diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/model/Reactions.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/model/Reactions.kt
deleted file mode 100644
index 11d95f7e..00000000
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/model/Reactions.kt
+++ /dev/null
@@ -1,28 +0,0 @@
-package dev.usbharu.hideout.core.application.model
-
-import dev.usbharu.hideout.core.domain.model.emoji.CustomEmoji
-import dev.usbharu.hideout.core.domain.model.reaction.Reaction
-import java.net.URI
-
-data class Reactions(
-    val postId: Long,
-    val count: Int,
-    val name: String,
-    val domain: String,
-    val url: URI?,
-    val actorIds: List<Long>,
-) {
-    companion object {
-        fun of(reactionList: List<Reaction>, customEmoji: CustomEmoji?): Reactions {
-            val first = reactionList.first()
-            return Reactions(
-                first.id.value,
-                reactionList.size,
-                customEmoji?.name ?: first.unicodeEmoji.name,
-                customEmoji?.domain?.domain ?: first.unicodeEmoji.domain.domain,
-                customEmoji?.url,
-                reactionList.map { it.actorId.id }
-            )
-        }
-    }
-}
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/post/GetPostDetailApplicationService.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/post/GetPostDetailApplicationService.kt
index 278c0afe..7eb38ed3 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/post/GetPostDetailApplicationService.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/post/GetPostDetailApplicationService.kt
@@ -9,10 +9,8 @@ import dev.usbharu.hideout.core.domain.model.media.Media
 import dev.usbharu.hideout.core.domain.model.media.MediaRepository
 import dev.usbharu.hideout.core.domain.model.post.PostId
 import dev.usbharu.hideout.core.domain.model.post.PostRepository
-import dev.usbharu.hideout.core.domain.model.reaction.ReactionRepository
 import dev.usbharu.hideout.core.domain.model.support.principal.Principal
 import dev.usbharu.hideout.core.domain.service.post.IPostReadAccessControl
-import dev.usbharu.hideout.core.query.reactions.ReactionsQueryService
 import org.slf4j.LoggerFactory
 import org.springframework.stereotype.Service
 
@@ -22,9 +20,7 @@ class GetPostDetailApplicationService(
     private val postRepository: PostRepository,
     private val actorRepository: ActorRepository,
     private val mediaRepository: MediaRepository,
-    private val iPostReadAccessControl: IPostReadAccessControl,
-    private val reactionsQueryService: ReactionsQueryService,
-    private val reactionRepository: ReactionRepository,
+    private val iPostReadAccessControl: IPostReadAccessControl
 ) : AbstractApplicationService<GetPostDetail, PostDetail>(
     transaction,
     logger
@@ -42,15 +38,6 @@ class GetPostDetailApplicationService(
 
         val mediaList = mediaRepository.findByIds(post.mediaIds)
 
-        val reactions = reactionsQueryService.findAllByPostId(post.id)
-
-        val favourited = reactionRepository.existsByPostIdAndActorIdAndCustomEmojiIdOrUnicodeEmoji(
-            post.id,
-            principal.actorId,
-            null,
-            "❤"
-        )
-
         return PostDetail.of(
             post = post,
             actor = actor,
@@ -59,8 +46,6 @@ class GetPostDetailApplicationService(
             reply = post.replyId?.let { fetchChild(it, actor, iconMedia, principal) },
             repost = post.repostId?.let { fetchChild(it, actor, iconMedia, principal) },
             moveTo = post.moveTo?.let { fetchChild(it, actor, iconMedia, principal) },
-            reactionsList = reactions,
-            favourited
         )
     }
 
@@ -84,12 +69,10 @@ class GetPostDetailApplicationService(
 
         val mediaList = mediaRepository.findByIds(post.mediaIds)
         return PostDetail.of(
-            post = post,
-            actor = first,
-            iconMedia = third,
-            mediaList = mediaList,
-            reactionsList = emptyList(),
-            favourited = false
+            post,
+            first,
+            third,
+            mediaList
         )
     }
 
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/post/PostDetail.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/post/PostDetail.kt
index 67dd9d96..567848df 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/post/PostDetail.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/post/PostDetail.kt
@@ -1,6 +1,5 @@
 package dev.usbharu.hideout.core.application.post
 
-import dev.usbharu.hideout.core.application.model.Reactions
 import dev.usbharu.hideout.core.domain.model.actor.Actor
 import dev.usbharu.hideout.core.domain.model.media.Media
 import dev.usbharu.hideout.core.domain.model.post.Post
@@ -24,9 +23,7 @@ data class PostDetail(
     val sensitive: Boolean,
     val deleted: Boolean,
     val mediaDetailList: List<MediaDetail>,
-    val moveTo: PostDetail?,
-    val reactionsList: List<Reactions>,
-    val favourited: Boolean
+    val moveTo: PostDetail?
 ) {
     companion object {
         @Suppress("LongParameterList")
@@ -38,8 +35,6 @@ data class PostDetail(
             reply: PostDetail? = null,
             repost: PostDetail? = null,
             moveTo: PostDetail? = null,
-            reactionsList: List<Reactions>,
-            favourited: Boolean
         ): PostDetail {
             return PostDetail(
                 id = post.id.id,
@@ -57,9 +52,7 @@ data class PostDetail(
                 sensitive = post.sensitive,
                 deleted = false,
                 mediaDetailList = mediaList.map { MediaDetail.of(it) },
-                moveTo = moveTo,
-                reactionsList = reactionsList,
-                favourited = favourited
+                moveTo = moveTo
             )
         }
     }
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/reaction/CreateReaction.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/reaction/CreateReaction.kt
deleted file mode 100644
index 7d6f171b..00000000
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/reaction/CreateReaction.kt
+++ /dev/null
@@ -1,3 +0,0 @@
-package dev.usbharu.hideout.core.application.reaction
-
-data class CreateReaction(val postId: Long, val customEmojiId: Long?, val unicodeEmoji: String)
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/reaction/RemoveReaction.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/reaction/RemoveReaction.kt
deleted file mode 100644
index 6a7dd7ff..00000000
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/reaction/RemoveReaction.kt
+++ /dev/null
@@ -1,7 +0,0 @@
-package dev.usbharu.hideout.core.application.reaction
-
-data class RemoveReaction(
-    val postId: Long,
-    val customEmojiId: Long?,
-    val unicodeEmoji: String
-)
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/reaction/UserCreateReactionApplicationService.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/reaction/UserCreateReactionApplicationService.kt
deleted file mode 100644
index f0a7f2dd..00000000
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/reaction/UserCreateReactionApplicationService.kt
+++ /dev/null
@@ -1,65 +0,0 @@
-package dev.usbharu.hideout.core.application.reaction
-
-import dev.usbharu.hideout.core.application.exception.PermissionDeniedException
-import dev.usbharu.hideout.core.application.shared.LocalUserAbstractApplicationService
-import dev.usbharu.hideout.core.application.shared.Transaction
-import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiRepository
-import dev.usbharu.hideout.core.domain.model.emoji.UnicodeEmoji
-import dev.usbharu.hideout.core.domain.model.post.PostId
-import dev.usbharu.hideout.core.domain.model.post.PostRepository
-import dev.usbharu.hideout.core.domain.model.reaction.Reaction
-import dev.usbharu.hideout.core.domain.model.reaction.ReactionId
-import dev.usbharu.hideout.core.domain.model.reaction.ReactionRepository
-import dev.usbharu.hideout.core.domain.model.support.principal.LocalUser
-import dev.usbharu.hideout.core.domain.service.emoji.UnicodeEmojiService
-import dev.usbharu.hideout.core.domain.service.post.IPostReadAccessControl
-import dev.usbharu.hideout.core.domain.shared.id.IdGenerateService
-import org.slf4j.LoggerFactory
-import org.springframework.stereotype.Service
-import java.time.Instant
-
-@Service
-class UserCreateReactionApplicationService(
-    transaction: Transaction,
-    private val idGenerateService: IdGenerateService,
-    private val reactionRepository: ReactionRepository,
-    private val postReadAccessControl: IPostReadAccessControl,
-    private val postRepository: PostRepository,
-    private val customEmojiRepository: CustomEmojiRepository,
-    private val unicodeEmojiService: UnicodeEmojiService
-) :
-    LocalUserAbstractApplicationService<CreateReaction, Unit>(
-        transaction,
-        logger
-    ) {
-    override suspend fun internalExecute(command: CreateReaction, principal: LocalUser) {
-        val postId = PostId(command.postId)
-        val post = postRepository.findById(postId) ?: throw IllegalArgumentException("Post $postId not found.")
-        if (postReadAccessControl.isAllow(post, principal).not()) {
-            throw PermissionDeniedException()
-        }
-
-        val customEmoji = command.customEmojiId?.let { customEmojiRepository.findById(it) }
-
-        val unicodeEmoji = if (unicodeEmojiService.isUnicodeEmoji(command.unicodeEmoji)) {
-            command.unicodeEmoji
-        } else {
-            "❤"
-        }
-
-        val reaction = Reaction.create(
-            id = ReactionId(idGenerateService.generateId()),
-            postId = postId,
-            actorId = principal.actorId,
-            customEmojiId = customEmoji?.id,
-            unicodeEmoji = UnicodeEmoji(unicodeEmoji),
-            createdAt = Instant.now()
-        )
-
-        reactionRepository.save(reaction)
-    }
-
-    companion object {
-        private val logger = LoggerFactory.getLogger(UserCreateReactionApplicationService::class.java)
-    }
-}
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/reaction/UserRemoveReactionApplicationService.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/reaction/UserRemoveReactionApplicationService.kt
deleted file mode 100644
index 4335ee63..00000000
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/reaction/UserRemoveReactionApplicationService.kt
+++ /dev/null
@@ -1,51 +0,0 @@
-package dev.usbharu.hideout.core.application.reaction
-
-import dev.usbharu.hideout.core.application.shared.LocalUserAbstractApplicationService
-import dev.usbharu.hideout.core.application.shared.Transaction
-import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiRepository
-import dev.usbharu.hideout.core.domain.model.post.PostId
-import dev.usbharu.hideout.core.domain.model.reaction.ReactionRepository
-import dev.usbharu.hideout.core.domain.model.support.principal.LocalUser
-import dev.usbharu.hideout.core.domain.service.emoji.UnicodeEmojiService
-import org.slf4j.LoggerFactory
-import org.springframework.stereotype.Service
-
-@Service
-class UserRemoveReactionApplicationService(
-    transaction: Transaction,
-    private val customEmojiRepository: CustomEmojiRepository,
-    private val reactionRepository: ReactionRepository,
-    private val unicodeEmojiService: UnicodeEmojiService
-) :
-    LocalUserAbstractApplicationService<RemoveReaction, Unit>(
-        transaction,
-        logger
-    ) {
-    override suspend fun internalExecute(command: RemoveReaction, principal: LocalUser) {
-        val postId = PostId(command.postId)
-
-        val customEmoji = command.customEmojiId?.let { customEmojiRepository.findById(it) }
-
-        val unicodeEmoji = if (unicodeEmojiService.isUnicodeEmoji(command.unicodeEmoji)) {
-            command.unicodeEmoji
-        } else {
-            "❤"
-        }
-        val reaction =
-            reactionRepository.findByPostIdAndActorIdAndCustomEmojiIdOrUnicodeEmoji(
-                postId,
-                principal.actorId,
-                customEmoji?.id,
-                unicodeEmoji
-            )
-                ?: throw IllegalArgumentException("Reaction $postId ${principal.actorId} ${customEmoji?.id} $unicodeEmoji not found.")
-
-        reaction.delete()
-
-        reactionRepository.delete(reaction)
-    }
-
-    companion object {
-        private val logger = LoggerFactory.getLogger(UserRemoveReactionApplicationService::class.java)
-    }
-}
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/timeline/ReadTimelineApplicationService.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/timeline/ReadTimelineApplicationService.kt
index 8b045657..9facf26c 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/timeline/ReadTimelineApplicationService.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/timeline/ReadTimelineApplicationService.kt
@@ -47,9 +47,7 @@ class ReadTimelineApplicationService(
                     it.replyPost,
                     it.replyPostActor!!,
                     it.replyPostActorIconMedia,
-                    it.replyPostMedias.orEmpty(),
-                    reactionsList = emptyList(),
-                    favourited = false,
+                    it.replyPostMedias.orEmpty()
                 )
             } else {
                 null
@@ -58,12 +56,10 @@ class ReadTimelineApplicationService(
             val repost = if (it.repostPost != null) {
                 @Suppress("UnsafeCallOnNullableType")
                 PostDetail.of(
-                    post = it.repostPost,
-                    actor = it.repostPostActor!!,
-                    iconMedia = it.repostPostActorIconMedia,
-                    mediaList = it.repostPostMedias.orEmpty(),
-                    reactionsList = emptyList(),
-                    favourited = false
+                    it.repostPost,
+                    it.repostPostActor!!,
+                    it.repostPostActorIconMedia,
+                    it.repostPostMedias.orEmpty()
                 )
             } else {
                 null
@@ -75,9 +71,7 @@ class ReadTimelineApplicationService(
                 iconMedia = it.postActorIconMedia,
                 mediaList = it.postMedias,
                 reply = reply,
-                repost = repost,
-                reactionsList = emptyList(),
-                favourited = it.favourited
+                repost = repost
             )
         }
 
