diff --git a/src/main/kotlin/com/wafflestudio/csereal/common/mockauth/DevAuthController.kt b/src/main/kotlin/com/wafflestudio/csereal/common/mockauth/DevAuthController.kt
index 6f7e16a5..3061e5a7 100644
--- a/src/main/kotlin/com/wafflestudio/csereal/common/mockauth/DevAuthController.kt
+++ b/src/main/kotlin/com/wafflestudio/csereal/common/mockauth/DevAuthController.kt
@@ -30,7 +30,9 @@ class DevAuthController(
             ?: userRepository.save(UserEntity("devUser", "Mock", "mock@abc.com", "0000-00000", Role.ROLE_STAFF))
         val customPrincipal = CustomPrincipal(mockUser)
         val authenticationToken = UsernamePasswordAuthenticationToken(
-            customPrincipal, null, listOf(
+            customPrincipal,
+            null,
+            listOf(
                 SimpleGrantedAuthority("ROLE_STAFF")
             )
         )
diff --git a/src/main/kotlin/com/wafflestudio/csereal/common/mockauth/DevAuthenticationProvider.kt b/src/main/kotlin/com/wafflestudio/csereal/common/mockauth/DevAuthenticationProvider.kt
index 54c2111f..cfdf0761 100644
--- a/src/main/kotlin/com/wafflestudio/csereal/common/mockauth/DevAuthenticationProvider.kt
+++ b/src/main/kotlin/com/wafflestudio/csereal/common/mockauth/DevAuthenticationProvider.kt
@@ -24,4 +24,3 @@ class DevAuthenticationProvider(private val userRepository: UserRepository) : Au
         return UsernamePasswordAuthenticationToken::class.java.isAssignableFrom(authentication)
     }
 }
-