diff --git a/src/main/kotlin/dev/usbharu/hideout/repository/MongoTimelineRepository.kt b/src/main/kotlin/dev/usbharu/hideout/repository/MongoTimelineRepository.kt
index 3dcd35b1..0b8937cf 100644
--- a/src/main/kotlin/dev/usbharu/hideout/repository/MongoTimelineRepository.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/repository/MongoTimelineRepository.kt
@@ -4,7 +4,7 @@ import dev.usbharu.hideout.domain.model.hideout.entity.Timeline
 import org.springframework.data.domain.Pageable
 import org.springframework.data.mongodb.repository.MongoRepository
 
-@Suppress("LongParameterList")
+@Suppress("LongParameterList", "FunctionMaxLength")
 interface MongoTimelineRepository : MongoRepository<Timeline, Long> {
     fun findByUserId(id: Long): List<Timeline>
     fun findByUserIdAndTimelineId(userId: Long, timelineId: Long): List<Timeline>
diff --git a/src/main/kotlin/dev/usbharu/hideout/repository/MongoTimelineRepositoryWrapper.kt b/src/main/kotlin/dev/usbharu/hideout/repository/MongoTimelineRepositoryWrapper.kt
index d4908948..a3e31b6f 100644
--- a/src/main/kotlin/dev/usbharu/hideout/repository/MongoTimelineRepositoryWrapper.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/repository/MongoTimelineRepositoryWrapper.kt
@@ -21,9 +21,8 @@ class MongoTimelineRepositoryWrapper(
         }
     }
 
-    override suspend fun saveAll(timelines: List<Timeline>): List<Timeline> {
-        return mongoTimelineRepository.saveAll(timelines)
-    }
+    override suspend fun saveAll(timelines: List<Timeline>): List<Timeline> =
+        mongoTimelineRepository.saveAll(timelines)
 
     override suspend fun findByUserId(id: Long): List<Timeline> {
         return withContext(Dispatchers.IO) {
diff --git a/src/main/kotlin/dev/usbharu/hideout/service/ap/APNoteService.kt b/src/main/kotlin/dev/usbharu/hideout/service/ap/APNoteService.kt
index b4c260e1..2b6ce229 100644
--- a/src/main/kotlin/dev/usbharu/hideout/service/ap/APNoteService.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/service/ap/APNoteService.kt
@@ -190,11 +190,11 @@ class APNoteServiceImpl(
     override suspend fun fetchNote(note: Note, targetActor: String?): Note =
         note(note, targetActor, note.id ?: throw IllegalArgumentException("note.id is null"))
 
-    companion object {
-        const val public: String = "https://www.w3.org/ns/activitystreams#Public"
-    }
-
     override suspend fun run(post: Post) {
         createNote(post)
     }
+
+    companion object {
+        const val public: String = "https://www.w3.org/ns/activitystreams#Public"
+    }
 }
diff --git a/src/main/kotlin/dev/usbharu/hideout/service/post/PostServiceImpl.kt b/src/main/kotlin/dev/usbharu/hideout/service/post/PostServiceImpl.kt
index 2fb9a1e4..a86c2227 100644
--- a/src/main/kotlin/dev/usbharu/hideout/service/post/PostServiceImpl.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/service/post/PostServiceImpl.kt
@@ -23,9 +23,7 @@ class PostServiceImpl(
         return create
     }
 
-    override suspend fun createRemote(post: Post): Post {
-        return internalCreate(post, false)
-    }
+    override suspend fun createRemote(post: Post): Post = internalCreate(post, false)
 
     override fun addInterceptor(postCreateInterceptor: PostCreateInterceptor) {
         interceptors.add(postCreateInterceptor)