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/event/reaction/ReactionEvent.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/event/reaction/ReactionEvent.kt
deleted file mode 100644
index 6da7a58c..00000000
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/event/reaction/ReactionEvent.kt
+++ /dev/null
@@ -1,22 +0,0 @@
-package dev.usbharu.hideout.core.domain.event.reaction
-
-import dev.usbharu.hideout.core.domain.model.reaction.Reaction
-import dev.usbharu.hideout.core.domain.model.reaction.ReactionId
-import dev.usbharu.hideout.core.domain.shared.domainevent.DomainEvent
-import dev.usbharu.hideout.core.domain.shared.domainevent.DomainEventBody
-
-class ReactionEventFactory(private val reaction: Reaction) {
-    fun createEvent(reactionEvent: ReactionEvent): DomainEvent<ReactionEventBody> =
-        DomainEvent.create(reactionEvent.eventName, ReactionEventBody(reaction))
-}
-
-class ReactionEventBody(
-    reaction: Reaction
-) : DomainEventBody(mapOf("reactionId" to reaction.id)) {
-    fun getReactionId(): ReactionId = toMap()["reactionId"] as ReactionId
-}
-
-enum class ReactionEvent(val eventName: String) {
-    CREATE("ReactionCreate"),
-    DELETE("ReactionDelete"),
-}
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/Actor.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/Actor.kt
index 8fd41710..3b282c34 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/Actor.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/Actor.kt
@@ -18,7 +18,7 @@ package dev.usbharu.hideout.core.domain.model.actor
 
 import dev.usbharu.hideout.core.domain.event.actor.ActorDomainEventFactory
 import dev.usbharu.hideout.core.domain.event.actor.ActorEvent.*
-import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
+import dev.usbharu.hideout.core.domain.model.emoji.EmojiId
 import dev.usbharu.hideout.core.domain.model.instance.InstanceId
 import dev.usbharu.hideout.core.domain.model.media.MediaId
 import dev.usbharu.hideout.core.domain.model.support.domain.Domain
@@ -52,7 +52,7 @@ class Actor(
     var lastUpdateAt: Instant = createdAt,
     alsoKnownAs: Set<ActorId> = emptySet(),
     moveTo: ActorId? = null,
-    emojiIds: Set<CustomEmojiId>,
+    emojiIds: Set<EmojiId>,
     deleted: Boolean,
     icon: MediaId?,
     banner: MediaId?,
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/emoji/CustomEmoji.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/emoji/CustomEmoji.kt
index b80d06cf..e0e29b17 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/emoji/CustomEmoji.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/emoji/CustomEmoji.kt
@@ -36,7 +36,7 @@ sealed class Emoji {
 }
 
 data class CustomEmoji(
-    val id: CustomEmojiId,
+    val id: EmojiId,
     override val name: String,
     override val domain: Domain,
     val instanceId: InstanceId,
@@ -50,10 +50,6 @@ data class CustomEmoji(
 data class UnicodeEmoji(
     override val name: String
 ) : Emoji() {
-    override val domain: Domain = Companion.domain
+    override val domain: Domain = Domain("unicode.org")
     override fun id(): String = name
-
-    companion object {
-        val domain = Domain("unicode.org")
-    }
 }
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/emoji/CustomEmojiId.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/emoji/EmojiId.kt
similarity index 93%
rename from hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/emoji/CustomEmojiId.kt
rename to hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/emoji/EmojiId.kt
index 6ad2ec03..5cf4284d 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/emoji/CustomEmojiId.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/emoji/EmojiId.kt
@@ -17,7 +17,7 @@
 package dev.usbharu.hideout.core.domain.model.emoji
 
 @JvmInline
-value class CustomEmojiId(val emojiId: Long) {
+value class EmojiId(val emojiId: Long) {
     init {
         require(0 <= emojiId)
     }
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/post/Post.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/post/Post.kt
index db5f2732..b953bd8e 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/post/Post.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/post/Post.kt
@@ -20,7 +20,7 @@ import dev.usbharu.hideout.core.domain.event.post.PostDomainEventFactory
 import dev.usbharu.hideout.core.domain.event.post.PostEvent
 import dev.usbharu.hideout.core.domain.model.actor.Actor
 import dev.usbharu.hideout.core.domain.model.actor.ActorId
-import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
+import dev.usbharu.hideout.core.domain.model.emoji.EmojiId
 import dev.usbharu.hideout.core.domain.model.instance.InstanceId
 import dev.usbharu.hideout.core.domain.model.media.MediaId
 import dev.usbharu.hideout.core.domain.shared.domainevent.DomainEventStorable
@@ -138,7 +138,7 @@ class Post(
             return content.text
         }
 
