diff --git a/src/main/kotlin/dev/usbharu/hideout/repository/ReactionRepositoryImpl.kt b/src/main/kotlin/dev/usbharu/hideout/repository/ReactionRepositoryImpl.kt
index 03a65549..34c25d82 100644
--- a/src/main/kotlin/dev/usbharu/hideout/repository/ReactionRepositoryImpl.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/repository/ReactionRepositoryImpl.kt
@@ -12,7 +12,6 @@ class ReactionRepositoryImpl(
     private val idGenerateService: IdGenerateService
 ) : ReactionRepository {
 
-
     override suspend fun save(reaction: Reaction): Reaction {
         if (Reactions.select { Reactions.id eq reaction.id }.empty()) {
             Reactions.insert {
diff --git a/src/main/kotlin/dev/usbharu/hideout/repository/RegisteredClientRepositoryImpl.kt b/src/main/kotlin/dev/usbharu/hideout/repository/RegisteredClientRepositoryImpl.kt
index 5acfd3fc..81632609 100644
--- a/src/main/kotlin/dev/usbharu/hideout/repository/RegisteredClientRepositoryImpl.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/repository/RegisteredClientRepositoryImpl.kt
@@ -28,7 +28,6 @@ import org.springframework.security.oauth2.server.authorization.client.Registere
 @Repository
 class RegisteredClientRepositoryImpl : RegisteredClientRepository {
 
-
     override fun save(registeredClient: SpringRegisteredClient?) {
         requireNotNull(registeredClient)
         val singleOrNull = RegisteredClient.select { RegisteredClient.id eq registeredClient.id }.singleOrNull()
diff --git a/src/main/kotlin/dev/usbharu/hideout/service/auth/ExposedOAuth2AuthorizationService.kt b/src/main/kotlin/dev/usbharu/hideout/service/auth/ExposedOAuth2AuthorizationService.kt
index 61e8d41d..b3c3a2a2 100644
--- a/src/main/kotlin/dev/usbharu/hideout/service/auth/ExposedOAuth2AuthorizationService.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/service/auth/ExposedOAuth2AuthorizationService.kt
@@ -31,7 +31,6 @@ class ExposedOAuth2AuthorizationService(
 ) :
     OAuth2AuthorizationService {
 
-
     @Suppress("LongMethod", "CyclomaticComplexMethod")
     override fun save(authorization: OAuth2Authorization?): Unit = runBlocking {
         requireNotNull(authorization)
diff --git a/src/main/kotlin/dev/usbharu/hideout/service/user/UserAuthService.kt b/src/main/kotlin/dev/usbharu/hideout/service/user/UserAuthService.kt
index 556fb618..0028cdfb 100644
--- a/src/main/kotlin/dev/usbharu/hideout/service/user/UserAuthService.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/service/user/UserAuthService.kt
@@ -10,5 +10,4 @@ interface UserAuthService {
     suspend fun usernameAlreadyUse(username: String): Boolean
 
     suspend fun generateKeyPair(): KeyPair
-
 }