diff --git a/app/src/main/java/com/myongsik/myongsikandroid/data/repository/restaurant/RestaurantRepositoryImpl.kt b/app/src/main/java/com/myongsik/myongsikandroid/data/repository/restaurant/RestaurantRepositoryImpl.kt
index 805f8a74..e507d481 100644
--- a/app/src/main/java/com/myongsik/myongsikandroid/data/repository/restaurant/RestaurantRepositoryImpl.kt
+++ b/app/src/main/java/com/myongsik/myongsikandroid/data/repository/restaurant/RestaurantRepositoryImpl.kt
@@ -3,6 +3,7 @@ package com.myongsik.myongsikandroid.data.repository.restaurant
 import com.myongsik.myongsikandroid.data.db.RestaurantDatabase
 import com.myongsik.myongsikandroid.data.model.kakao.toInsertFoodData
 import com.myongsik.myongsikandroid.domain.model.restaurant.InsertRestaurantEntity
+import com.myongsik.myongsikandroid.domain.repository.restaurant.RestaurantRepository
 import javax.inject.Inject
 
 class RestaurantRepositoryImpl @Inject constructor(
diff --git a/app/src/main/java/com/myongsik/myongsikandroid/data/repository/user/UserRepositoryImpl.kt b/app/src/main/java/com/myongsik/myongsikandroid/data/repository/user/UserRepositoryImpl.kt
index 068847b4..f916f655 100644
--- a/app/src/main/java/com/myongsik/myongsikandroid/data/repository/user/UserRepositoryImpl.kt
+++ b/app/src/main/java/com/myongsik/myongsikandroid/data/repository/user/UserRepositoryImpl.kt
@@ -5,6 +5,7 @@ import com.myongsik.myongsikandroid.data.model.user.toRequestUserData
 import com.myongsik.myongsikandroid.data.model.user.toResponseUserEntity
 import com.myongsik.myongsikandroid.domain.model.user.RequestUserEntity
 import com.myongsik.myongsikandroid.domain.model.user.ResponseUserEntity
+import com.myongsik.myongsikandroid.domain.repository.user.UserRepository
 import javax.inject.Inject
 
 class UserRepositoryImpl @Inject constructor(private val userApi: UserApi) : UserRepository {
diff --git a/app/src/main/java/com/myongsik/myongsikandroid/di/RepositoryModule.kt b/app/src/main/java/com/myongsik/myongsikandroid/di/RepositoryModule.kt
index 6e1414f2..6bf7e8fe 100644
--- a/app/src/main/java/com/myongsik/myongsikandroid/di/RepositoryModule.kt
+++ b/app/src/main/java/com/myongsik/myongsikandroid/di/RepositoryModule.kt
@@ -2,11 +2,11 @@ package com.myongsik.myongsikandroid.di
 
 import com.myongsik.myongsikandroid.data.repository.food.FoodRepository
 import com.myongsik.myongsikandroid.data.repository.food.FoodRepositoryImpl
-import com.myongsik.myongsikandroid.data.repository.restaurant.RestaurantRepository
+import com.myongsik.myongsikandroid.domain.repository.restaurant.RestaurantRepository
 import com.myongsik.myongsikandroid.data.repository.restaurant.RestaurantRepositoryImpl
 import com.myongsik.myongsikandroid.data.repository.search.SearchFoodRepository
 import com.myongsik.myongsikandroid.data.repository.search.SearchFoodRepositoryImpl
-import com.myongsik.myongsikandroid.data.repository.user.UserRepository
+import com.myongsik.myongsikandroid.domain.repository.user.UserRepository
 import com.myongsik.myongsikandroid.data.repository.user.UserRepositoryImpl
 import dagger.Binds
 import dagger.Module
diff --git a/app/src/main/java/com/myongsik/myongsikandroid/data/repository/restaurant/RestaurantRepository.kt b/app/src/main/java/com/myongsik/myongsikandroid/domain/repository/restaurant/RestaurantRepository.kt
similarity index 75%
rename from app/src/main/java/com/myongsik/myongsikandroid/data/repository/restaurant/RestaurantRepository.kt
rename to app/src/main/java/com/myongsik/myongsikandroid/domain/repository/restaurant/RestaurantRepository.kt
index bf1acaa7..e67e2ecf 100644
--- a/app/src/main/java/com/myongsik/myongsikandroid/data/repository/restaurant/RestaurantRepository.kt
+++ b/app/src/main/java/com/myongsik/myongsikandroid/domain/repository/restaurant/RestaurantRepository.kt
@@ -1,4 +1,4 @@
-package com.myongsik.myongsikandroid.data.repository.restaurant
+package com.myongsik.myongsikandroid.domain.repository.restaurant
 
 import com.myongsik.myongsikandroid.domain.model.restaurant.InsertRestaurantEntity
 