-    val emojiIds: List<CustomEmojiId>
+    val emojiIds: List<EmojiId>
         get() {
             if (hide) {
                 return PostContent.empty.emojiIds
@@ -217,7 +217,7 @@ class Post(
 
     override fun hashCode(): Int = id.hashCode()
 
-    fun reconstructWith(mediaIds: List<MediaId>, emojis: List<CustomEmojiId>, visibleActors: Set<ActorId>): Post {
+    fun reconstructWith(mediaIds: List<MediaId>, emojis: List<EmojiId>, visibleActors: Set<ActorId>): Post {
         return Post(
             id = id,
             actorId = actorId,
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/post/PostContent.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/post/PostContent.kt
index 9f6b2db7..2d787e75 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/post/PostContent.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/post/PostContent.kt
@@ -16,9 +16,9 @@
 
 package dev.usbharu.hideout.core.domain.model.post
 
-import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
+import dev.usbharu.hideout.core.domain.model.emoji.EmojiId
 
-data class PostContent(val text: String, val content: String, val emojiIds: List<CustomEmojiId>) {
+data class PostContent(val text: String, val content: String, val emojiIds: List<EmojiId>) {
 
     companion object {
         val empty = PostContent("", "", emptyList())
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/reaction/Reaction.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/reaction/Reaction.kt
deleted file mode 100644
index c85c061d..00000000
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/reaction/Reaction.kt
+++ /dev/null
@@ -1,57 +0,0 @@
-package dev.usbharu.hideout.core.domain.model.reaction
-
-import dev.usbharu.hideout.core.domain.event.reaction.ReactionEvent
-import dev.usbharu.hideout.core.domain.event.reaction.ReactionEventFactory
-import dev.usbharu.hideout.core.domain.model.actor.ActorId
-import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
-import dev.usbharu.hideout.core.domain.model.emoji.UnicodeEmoji
-import dev.usbharu.hideout.core.domain.model.post.PostId
-import dev.usbharu.hideout.core.domain.shared.domainevent.DomainEventStorable
-import java.time.Instant
-
-class Reaction(
-    val id: ReactionId,
-    val postId: PostId,
-    val actorId: ActorId,
-    val customEmojiId: CustomEmojiId?,
-    val unicodeEmoji: UnicodeEmoji,
-    val createdAt: Instant
-) : DomainEventStorable() {
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as Reaction
-
-        return id == other.id
-    }
-
-    override fun hashCode(): Int {
-        return id.hashCode()
-    }
-
-    fun delete() {
-        addDomainEvent(ReactionEventFactory(this).createEvent(ReactionEvent.DELETE))
-    }
-
-    companion object {
-        fun create(
-            id: ReactionId,
-            postId: PostId,
-            actorId: ActorId,
-            customEmojiId: CustomEmojiId?,
-            unicodeEmoji: UnicodeEmoji,
-            createdAt: Instant
-        ): Reaction {
-            return Reaction(
-                id,
-                postId,
-                actorId,
-                customEmojiId,
-                unicodeEmoji,
-                createdAt
-            ).apply { addDomainEvent(ReactionEventFactory(this).createEvent(ReactionEvent.CREATE)) }
-        }
-    }
-}
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/reaction/ReactionId.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/reaction/ReactionId.kt
deleted file mode 100644
index 948fb1ea..00000000
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/reaction/ReactionId.kt
+++ /dev/null
@@ -1,4 +0,0 @@
-package dev.usbharu.hideout.core.domain.model.reaction
-
-@JvmInline
-value class ReactionId(val value: Long)
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/reaction/ReactionRepository.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/reaction/ReactionRepository.kt
deleted file mode 100644
index 01e893a7..00000000
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/reaction/ReactionRepository.kt
+++ /dev/null
@@ -1,26 +0,0 @@
-package dev.usbharu.hideout.core.domain.model.reaction
-
-import dev.usbharu.hideout.core.domain.model.actor.ActorId
-import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
-import dev.usbharu.hideout.core.domain.model.post.PostId
-
-interface ReactionRepository {
-    suspend fun save(reaction: Reaction): Reaction
-    suspend fun findById(reactionId: ReactionId): Reaction?
-    suspend fun findByPostId(postId: PostId): List<Reaction>
-    suspend fun existsByPostIdAndActorIdAndCustomEmojiIdOrUnicodeEmoji(
-        postId: PostId,
-        actorId: ActorId,
-        customEmojiId: CustomEmojiId?,
-        unicodeEmoji: String
-    ): Boolean
-
-    suspend fun findByPostIdAndActorIdAndCustomEmojiIdOrUnicodeEmoji(
-        postId: PostId,
-        actorId: ActorId,
-        customEmojiId: CustomEmojiId?,
-        unicodeEmoji: String
-    ): Reaction?
-
-    suspend fun delete(reaction: Reaction)
-}
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/support/timelineobjectdetail/TimelineObjectDetail.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/support/timelineobjectdetail/TimelineObjectDetail.kt
index 43b0fa9f..830612dc 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/support/timelineobjectdetail/TimelineObjectDetail.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/support/timelineobjectdetail/TimelineObjectDetail.kt
@@ -1,6 +1,5 @@
 package dev.usbharu.hideout.core.domain.model.support.timelineobjectdetail
 
-import dev.usbharu.hideout.core.application.model.Reactions
 import dev.usbharu.hideout.core.domain.model.actor.Actor
 import dev.usbharu.hideout.core.domain.model.media.Media
 import dev.usbharu.hideout.core.domain.model.post.Post
@@ -30,9 +29,7 @@ data class TimelineObjectDetail(
     val isPureRepost: Boolean,
     val lastUpdateAt: Instant,
     val hasMediaInRepost: Boolean,
-    val warnFilter: List<TimelineObjectWarnFilter>,
-    val reactionsList: List<Reactions>,
-    val favourited: Boolean
+    val warnFilter: List<TimelineObjectWarnFilter>
 ) {
     companion object {
         @Suppress("LongParameterList")
@@ -51,9 +48,7 @@ data class TimelineObjectDetail(
             repostPostMedias: List<Media>?,
             repostPostActor: Actor?,
             repostPostActorIconMedia: Media?,
-            warnFilter: List<TimelineObjectWarnFilter>,
-            reactionsList: List<Reactions>,
-            favourited: Boolean
+            warnFilter: List<TimelineObjectWarnFilter>
         ): TimelineObjectDetail {
             return TimelineObjectDetail(
                 id = timelineObject.id,
@@ -74,9 +69,7 @@ data class TimelineObjectDetail(
                 isPureRepost = timelineObject.isPureRepost,
                 lastUpdateAt = timelineObject.lastUpdatedAt,
                 hasMediaInRepost = timelineObject.hasMediaInRepost,
-                warnFilter = warnFilter,
-                reactionsList = reactionsList,
-                favourited = favourited
+                warnFilter = warnFilter
             )
         }
     }
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/timelineobject/TimelineObject.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/timelineobject/TimelineObject.kt
index f7f57f22..bdce1a0d 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/timelineobject/TimelineObject.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/timelineobject/TimelineObject.kt
@@ -1,7 +1,7 @@
 package dev.usbharu.hideout.core.domain.model.timelineobject
 
 import dev.usbharu.hideout.core.domain.model.actor.ActorId
-import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
+import dev.usbharu.hideout.core.domain.model.emoji.EmojiId
 import dev.usbharu.hideout.core.domain.model.filter.FilterResult
 import dev.usbharu.hideout.core.domain.model.media.MediaId
 import dev.usbharu.hideout.core.domain.model.post.Post
@@ -28,12 +28,12 @@ class TimelineObject(
     visibility: Visibility,
     isPureRepost: Boolean,
     mediaIds: List<MediaId>,
-    emojiIds: List<CustomEmojiId>,
+    emojiIds: List<EmojiId>,
     visibleActors: List<ActorId>,
     hasMediaInRepost: Boolean,
     lastUpdatedAt: Instant,
     var warnFilters: List<TimelineObjectWarnFilter>,
-    var favourited: Boolean
+
 ) {
     var isPureRepost = isPureRepost
         private set
@@ -82,8 +82,7 @@ class TimelineObject(
             timeline: Timeline,
             post: Post,
             replyActorId: ActorId?,
-            filterResults: List<FilterResult>,
-            favourited: Boolean
+            filterResults: List<FilterResult>
         ): TimelineObject {
             return TimelineObject(
                 id = timelineObjectId,
@@ -103,8 +102,7 @@ class TimelineObject(
                 visibleActors = post.visibleActors.toList(),
                 hasMediaInRepost = false,
                 lastUpdatedAt = Instant.now(),
-                warnFilters = filterResults.map { TimelineObjectWarnFilter(it.filter.id, it.matchedKeyword) },
-                favourited = favourited
+                warnFilters = filterResults.map { TimelineObjectWarnFilter(it.filter.id, it.matchedKeyword) }
             )
         }
 
