diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/domainevent/subscribers/TimelineRelationshipUnfollowSubscriber.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/domainevent/subscribers/TimelineRelationshipUnfollowSubscriber.kt
index 018420d8..0430a7a2 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/domainevent/subscribers/TimelineRelationshipUnfollowSubscriber.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/domainevent/subscribers/TimelineRelationshipUnfollowSubscriber.kt
@@ -43,4 +43,4 @@ class TimelineRelationshipUnfollowSubscriber(
     companion object {
         private val logger = LoggerFactory.getLogger(TimelineRelationshipUnfollowSubscriber::class.java)
     }
-}
\ No newline at end of file
+}
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/timeline/UserGetTimelinesApplicationService.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/timeline/UserGetTimelinesApplicationService.kt
index f6cf8e5c..2ebced42 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/timeline/UserGetTimelinesApplicationService.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/timeline/UserGetTimelinesApplicationService.kt
@@ -13,10 +13,10 @@ import org.springframework.stereotype.Service
 @Service
 class UserGetTimelinesApplicationService(transaction: Transaction, private val timelineRepository: TimelineRepository) :
     AbstractApplicationService<GetTimelines, List<Timeline>>(
-        transaction, logger
+        transaction,
+        logger
     ) {
     override suspend fun internalExecute(command: GetTimelines, principal: Principal): List<Timeline> {
-
         val userDetailId = UserDetailId(command.userDetailId)
 
         val timelineVisibility = if (userDetailId == principal.userDetailId) {
@@ -34,4 +34,4 @@ class UserGetTimelinesApplicationService(transaction: Transaction, private val t
     companion object {
         private val logger = LoggerFactory.getLogger(UserGetTimelinesApplicationService::class.java)
     }
-}
\ No newline at end of file
+}
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/timeline/UserRemoveTimelineRelationshipApplicationService.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/timeline/UserRemoveTimelineRelationshipApplicationService.kt
index cdb434bf..ee2819bd 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/timeline/UserRemoveTimelineRelationshipApplicationService.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/timeline/UserRemoveTimelineRelationshipApplicationService.kt
@@ -16,15 +16,20 @@ class UserRemoveTimelineRelationshipApplicationService(
     private val timelineRepository: TimelineRepository
 ) :
     LocalUserAbstractApplicationService<RemoveTimelineRelationship, Unit>(
-        transaction, logger
+        transaction,
+        logger
     ) {
 
     override suspend fun internalExecute(command: RemoveTimelineRelationship, principal: LocalUser) {
-        val timelineRelationship = (timelineRelationshipRepository.findById(command.timelineRelationshipId)
-            ?: throw IllegalArgumentException("TimelineRelationship ${command.timelineRelationshipId} not found."))
+        val timelineRelationship = (
+            timelineRelationshipRepository.findById(command.timelineRelationshipId)
+                ?: throw IllegalArgumentException("TimelineRelationship ${command.timelineRelationshipId} not found.")
+            )
 
-        val timeline = (timelineRepository.findById(timelineRelationship.timelineId)
-            ?: throw IllegalArgumentException("Timeline ${timelineRelationship.timelineId} not found."))
+        val timeline = (
+            timelineRepository.findById(timelineRelationship.timelineId)
+                ?: throw IllegalArgumentException("Timeline ${timelineRelationship.timelineId} not found.")
+            )
 
         if (timeline.userDetailId != principal.userDetailId) {
             throw PermissionDeniedException()
@@ -36,4 +41,4 @@ class UserRemoveTimelineRelationshipApplicationService(
     companion object {
         private val logger = LoggerFactory.getLogger(UserRemoveTimelineRelationshipApplicationService::class.java)
     }
-}
\ No newline at end of file
+}
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/relationship/Relationship.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/relationship/Relationship.kt
index 9f7e4f6f..f1f48851 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/relationship/Relationship.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/relationship/Relationship.kt
@@ -50,7 +50,6 @@ class Relationship(
         val relationshipEventFactory = RelationshipEventFactory(this)
         addDomainEvent(relationshipEventFactory.createEvent(RelationshipEvent.UNFOLLOW))
         addDomainEvent(relationshipEventFactory.createEvent(RelationshipEvent.UNFOLLOW_REQUEST))
-
     }
 
     fun block() {
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/interfaces/web/user/UserController.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/interfaces/web/user/UserController.kt
index c2adad5d..a7d8a900 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/interfaces/web/user/UserController.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/interfaces/web/user/UserController.kt
@@ -57,7 +57,6 @@ class UserController(
                 null
             }
 
-
         model.addAttribute("relationship", relationship)
         model.addAttribute(
             "userTimeline",