diff --git a/app/src/main/java/com/myongsik/myongsikandroid/data/repository/user/UserRepository.kt b/app/src/main/java/com/myongsik/myongsikandroid/domain/repository/user/UserRepository.kt
similarity index 81%
rename from app/src/main/java/com/myongsik/myongsikandroid/data/repository/user/UserRepository.kt
rename to app/src/main/java/com/myongsik/myongsikandroid/domain/repository/user/UserRepository.kt
index 850546a4..40eda3fb 100644
--- a/app/src/main/java/com/myongsik/myongsikandroid/data/repository/user/UserRepository.kt
+++ b/app/src/main/java/com/myongsik/myongsikandroid/domain/repository/user/UserRepository.kt
@@ -1,4 +1,4 @@
-package com.myongsik.myongsikandroid.data.repository.user
+package com.myongsik.myongsikandroid.domain.repository.user
 
 import com.myongsik.myongsikandroid.domain.model.user.RequestUserEntity
 import com.myongsik.myongsikandroid.domain.model.user.ResponseUserEntity
diff --git a/app/src/main/java/com/myongsik/myongsikandroid/domain/usecase/restaurant/InsertRestaurantDataUseCase.kt b/app/src/main/java/com/myongsik/myongsikandroid/domain/usecase/restaurant/InsertRestaurantDataUseCase.kt
index 3eb4093c..c97cedfb 100644
--- a/app/src/main/java/com/myongsik/myongsikandroid/domain/usecase/restaurant/InsertRestaurantDataUseCase.kt
+++ b/app/src/main/java/com/myongsik/myongsikandroid/domain/usecase/restaurant/InsertRestaurantDataUseCase.kt
@@ -1,12 +1,12 @@
 package com.myongsik.myongsikandroid.domain.usecase.restaurant
 
-import com.myongsik.myongsikandroid.data.repository.restaurant.RestaurantRepository
+import com.myongsik.myongsikandroid.domain.repository.restaurant.RestaurantRepository
 import com.myongsik.myongsikandroid.domain.model.restaurant.InsertRestaurantEntity
 import javax.inject.Inject
 
 class InsertRestaurantDataUseCase @Inject constructor(
     private val restaurantRepository : RestaurantRepository
-) : LoveCase {
+) {
 
     suspend operator fun invoke(insertRestaurantEntity: InsertRestaurantEntity) =
         restaurantRepository.insertRestaurant(insertRestaurantEntity)
diff --git a/app/src/main/java/com/myongsik/myongsikandroid/domain/usecase/restaurant/LoveCase.kt b/app/src/main/java/com/myongsik/myongsikandroid/domain/usecase/restaurant/LoveCase.kt
deleted file mode 100644
index c8d3211a..00000000
--- a/app/src/main/java/com/myongsik/myongsikandroid/domain/usecase/restaurant/LoveCase.kt
+++ /dev/null
@@ -1,5 +0,0 @@
-package com.myongsik.myongsikandroid.domain.usecase.restaurant
-
-interface LoveCase {
-
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/myongsik/myongsikandroid/domain/usecase/user/PostUserDataUseCase.kt b/app/src/main/java/com/myongsik/myongsikandroid/domain/usecase/user/PostUserDataUseCase.kt
index 5c76022d..ecde165f 100644
--- a/app/src/main/java/com/myongsik/myongsikandroid/domain/usecase/user/PostUserDataUseCase.kt
+++ b/app/src/main/java/com/myongsik/myongsikandroid/domain/usecase/user/PostUserDataUseCase.kt
@@ -1,9 +1,9 @@
 package com.myongsik.myongsikandroid.domain.usecase.user
 
-import com.myongsik.myongsikandroid.data.repository.user.UserRepository
+import com.myongsik.myongsikandroid.domain.repository.user.UserRepository
 import com.myongsik.myongsikandroid.domain.model.user.RequestUserEntity
 import javax.inject.Inject
 
-class PostUserDataUseCase @Inject constructor(private val userRepository: UserRepository) : UserCase {
+class PostUserDataUseCase @Inject constructor(private val userRepository: UserRepository) {
     suspend operator fun invoke(requestUserEntity: RequestUserEntity) = userRepository.postUser(requestUserEntity)
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/myongsik/myongsikandroid/domain/usecase/user/UserCase.kt b/app/src/main/java/com/myongsik/myongsikandroid/domain/usecase/user/UserCase.kt
deleted file mode 100644
index fc1ad3d4..00000000
--- a/app/src/main/java/com/myongsik/myongsikandroid/domain/usecase/user/UserCase.kt
+++ /dev/null
@@ -1,5 +0,0 @@
-package com.myongsik.myongsikandroid.domain.usecase.user
-
-interface UserCase {
-
-}
\ No newline at end of file