@@ -115,8 +113,7 @@ class TimelineObject(
             post: Post,
             replyActorId: ActorId?,
             repost: Post,
-            filterResults: List<FilterResult>,
-            favourited: Boolean
+            filterResults: List<FilterResult>
         ): TimelineObject {
             require(post.repostId == repost.id)
 
@@ -141,8 +138,7 @@ class TimelineObject(
                 visibleActors = post.visibleActors.toList(),
                 hasMediaInRepost = repost.mediaIds.isNotEmpty(),
                 lastUpdatedAt = Instant.now(),
-                warnFilters = filterResults.map { TimelineObjectWarnFilter(it.filter.id, it.matchedKeyword) },
-                favourited = favourited
+                warnFilters = filterResults.map { TimelineObjectWarnFilter(it.filter.id, it.matchedKeyword) }
             )
         }
     }
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/service/emoji/UnicodeEmojiService.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/service/emoji/UnicodeEmojiService.kt
deleted file mode 100644
index 35a44ca5..00000000
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/service/emoji/UnicodeEmojiService.kt
+++ /dev/null
@@ -1,5 +0,0 @@
-package dev.usbharu.hideout.core.domain.service.emoji
-
-interface UnicodeEmojiService {
-    fun isUnicodeEmoji(emoji: String): Boolean
-}
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/emojikt/EmojiKtUnicodeEmojiService.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/emojikt/EmojiKtUnicodeEmojiService.kt
deleted file mode 100644
index 3e0fdc43..00000000
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/emojikt/EmojiKtUnicodeEmojiService.kt
+++ /dev/null
@@ -1,12 +0,0 @@
-package dev.usbharu.hideout.core.infrastructure.emojikt
-
-import Emojis
-import dev.usbharu.hideout.core.domain.service.emoji.UnicodeEmojiService
-import org.springframework.stereotype.Service
-
-@Service
-class EmojiKtUnicodeEmojiService : UnicodeEmojiService {
-    override fun isUnicodeEmoji(emoji: String): Boolean {
-        return Emojis.allEmojis.singleOrNull { it.char == emoji } != null
-    }
-}
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposed/ActorResultRowMapper.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposed/ActorResultRowMapper.kt
index c552c541..59cb72fc 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposed/ActorResultRowMapper.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposed/ActorResultRowMapper.kt
@@ -17,7 +17,7 @@
 package dev.usbharu.hideout.core.infrastructure.exposed
 
 import dev.usbharu.hideout.core.domain.model.actor.*
-import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
+import dev.usbharu.hideout.core.domain.model.emoji.EmojiId
 import dev.usbharu.hideout.core.domain.model.instance.InstanceId
 import dev.usbharu.hideout.core.domain.model.media.MediaId
 import dev.usbharu.hideout.core.domain.model.support.domain.Domain
@@ -57,7 +57,7 @@ class ActorResultRowMapper : ResultRowMapper<Actor> {
             emojiIds = resultRow[Actors.emojis]
                 .split(",")
                 .filter { it.isNotEmpty() }
-                .map { CustomEmojiId(it.toLong()) }
+                .map { EmojiId(it.toLong()) }
                 .toSet(),
             deleted = resultRow[Actors.deleted],
             icon = resultRow[Actors.icon]?.let { MediaId(it) },
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposed/PostQueryMapper.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposed/PostQueryMapper.kt
index 139bd86c..653533ed 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposed/PostQueryMapper.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposed/PostQueryMapper.kt
@@ -17,7 +17,7 @@
 package dev.usbharu.hideout.core.infrastructure.exposed
 
 import dev.usbharu.hideout.core.domain.model.actor.ActorId
-import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
+import dev.usbharu.hideout.core.domain.model.emoji.EmojiId
 import dev.usbharu.hideout.core.domain.model.media.MediaId
 import dev.usbharu.hideout.core.domain.model.post.Post
 import dev.usbharu.hideout.core.infrastructure.exposedrepository.Posts
@@ -55,7 +55,7 @@ class PostQueryMapper(private val postResultRowMapper: ResultRowMapper<Post>) :
                 .mapNotNull { resultRow: ResultRow ->
                     resultRow
                         .getOrNull(PostsEmojis.emojiId)
-                        ?.let { emojiId -> CustomEmojiId(emojiId) }
+                        ?.let { emojiId -> EmojiId(emojiId) }
                 },
             visibleActors = it.mapNotNull { resultRow: ResultRow ->
                 resultRow
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedquery/ExposedReactionsQueryService.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedquery/ExposedReactionsQueryService.kt
deleted file mode 100644
index d22184e7..00000000
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedquery/ExposedReactionsQueryService.kt
+++ /dev/null
@@ -1,73 +0,0 @@
-package dev.usbharu.hideout.core.infrastructure.exposedquery
-
-import dev.usbharu.hideout.core.application.model.Reactions
-import dev.usbharu.hideout.core.domain.model.emoji.UnicodeEmoji
-import dev.usbharu.hideout.core.domain.model.post.PostId
-import dev.usbharu.hideout.core.infrastructure.exposedrepository.AbstractRepository
-import dev.usbharu.hideout.core.infrastructure.exposedrepository.CustomEmojis
-import dev.usbharu.hideout.core.infrastructure.exposedrepository.toCustomEmojiOrNull
-import dev.usbharu.hideout.core.infrastructure.exposedrepository.toReaction
-import dev.usbharu.hideout.core.query.reactions.ReactionsQueryService
-import org.jetbrains.exposed.sql.*
-import org.slf4j.Logger
-import org.slf4j.LoggerFactory
-import org.springframework.stereotype.Repository
-import java.net.URI
-import dev.usbharu.hideout.core.infrastructure.exposedrepository.Reactions as ExposedrepositoryReactions
-
-@Repository
-class ExposedReactionsQueryService : ReactionsQueryService, AbstractRepository() {
-    override suspend fun findAllByPostId(postId: PostId): List<Reactions> {
-        return query {
-            ExposedrepositoryReactions.leftJoin(CustomEmojis).selectAll()
-                .where { ExposedrepositoryReactions.postId eq postId.id }
-                .groupBy {
-                    it[ExposedrepositoryReactions.customEmojiId]?.toString()
-                        ?: it[ExposedrepositoryReactions.unicodeEmoji]
-                }
-                .map { it.value }
-                .map {
-                    Reactions.of(
-                        it.map { resultRow -> resultRow.toReaction() },
-                        it.first().toCustomEmojiOrNull()
-                    )
-                }
-        }
-    }
-
-    override suspend fun findAllByPostIdIn(postIds: List<PostId>): List<Reactions> {
-        return query {
-            val actorIdsQuery =
-                ExposedrepositoryReactions.actorId.castTo<String>(VarCharColumnType()).groupConcat(",", true)
-
-            ExposedrepositoryReactions.leftJoin(CustomEmojis)
-                .select(
-                    ExposedrepositoryReactions.postId,
-                    ExposedrepositoryReactions.postId.count(),
-                    ExposedrepositoryReactions.customEmojiId.max(),
-                    ExposedrepositoryReactions.unicodeEmoji.max<String, String>(),
-                    actorIdsQuery
-                )
-                .where { ExposedrepositoryReactions.postId inList postIds.map { it.id } }
-                .groupBy(ExposedrepositoryReactions.postId)
-                .map {
-                    Reactions(
-                        it[ExposedrepositoryReactions.postId],
-                        it[ExposedrepositoryReactions.postId.count()].toInt(),
-                        it.getOrNull(CustomEmojis.name)
-                            ?: it[ExposedrepositoryReactions.unicodeEmoji.max<String, String>()]!!,
-                        it.getOrNull(CustomEmojis.domain) ?: UnicodeEmoji.domain.domain,
-                        it.getOrNull(CustomEmojis.url)?.let { it1 -> URI.create(it1) },
-                        it[actorIdsQuery].split(",").mapNotNull { it.toLongOrNull() }
-                    )
-                }
-        }
-    }
-
-    override val logger: Logger
-        get() = Companion.logger
-
-    companion object {
-        private val logger = LoggerFactory.getLogger(ExposedReactionsQueryService::class.java)
-    }
-}
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedquery/ExposedUserTimelineQueryService.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedquery/ExposedUserTimelineQueryService.kt
index db3fb0f2..82be6f96 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedquery/ExposedUserTimelineQueryService.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedquery/ExposedUserTimelineQueryService.kt
@@ -61,12 +61,6 @@ class ExposedUserTimelineQueryService : UserTimelineQueryService, AbstractReposi
             .leftJoin(iconMedia, { Actors.icon }, { iconMedia[Media.id] })
             .leftJoin(PostsMedia, { authorizedQuery[Posts.id] }, { PostsMedia.postId })
             .leftJoin(Media, { PostsMedia.mediaId }, { Media.id })
-            .leftJoin(
-                Reactions,
-                { authorizedQuery[Posts.id] },
-                { Reactions.postId },
-                { Reactions.id isDistinctFrom principal.actorId.id }
-            )
             .selectAll()
             .where { authorizedQuery[Posts.id] inList idList.map { it.id } }
             .groupBy { it[authorizedQuery[Posts.id]] }
@@ -75,8 +69,7 @@ class ExposedUserTimelineQueryService : UserTimelineQueryService, AbstractReposi
                 toPostDetail(it.first(), authorizedQuery, iconMedia).copy(
                     mediaDetailList = it.mapNotNull { resultRow ->
                         resultRow.toMediaOrNull()?.let { it1 -> MediaDetail.of(it1) }
-                    },
-                    favourited = it.any { it.getOrNull(Reactions.actorId) != null }
+                    }
                 )
             }
     }
@@ -107,9 +100,7 @@ class ExposedUserTimelineQueryService : UserTimelineQueryService, AbstractReposi
             sensitive = it[authorizedQuery[Posts.sensitive]],
             deleted = it[authorizedQuery[Posts.deleted]],
             mediaDetailList = emptyList(),
-            moveTo = null,
-            emptyList(),
-            favourited = false
+            moveTo = null
         )
     }
 
