diff --git a/service/abstract.go b/service/abstract.go
index 59ab737..cb7874d 100644
--- a/service/abstract.go
+++ b/service/abstract.go
@@ -10,14 +10,3 @@ func _postProcessSingle[T interface{}](instance *T, has bool, err error) (*T, er
 		return nil, nil
 	}
 }
-
-func _postProcessList[T interface{}](instance []*T, has bool, err error) ([]*T, error) {
-	if err != nil {
-		return nil, err
-	}
-	if has {
-		return instance, nil
-	} else {
-		return nil, nil
-	}
-}