diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/actor/SetAlsoKnownAsLocalActorApplicationService.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/actor/SetAlsoKnownAsLocalActorApplicationService.kt
deleted file mode 100644
index 3f676614..00000000
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/actor/SetAlsoKnownAsLocalActorApplicationService.kt
+++ /dev/null
@@ -1,8 +0,0 @@
-package dev.usbharu.hideout.core.application.actor
-
-import org.springframework.stereotype.Service
-
-@Service
-interface SetAlsoKnownAsLocalActorApplicationService {
-    suspend fun setAlsoKnownAs(actorId: Long, alsoKnownAs: List<Long>)
-}
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/actor/SuspendLocalActor.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/actor/SuspendLocalActor.kt
deleted file mode 100644
index a566ce97..00000000
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/actor/SuspendLocalActor.kt
+++ /dev/null
@@ -1,3 +0,0 @@
-package dev.usbharu.hideout.core.application.actor
-
-data class SuspendLocalActor(val actorId: Long)
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/actor/SuspendLocalActorApplicationService.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/actor/SuspendLocalActorApplicationService.kt
deleted file mode 100644
index eaeba5e7..00000000
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/actor/SuspendLocalActorApplicationService.kt
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Copyright (C) 2024 usbharu
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package dev.usbharu.hideout.core.application.actor
-
-import dev.usbharu.hideout.core.application.shared.LocalUserAbstractApplicationService
-import dev.usbharu.hideout.core.application.shared.Transaction
-import dev.usbharu.hideout.core.domain.model.actor.ActorId
-import dev.usbharu.hideout.core.domain.model.actor.ActorRepository
-import dev.usbharu.hideout.core.domain.model.support.principal.LocalUser
-import org.slf4j.LoggerFactory
-import org.springframework.stereotype.Service
-
-@Service
-class SuspendLocalActorApplicationService(
-    transaction: Transaction,
-    private val actorRepository: ActorRepository,
-) : LocalUserAbstractApplicationService<SuspendLocalActor, Unit>(transaction, logger) {
-
-    override suspend fun internalExecute(command: SuspendLocalActor, principal: LocalUser) {
-        val id = ActorId(command.actorId)
-        val actor =
-            actorRepository.findById(id) ?: throw IllegalArgumentException("Actor ${command.actorId} not found.")
-        actor.suspend = true
-        actorRepository.save(actor)
-    }
-
-    companion object {
-        private val logger = LoggerFactory.getLogger(SuspendLocalActorApplicationService::class.java)
-    }
-}
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/actor/UnsuspendLocalActor.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/actor/UnsuspendLocalActor.kt
deleted file mode 100644
index a8107458..00000000
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/actor/UnsuspendLocalActor.kt
+++ /dev/null
@@ -1,3 +0,0 @@
-package dev.usbharu.hideout.core.application.actor
-
-data class UnsuspendLocalActor(val actorId: Long)
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/actor/UnsuspendLocalActorApplicationService.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/actor/UnsuspendLocalActorApplicationService.kt
deleted file mode 100644
index 019753e8..00000000
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/actor/UnsuspendLocalActorApplicationService.kt
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Copyright (C) 2024 usbharu
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package dev.usbharu.hideout.core.application.actor
-
-import dev.usbharu.hideout.core.application.shared.LocalUserAbstractApplicationService
-import dev.usbharu.hideout.core.application.shared.Transaction
-import dev.usbharu.hideout.core.domain.model.actor.ActorId
-import dev.usbharu.hideout.core.domain.model.actor.ActorRepository
-import dev.usbharu.hideout.core.domain.model.support.principal.LocalUser
-import org.slf4j.LoggerFactory
-import org.springframework.stereotype.Service
-
-@Service
-class UnsuspendLocalActorApplicationService(
-    transaction: Transaction,
-    private val actorRepository: ActorRepository,
-) : LocalUserAbstractApplicationService<UnsuspendLocalActor, Unit>(transaction, logger) {
-
-    override suspend fun internalExecute(command: UnsuspendLocalActor, principal: LocalUser) {
-        val findById = actorRepository.findById(ActorId(command.actorId))
-            ?: throw IllegalArgumentException("Actor ${command.actorId} not found.")
-
-        findById.suspend = false
-        actorRepository.save(findById)
-    }
-
-    companion object {
-        private val logger = LoggerFactory.getLogger(UnsuspendLocalActorApplicationService::class.java)
-    }
-}
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/Role.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/Role.kt
deleted file mode 100644
index 7c697abf..00000000
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/Role.kt
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright (C) 2024 usbharu
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package dev.usbharu.hideout.core.domain.model.actor
-
-enum class Role {
-    LOCAL,
-    MODERATOR,
-    ADMINISTRATOR,
-    REMOTE
-}