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/CustomEmojiRepositoryImpl.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/CustomEmojiRepositoryImpl.kt
index e3ca9079..c095ae55 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/CustomEmojiRepositoryImpl.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/CustomEmojiRepositoryImpl.kt
@@ -17,8 +17,8 @@
 package dev.usbharu.hideout.core.infrastructure.exposedrepository
 
 import dev.usbharu.hideout.core.domain.model.emoji.CustomEmoji
-import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
 import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiRepository
+import dev.usbharu.hideout.core.domain.model.emoji.EmojiId
 import dev.usbharu.hideout.core.domain.model.instance.InstanceId
 import dev.usbharu.hideout.core.domain.model.support.domain.Domain
 import org.jetbrains.exposed.sql.*
@@ -81,7 +81,7 @@ class CustomEmojiRepositoryImpl : CustomEmojiRepository,
 }
 
 fun ResultRow.toCustomEmoji(): CustomEmoji = CustomEmoji(
-    id = CustomEmojiId(this[CustomEmojis.id]),
+    id = EmojiId(this[CustomEmojis.id]),
     name = this[CustomEmojis.name],
     domain = Domain(this[CustomEmojis.domain]),
     instanceId = InstanceId(this[CustomEmojis.instanceId]),
@@ -92,7 +92,7 @@ fun ResultRow.toCustomEmoji(): CustomEmoji = CustomEmoji(
 
 fun ResultRow.toCustomEmojiOrNull(): CustomEmoji? {
     return CustomEmoji(
-        id = CustomEmojiId(this.getOrNull(CustomEmojis.id) ?: return null),
+        id = EmojiId(this.getOrNull(CustomEmojis.id) ?: return null),
         name = this.getOrNull(CustomEmojis.name) ?: return null,
         domain = Domain(this.getOrNull(CustomEmojis.domain) ?: return null),
         instanceId = InstanceId(this.getOrNull(CustomEmojis.instanceId) ?: return null),
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ExposedPostRepository.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ExposedPostRepository.kt
index 37a476b1..9408d01a 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ExposedPostRepository.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ExposedPostRepository.kt
@@ -168,7 +168,7 @@ class ExposedPostRepository(
                 Posts.id eq id.id
             }
             .let(postQueryMapper::map)
-            .firstOrNull()
+            .first()
     }
 
     override suspend fun findAllById(ids: List<PostId>): List<Post> {
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ExposedReactionRepository.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ExposedReactionRepository.kt
deleted file mode 100644
index d44bca1f..00000000
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ExposedReactionRepository.kt
+++ /dev/null
@@ -1,128 +0,0 @@
-package dev.usbharu.hideout.core.infrastructure.exposedrepository
-
-import dev.usbharu.hideout.core.domain.model.actor.ActorId
-import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
-import dev.usbharu.hideout.core.domain.model.emoji.UnicodeEmoji
-import dev.usbharu.hideout.core.domain.model.post.PostId
-import dev.usbharu.hideout.core.domain.model.reaction.Reaction
-import dev.usbharu.hideout.core.domain.model.reaction.ReactionId
-import dev.usbharu.hideout.core.domain.model.reaction.ReactionRepository
-import dev.usbharu.hideout.core.domain.shared.domainevent.DomainEventPublisher
-import dev.usbharu.hideout.core.domain.shared.repository.DomainEventPublishableRepository
-import org.jetbrains.exposed.sql.*
-import org.jetbrains.exposed.sql.SqlExpressionBuilder.eq
-import org.jetbrains.exposed.sql.javatime.timestamp
-import org.slf4j.Logger
-import org.slf4j.LoggerFactory
-import org.springframework.stereotype.Repository
-
-@Repository
-class ExposedReactionRepository(override val domainEventPublisher: DomainEventPublisher) :
-    ReactionRepository,
-    AbstractRepository(),
-    DomainEventPublishableRepository<Reaction> {
-
-    override val logger: Logger
-        get() = Companion.logger
-
-    override suspend fun save(reaction: Reaction): Reaction {
-        return query {
-            Reactions.upsert {
-                it[Reactions.id] = reaction.id.value
-                it[Reactions.postId] = reaction.postId.id
-                it[Reactions.actorId] = reaction.actorId.id
-                it[Reactions.customEmojiId] = reaction.customEmojiId?.emojiId
-                it[Reactions.unicodeEmoji] = reaction.unicodeEmoji.name
-                it[Reactions.createdAt] = reaction.createdAt
-            }
-            onComplete {
-                update(reaction)
-            }
-            reaction
-        }
-    }
-
-    override suspend fun findById(reactionId: ReactionId): Reaction? {
-        return query {
-            Reactions.selectAll().where {
-                Reactions.id eq reactionId.value
-            }.singleOrNull()?.toReaction()
-        }
-    }
-
-    override suspend fun findByPostId(postId: PostId): List<Reaction> {
-        return query {
-            Reactions.selectAll().where {
-                Reactions.postId eq postId.id
-            }.map { it.toReaction() }
-        }
-    }
-
-    override suspend fun existsByPostIdAndActorIdAndCustomEmojiIdOrUnicodeEmoji(
-        postId: PostId,
-        actorId: ActorId,
-        customEmojiId: CustomEmojiId?,
-        unicodeEmoji: String
-    ): Boolean {
-        return query {
-            Reactions.selectAll().where {
-                Reactions.postId.eq(postId.id).and(Reactions.actorId eq actorId.id)
-                    .and(
-                        (Reactions.customEmojiId eq customEmojiId?.emojiId or (Reactions.unicodeEmoji eq unicodeEmoji))
-                    )
-            }.empty().not()
-        }
-    }
-
-    override suspend fun delete(reaction: Reaction) {
-        return query {
-            Reactions.deleteWhere {
-                Reactions.id eq reaction.id.value
-            }
-            onComplete {
-                update(reaction)
-            }
-        }
-    }
-
-    override suspend fun findByPostIdAndActorIdAndCustomEmojiIdOrUnicodeEmoji(
-        postId: PostId,
-        actorId: ActorId,
-        customEmojiId: CustomEmojiId?,
-        unicodeEmoji: String
-    ): Reaction? {
-        return query {
-            Reactions.selectAll().where {
-                Reactions.postId.eq(postId.id).and(Reactions.actorId eq actorId.id)
-                    .and(
-                        (Reactions.customEmojiId eq customEmojiId?.emojiId or (Reactions.unicodeEmoji eq unicodeEmoji))
-                    )
-            }.limit(1).singleOrNull()?.toReaction()
-        }
-    }
-
-    companion object {
-        private val logger = LoggerFactory.getLogger(ExposedReactionRepository::class.java)
-    }
-}
-
-fun ResultRow.toReaction(): Reaction {
-    return Reaction(
-        ReactionId(this[Reactions.id]),
-        PostId(this[Reactions.postId]),
-        ActorId(this[Reactions.actorId]),
-        this[Reactions.customEmojiId]?.let { CustomEmojiId(it) },
-        UnicodeEmoji(this[Reactions.unicodeEmoji]),
-        this[Reactions.createdAt]
-    )
-}
-
-object Reactions : Table("reactions") {
-    val id = long("id")
-    val postId = long("post_id").references(Posts.id)
-    val actorId = long("actor_id").references(Actors.id)
-    val customEmojiId = long("custom_emoji_id").references(CustomEmojis.id).nullable()
-    val unicodeEmoji = varchar("unicode_emoji", 100)
-    val createdAt = timestamp("created_at")
-    override val primaryKey: PrimaryKey = PrimaryKey(id)
-}
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/mongorepository/MongoInternalTimelineObjectRepository.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/mongorepository/MongoInternalTimelineObjectRepository.kt
index 2e66bbbd..1e476d0c 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/mongorepository/MongoInternalTimelineObjectRepository.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/mongorepository/MongoInternalTimelineObjectRepository.kt
@@ -1,7 +1,7 @@
 package dev.usbharu.hideout.core.infrastructure.mongorepository
 
 import dev.usbharu.hideout.core.domain.model.actor.ActorId
-import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
+import dev.usbharu.hideout.core.domain.model.emoji.EmojiId
 import dev.usbharu.hideout.core.domain.model.filter.FilterId
 import dev.usbharu.hideout.core.domain.model.media.MediaId
 import dev.usbharu.hideout.core.domain.model.post.PostId
@@ -133,8 +133,7 @@ data class SpringDataMongoTimelineObject(
     val visibleActors: List<Long>,
     val hasMediaInRepost: Boolean,
     val lastUpdatedAt: Long,
-    val warnFilters: List<SpringDataMongoTimelineObjectWarnFilter>,
-    val favourited: Boolean
+    val warnFilters: List<SpringDataMongoTimelineObjectWarnFilter>
 ) {
 
     fun toTimelineObject(): TimelineObject {
@@ -152,12 +151,11 @@ data class SpringDataMongoTimelineObject(
             visibility = visibility,
             isPureRepost = isPureRepost,
             mediaIds = mediaIds.map { MediaId(it) },
-            emojiIds = emojiIds.map { CustomEmojiId(it) },
+            emojiIds = emojiIds.map { EmojiId(it) },
             visibleActors = visibleActors.map { ActorId(it) },
             hasMediaInRepost = hasMediaInRepost,
             lastUpdatedAt = Instant.ofEpochSecond(lastUpdatedAt),
-            warnFilters = warnFilters.map { it.toTimelineObjectWarnFilter() },
-            favourited = favourited
+            warnFilters = warnFilters.map { it.toTimelineObjectWarnFilter() }
         )
     }
 
@@ -181,8 +179,7 @@ data class SpringDataMongoTimelineObject(
                 visibleActors = timelineObject.visibleActors.map { it.id },
                 hasMediaInRepost = timelineObject.hasMediaInRepost,
                 lastUpdatedAt = timelineObject.lastUpdatedAt.epochSecond,
-                warnFilters = timelineObject.warnFilters.map { SpringDataMongoTimelineObjectWarnFilter.of(it) },
-                favourited = timelineObject.favourited
+                warnFilters = timelineObject.warnFilters.map { SpringDataMongoTimelineObjectWarnFilter.of(it) }
             )
         }
     }
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/springframework/SPAInterceptor.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/springframework/SPAInterceptor.kt
index b3d9a394..b3a6eeb0 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/springframework/SPAInterceptor.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/springframework/SPAInterceptor.kt
@@ -29,7 +29,7 @@ class SPAInterceptor : HandlerInterceptor {
             return
         }
 
-        if (request.getSession(false)?.getAttribute("s") == "f") {
+        if (request.session.getAttribute("s") == "f") {
             return
         }
 
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/timeline/AbstractTimelineStore.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/timeline/AbstractTimelineStore.kt
index b22d0121..50801dc2 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/timeline/AbstractTimelineStore.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/timeline/AbstractTimelineStore.kt
@@ -1,6 +1,5 @@
 package dev.usbharu.hideout.core.infrastructure.timeline
 
-import dev.usbharu.hideout.core.application.model.Reactions
 import dev.usbharu.hideout.core.domain.model.actor.Actor
 import dev.usbharu.hideout.core.domain.model.actor.ActorId
 import dev.usbharu.hideout.core.domain.model.filter.Filter
@@ -76,8 +75,7 @@ abstract class AbstractTimelineStore(private val idGenerateService: IdGenerateSe
                 post = post,
                 replyActorId = replyActorId,
                 repost = repost,
-                filterResults = applyFilters.filterResults,
-                favourited = false
+                filterResults = applyFilters.filterResults
             )
         }
 
@@ -86,8 +84,7 @@ abstract class AbstractTimelineStore(private val idGenerateService: IdGenerateSe
             timeline = timeline,
             post = post,
             replyActorId = replyActorId,
-            filterResults = applyFilters.filterResults,
-            favourited = false
+            filterResults = applyFilters.filterResults
         )
     }
 
@@ -259,8 +256,6 @@ abstract class AbstractTimelineStore(private val idGenerateService: IdGenerateSe
                 actors.mapNotNull { it.value.icon }
         )
 
-        val reactions = getReactions(posts.map { it.id })
-
         return PaginationList(
             timelineObjectList.mapNotNull<TimelineObject, TimelineObjectDetail> {
                 val timelineUserDetail = userDetails[it.userDetailId] ?: return@mapNotNull null
@@ -273,7 +268,6 @@ abstract class AbstractTimelineStore(private val idGenerateService: IdGenerateSe
                 val repost = postMap[it.repostId]
                 val repostMedias = repost?.post?.mediaIds?.mapNotNull { mediaId -> mediaMap[mediaId] }
                 val repostActor = actors[it.repostActorId]
-                val reactionsList = reactions[it.postId].orEmpty()
                 TimelineObjectDetail.of(
                     timelineObject = it,
                     timelineUserDetail = timelineUserDetail,
@@ -294,9 +288,7 @@ abstract class AbstractTimelineStore(private val idGenerateService: IdGenerateSe
                             filterResult.filter.id,
                             filterResult.matchedKeyword
                         )
-                    },
-                    reactionsList = reactionsList,
-                    favourited = it.favourited
+                    }
                 )
             },
             timelineObjectList.lastOrNull()?.postId,
@@ -308,7 +300,5 @@ abstract class AbstractTimelineStore(private val idGenerateService: IdGenerateSe
 
     protected abstract suspend fun getMedias(mediaIds: List<MediaId>): Map<MediaId, Media>
 
-    protected abstract suspend fun getReactions(postIds: List<PostId>): Map<PostId, List<Reactions>>
-
     protected abstract suspend fun getUserDetails(userDetailIdList: List<UserDetailId>): Map<UserDetailId, UserDetail>
 }
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/timeline/DefaultTimelineStore.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/timeline/DefaultTimelineStore.kt
index 7426d1b6..36faa561 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/timeline/DefaultTimelineStore.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/timeline/DefaultTimelineStore.kt
@@ -1,6 +1,5 @@
 package dev.usbharu.hideout.core.infrastructure.timeline
 
-import dev.usbharu.hideout.core.application.model.Reactions
 import dev.usbharu.hideout.core.config.DefaultTimelineStoreConfig
 import dev.usbharu.hideout.core.domain.model.actor.Actor
 import dev.usbharu.hideout.core.domain.model.actor.ActorId
@@ -33,7 +32,6 @@ import dev.usbharu.hideout.core.domain.service.filter.FilterDomainService
 import dev.usbharu.hideout.core.domain.service.post.IPostReadAccessControl
 import dev.usbharu.hideout.core.domain.shared.id.IdGenerateService
 import dev.usbharu.hideout.core.external.timeline.ReadTimelineOption
-import dev.usbharu.hideout.core.query.reactions.ReactionsQueryService
 import org.springframework.stereotype.Component
 import java.time.Instant
 
@@ -51,8 +49,7 @@ open class DefaultTimelineStore(
     private val userDetailRepository: UserDetailRepository,
     private val actorRepository: ActorRepository,
     private val mediaRepository: MediaRepository,
-    private val postIPostReadAccessControl: IPostReadAccessControl,
-    private val reactionsQueryService: ReactionsQueryService,
+    private val postIPostReadAccessControl: IPostReadAccessControl
 ) : AbstractTimelineStore(idGenerateService) {
     override suspend fun getTimelines(actorId: ActorId): List<Timeline> {
         return timelineRepository.findByIds(
@@ -160,10 +157,6 @@ open class DefaultTimelineStore(
     override suspend fun getMedias(mediaIds: List<MediaId>): Map<MediaId, Media> =
         mediaRepository.findByIds(mediaIds).associateBy { it.id }
 
-    override suspend fun getReactions(postIds: List<PostId>): Map<PostId, List<Reactions>> {
-        return reactionsQueryService.findAllByPostIdIn(postIds).groupBy { PostId(it.postId) }
-    }
-
     override suspend fun getUserDetails(userDetailIdList: List<UserDetailId>): Map<UserDetailId, UserDetail> =
         userDetailRepository.findAllById(userDetailIdList).associateBy { it.id }
 }
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/interfaces/web/posts/PostsController.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/interfaces/web/posts/PostsController.kt
index f1005327..4dda4759 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/interfaces/web/posts/PostsController.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/interfaces/web/posts/PostsController.kt
@@ -4,25 +4,18 @@ import dev.usbharu.hideout.core.application.exception.PermissionDeniedException
 import dev.usbharu.hideout.core.application.instance.GetLocalInstanceApplicationService
 import dev.usbharu.hideout.core.application.post.GetPostDetail
 import dev.usbharu.hideout.core.application.post.GetPostDetailApplicationService
-import dev.usbharu.hideout.core.application.reaction.CreateReaction
-import dev.usbharu.hideout.core.application.reaction.RemoveReaction
-import dev.usbharu.hideout.core.application.reaction.UserCreateReactionApplicationService
-import dev.usbharu.hideout.core.application.reaction.UserRemoveReactionApplicationService
 import dev.usbharu.hideout.core.infrastructure.springframework.SpringSecurityFormLoginPrincipalContextHolder
 import org.springframework.security.access.AccessDeniedException
 import org.springframework.stereotype.Controller
 import org.springframework.ui.Model
 import org.springframework.web.bind.annotation.GetMapping
 import org.springframework.web.bind.annotation.PathVariable
-import org.springframework.web.bind.annotation.PostMapping
 
 @Controller
 class PostsController(
     private val getPostDetailApplicationService: GetPostDetailApplicationService,
     private val springSecurityFormLoginPrincipalContextHolder: SpringSecurityFormLoginPrincipalContextHolder,
-    private val getLocalInstanceApplicationService: GetLocalInstanceApplicationService,
-    private val userCreateReactionApplicationService: UserCreateReactionApplicationService,
-    private val userRemoveReactionApplicationService: UserRemoveReactionApplicationService
+    private val getLocalInstanceApplicationService: GetLocalInstanceApplicationService
 ) {
     @GetMapping("/users/{name}/posts/{id}")
     suspend fun postById(@PathVariable id: Long, model: Model): String {
@@ -38,32 +31,4 @@ class PostsController(
 
         return "postById"
     }
-
-    @PostMapping("/users/{name}/posts/{id}/favourite")
-    suspend fun favourite(@PathVariable id: Long, @PathVariable name: String): String {
-        val principal = springSecurityFormLoginPrincipalContextHolder.getPrincipal()
-        userCreateReactionApplicationService.execute(
-            CreateReaction(
-                id,
-                null,
-                "❤"
-            ),
-            principal
-        )
-        return "redirect:/users/$name/posts/$id"
-    }
-
-    @PostMapping("/users/{name}/posts/{id}/unfavourite")
-    suspend fun unfavourite(@PathVariable id: Long, @PathVariable name: String): String {
-        val principal = springSecurityFormLoginPrincipalContextHolder.getPrincipal()
-        userRemoveReactionApplicationService.execute(
-            RemoveReaction(
-                id,
-                null,
-                "❤"
-            ),
-            principal
-        )
-        return "redirect:/users/$name/posts/$id"
-    }
 }
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/query/reactions/ReactionsQueryService.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/query/reactions/ReactionsQueryService.kt
deleted file mode 100644
index e410c4ae..00000000
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/query/reactions/ReactionsQueryService.kt
+++ /dev/null
@@ -1,9 +0,0 @@
-package dev.usbharu.hideout.core.query.reactions
-
-import dev.usbharu.hideout.core.application.model.Reactions
-import dev.usbharu.hideout.core.domain.model.post.PostId
-
-interface ReactionsQueryService {
-    suspend fun findAllByPostId(postId: PostId): List<Reactions>
-    suspend fun findAllByPostIdIn(postIds: List<PostId>): List<Reactions>
-}
diff --git a/hideout-core/src/main/resources/db/migration/V1__Init_DB.sql b/hideout-core/src/main/resources/db/migration/V1__Init_DB.sql
index f4c62702..6ce43568 100644
--- a/hideout-core/src/main/resources/db/migration/V1__Init_DB.sql
+++ b/hideout-core/src/main/resources/db/migration/V1__Init_DB.sql
@@ -318,17 +318,4 @@ create table if not exists filter_keywords
     keyword   varchar(1000) not null,
     mode      varchar(100)  not null,
     constraint fk_filter_keywords_filter_id__id foreign key (filter_id) references filters (id) on delete cascade on update cascade
-);
-
-create table if not exists reactions
-(
-    id              bigint primary key,
-    post_id         bigint       not null,
-    actor_id        bigint       not null,
-    custom_emoji_id bigint       null,
-    unicode_emoji   varchar(100) not null,
-    created_at      timestamp    not null,
-    constraint fk_reactions_post_id__id foreign key (post_id) references posts (id) on delete cascade on update cascade,
-    constraint fk_reactions_actor_id__id foreign key (actor_id) references actors (id) on delete cascade on update cascade,
-    unique (post_id, actor_id, created_at, unicode_emoji)
-);
\ No newline at end of file
+)
\ No newline at end of file
diff --git a/hideout-core/src/main/resources/templates/fragments-post.html b/hideout-core/src/main/resources/templates/fragments-post.html
index d16f4861..e55f55be 100644
--- a/hideout-core/src/main/resources/templates/fragments-post.html
+++ b/hideout-core/src/main/resources/templates/fragments-post.html
@@ -44,27 +44,10 @@
 
 <div class="post-controller" th:fragment="single-post-controller(post)">
     <!--/*@thymesVar id="post" type="dev.usbharu.hideout.core.application.post.PostDetail"*/-->
-    <th:block th:if="${post.favourited}">
-        <form method="post" th:action="@{/users/a/posts/{id}/unfavourite(id=${post.id})}">
-            <a th:href="${'/publish?reply_to=' + post.id}">Reply</a>
-            <input type="submit" value="[❤]">
-            <a th:href="${post.apId}">
-                <time th:datetime="${post.createdAt}"
-                      th:text="${#temporals.format(post.createdAt, 'yyyy-MM-dd HH:mm')}"></time>
-            </a>
-        </form>
-    </th:block>
-    <th:block th:unless="${post.favourited}">
-        <form method="post" th:action="@{/users/a/posts/{id}/favourite(id=${post.id})}">
-            <a th:href="${'/publish?reply_to=' + post.id}">Reply</a>
-            <input type="submit" value="❤">
-            <a th:href="${post.apId}">
-                <time th:datetime="${post.createdAt}"
-                      th:text="${#temporals.format(post.createdAt, 'yyyy-MM-dd HH:mm')}"></time>
-            </a>
-        </form>
-    </th:block>
-
+    <a th:href="${'/publish?reply_to=' + post.id}">Reply</a>
+    <a th:href="${post.apId}">
+        <time th:datetime="${post.createdAt}" th:text="${#temporals.format(post.createdAt, 'yyyy-MM-dd HH:mm')}"></time>
+    </a>
 </div>
 
 
diff --git a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/actor/TestActorFactory.kt b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/actor/TestActorFactory.kt
index 4f81a194..3286ed74 100644
--- a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/actor/TestActorFactory.kt
+++ b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/actor/TestActorFactory.kt
@@ -1,6 +1,6 @@
 package dev.usbharu.hideout.core.domain.model.actor
 
-import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
+import dev.usbharu.hideout.core.domain.model.emoji.EmojiId
 import dev.usbharu.hideout.core.domain.model.instance.InstanceId
 import dev.usbharu.hideout.core.domain.model.support.domain.Domain
 import dev.usbharu.hideout.core.infrastructure.other.TwitterSnowflakeIdGenerateService
@@ -35,7 +35,7 @@ object TestActorFactory {
         suspend: Boolean = false,
         alsoKnownAs: Set<ActorId> = emptySet(),
         moveTo: Long? = null,
-        emojiIds: Set<CustomEmojiId> = emptySet(),
+        emojiIds: Set<EmojiId> = emptySet(),
         deleted: Boolean = false,
         roles: Set<Role> = emptySet(),
     ): Actor {
diff --git a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/emoji/CustomEmojiIdTest.kt b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/emoji/EmojiIdTest.kt
similarity index 82%
rename from hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/emoji/CustomEmojiIdTest.kt
rename to hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/emoji/EmojiIdTest.kt
index e9383cdb..c304294b 100644
--- a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/emoji/CustomEmojiIdTest.kt
+++ b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/emoji/EmojiIdTest.kt
@@ -3,18 +3,18 @@ package dev.usbharu.hideout.core.domain.model.emoji
 import org.junit.jupiter.api.Assertions.assertDoesNotThrow
 import org.junit.jupiter.api.Test
 
-class CustomEmojiIdTest {
+class EmojiIdTest {
     @Test
     fun emojiIdは0以上である必要がある() {
         org.junit.jupiter.api.assertThrows<IllegalArgumentException> {
-            CustomEmojiId(-1)
+            EmojiId(-1)
         }
     }
 
     @Test
     fun emojiIdは0以上なら設定できる() {
         assertDoesNotThrow {
-            CustomEmojiId(1)
+            EmojiId(1)
         }
     }
 }
\ No newline at end of file
diff --git a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/post/PostTest.kt b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/post/PostTest.kt
index a07a0b0d..ae8cc674 100644
--- a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/post/PostTest.kt
+++ b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/post/PostTest.kt
@@ -4,7 +4,7 @@ import dev.usbharu.hideout.core.domain.event.post.PostEvent
 import dev.usbharu.hideout.core.domain.model.actor.ActorId
 import dev.usbharu.hideout.core.domain.model.actor.ActorPublicKey
 import dev.usbharu.hideout.core.domain.model.actor.TestActorFactory
-import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
+import dev.usbharu.hideout.core.domain.model.emoji.EmojiId
 import dev.usbharu.hideout.core.domain.model.media.MediaId
 import org.junit.jupiter.api.Assertions.assertTrue
 import org.junit.jupiter.api.Test
@@ -447,7 +447,7 @@ class PostTest {
     @Test
     fun `emojiIds hideがtrueの時empty`() {
         val actor = TestActorFactory.create()
-        val emojiIds = listOf(CustomEmojiId(1), CustomEmojiId(2))
+        val emojiIds = listOf(EmojiId(1), EmojiId(2))
         val post = Post.create(
             id = PostId(1),
             actorId = actor.id,
@@ -473,7 +473,7 @@ class PostTest {
     @Test
     fun `emojiIds hideがfalseの時中身が返される`() {
         val actor = TestActorFactory.create()
-        val emojiIds = listOf(CustomEmojiId(1), CustomEmojiId(2))
+        val emojiIds = listOf(EmojiId(1), EmojiId(2))
         val post = Post.create(
             id = PostId(1),
             actorId = actor.id,
@@ -500,7 +500,7 @@ class PostTest {
         val post = TestPostFactory.create()
         val mediaIds = listOf<MediaId>(MediaId(1))
         val visibleActors = setOf<ActorId>((ActorId(2)))
-        val emojis = listOf<CustomEmojiId>(CustomEmojiId(3))
+        val emojis = listOf<EmojiId>(EmojiId(3))
         val reconstructWith = post.reconstructWith(mediaIds, emojis, visibleActors)
 
         assertEquals(mediaIds, reconstructWith.mediaIds)
@@ -511,7 +511,7 @@ class PostTest {
     @Test
     fun `mediaIds hideがtrueの時emptyが返される`() {
         val actor = TestActorFactory.create()
-        val emojiIds = listOf(CustomEmojiId(1), CustomEmojiId(2))
+        val emojiIds = listOf(EmojiId(1), EmojiId(2))
         val mediaIds = listOf(MediaId(1))
         val post = Post.create(
             id = PostId(1),
@@ -538,7 +538,7 @@ class PostTest {
     @Test
     fun `mediaIds hideがfalseの時中身が返される`() {
         val actor = TestActorFactory.create()
-        val emojiIds = listOf(CustomEmojiId(1), CustomEmojiId(2))
+        val emojiIds = listOf(EmojiId(1), EmojiId(2))
         val mediaIds = listOf(MediaId(2))
         val post = Post.create(
             id = PostId(1),
@@ -603,7 +603,7 @@ class PostTest {
     fun `restore 指定された引数で再構成されCHECKUPDATEイベントが発生する`() {
         val post = TestPostFactory.create(deleted = true)
 
-        val postContent = PostContent("aiueo", "aiueo", listOf(CustomEmojiId(1)))
+        val postContent = PostContent("aiueo", "aiueo", listOf(EmojiId(1)))
         val overview = PostOverview("overview")
         val mediaIds = listOf(MediaId(1))
         post.restore(
@@ -622,7 +622,7 @@ class PostTest {
     fun deletedがfalseの時失敗する() {
         val post = TestPostFactory.create(deleted = false)
 
-        val postContent = PostContent("aiueo", "aiueo", listOf(CustomEmojiId(1)))
+        val postContent = PostContent("aiueo", "aiueo", listOf(EmojiId(1)))
         val overview = PostOverview("overview")
         val mediaIds = listOf(MediaId(1))
         assertThrows<IllegalArgumentException> {
diff --git a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/infrastructure/emojikt/EmojiKtUnicodeEmojiServiceTest.kt b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/infrastructure/emojikt/EmojiKtUnicodeEmojiServiceTest.kt
deleted file mode 100644
index f589be2c..00000000
--- a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/infrastructure/emojikt/EmojiKtUnicodeEmojiServiceTest.kt
+++ /dev/null
@@ -1,16 +0,0 @@
-package dev.usbharu.hideout.core.infrastructure.emojikt
-
-import org.junit.jupiter.api.Assertions.assertTrue
-import org.junit.jupiter.params.ParameterizedTest
-import org.junit.jupiter.params.provider.ValueSource
-
-class EmojiKtUnicodeEmojiServiceTest {
-
-    @ParameterizedTest
-    @ValueSource(strings = ["❤", "👱", "☠️", "⁉️"])
-    fun 絵文字の判定ができる(s: String) {
-        assertTrue(EmojiKtUnicodeEmojiService().isUnicodeEmoji(s))
-    }
-
-
-}
\ No newline at end of file
diff --git a/hideout-mastodon/src/main/kotlin/dev/usbharu/hideout/mastodon/interfaces/api/SpringStatusApi.kt b/hideout-mastodon/src/main/kotlin/dev/usbharu/hideout/mastodon/interfaces/api/SpringStatusApi.kt
index 10e54af0..5e045a59 100644
--- a/hideout-mastodon/src/main/kotlin/dev/usbharu/hideout/mastodon/interfaces/api/SpringStatusApi.kt
+++ b/hideout-mastodon/src/main/kotlin/dev/usbharu/hideout/mastodon/interfaces/api/SpringStatusApi.kt
@@ -18,10 +18,6 @@ package dev.usbharu.hideout.mastodon.interfaces.api
 
 import dev.usbharu.hideout.core.application.post.RegisterLocalPost
 import dev.usbharu.hideout.core.application.post.RegisterLocalPostApplicationService
-import dev.usbharu.hideout.core.application.reaction.CreateReaction
-import dev.usbharu.hideout.core.application.reaction.RemoveReaction
-import dev.usbharu.hideout.core.application.reaction.UserCreateReactionApplicationService
-import dev.usbharu.hideout.core.application.reaction.UserRemoveReactionApplicationService
 import dev.usbharu.hideout.core.domain.model.post.Visibility
 import dev.usbharu.hideout.core.infrastructure.springframework.oauth2.SpringSecurityOauth2PrincipalContextHolder
 import dev.usbharu.hideout.mastodon.application.status.GetStatus
@@ -36,9 +32,7 @@ import org.springframework.stereotype.Controller
 class SpringStatusApi(
     private val registerLocalPostApplicationService: RegisterLocalPostApplicationService,
     private val getStatusApplicationService: GetStatusApplicationService,
-    private val principalContextHolder: SpringSecurityOauth2PrincipalContextHolder,
-    private val userCreateReactionApplicationService: UserCreateReactionApplicationService,
-    private val userRemoveReactionApplicationService: UserRemoveReactionApplicationService
+    private val principalContextHolder: SpringSecurityOauth2PrincipalContextHolder
 ) : StatusApi {
     override suspend fun apiV1StatusesIdEmojiReactionsEmojiDelete(id: String, emoji: String): ResponseEntity<Status> =
         super.apiV1StatusesIdEmojiReactionsEmojiDelete(id, emoji)
@@ -55,20 +49,6 @@ class SpringStatusApi(
         )
     }
 
-    override suspend fun apiV1StatusesIdFavouritePost(id: String): ResponseEntity<Status> {
-        val principal = principalContextHolder.getPrincipal()
-
-        userCreateReactionApplicationService.execute(CreateReaction(postId = id.toLong(), null, "❤"), principal)
-        return ResponseEntity.ok(getStatusApplicationService.execute(GetStatus(id), principal))
-    }
-
-    override suspend fun apiV1StatusesIdUnfavouritePost(id: String): ResponseEntity<Status> {
-        val principal = principalContextHolder.getPrincipal()
-
-        userRemoveReactionApplicationService.execute(RemoveReaction(postId = id.toLong(), null, "❤"), principal)
-        return ResponseEntity.ok(getStatusApplicationService.execute(GetStatus(id), principal))
-    }
-
     override suspend fun apiV1StatusesPost(statusesRequest: StatusesRequest): ResponseEntity<Status> {
         val principal = principalContextHolder.getPrincipal()
         val execute = registerLocalPostApplicationService.execute(
diff --git a/hideout-mastodon/src/main/resources/openapi/mastodon.yaml b/hideout-mastodon/src/main/resources/openapi/mastodon.yaml
index 76d8f5aa..bc5195d5 100644
--- a/hideout-mastodon/src/main/resources/openapi/mastodon.yaml
+++ b/hideout-mastodon/src/main/resources/openapi/mastodon.yaml
@@ -177,48 +177,6 @@ paths:
               schema:
                 $ref: "#/components/schemas/Status"
 
-  /api/v1/statuses/{id}/favourite:
-    post:
-      tags:
-        - status
-      security:
-        - OAuth2:
-            - "write:favourites"
-      parameters:
-        - in: path
-          name: id
-          required: true
-          schema:
-            type: string
-      responses:
-        200:
-          description: 成功
-          content:
-            application/json:
-              schema:
-                $ref: "#/components/schemas/Status"
-
-  /api/v1/statuses/{id}/unfavourite:
-    post:
-      tags:
-        - status
-      security:
-        - OAuth2:
-            - "write:favourites"
-      parameters:
-        - in: path
-          name: id
-          required: true
-          schema:
-            type: string
-      responses:
-        200:
-          description: 成功
-          content:
-            application/json:
-              schema:
-                $ref: "#/components/schemas/Status"
-
   /api/v1/statuses/{id}/emoji_reactions/{emoji}:
     put:
       tags: