diff --git a/magic-api/src/main/java/org/ssssssss/magicapi/provider/GroupServiceProvider.java b/magic-api/src/main/java/org/ssssssss/magicapi/provider/GroupServiceProvider.java
index 7cca1bdaf5bb6370c1ad40905f7359d2bdaf1c77..a68de45df7dc1435a57a614f59754533ef22f222 100644
--- a/magic-api/src/main/java/org/ssssssss/magicapi/provider/GroupServiceProvider.java
+++ b/magic-api/src/main/java/org/ssssssss/magicapi/provider/GroupServiceProvider.java
@@ -66,8 +66,6 @@ public interface GroupServiceProvider {
 
 	Resource getGroupResource(String groupId);
 
-	List<String> getGroupsWithoutGroups(List<String> groupIds);
-
 	default String getScriptName(String groupId, String name, String path) {
 		return PathUtils.replaceSlash("/" + getFullName(groupId) + "/" + name) + "(" + PathUtils.replaceSlash(getFullPath(groupId) + "/" + path) + ")";
 	}
diff --git a/magic-api/src/main/java/org/ssssssss/magicapi/provider/impl/DefaultGroupServiceProvider.java b/magic-api/src/main/java/org/ssssssss/magicapi/provider/impl/DefaultGroupServiceProvider.java
index eed18c4d48eeb3dc022cde1cabe5ffd28007718c..0093fe29d4fb2a927998a7abb8f7bb8b5fceb170 100644
--- a/magic-api/src/main/java/org/ssssssss/magicapi/provider/impl/DefaultGroupServiceProvider.java
+++ b/magic-api/src/main/java/org/ssssssss/magicapi/provider/impl/DefaultGroupServiceProvider.java
@@ -172,11 +172,6 @@ public class DefaultGroupServiceProvider implements GroupServiceProvider {
 		return resource == null ? null : resource.parent();
 	}
 
-	@Override
-	public List<String> getGroupsWithoutGroups(List<String> groupIds) {
-		return this.mappings.keySet().stream().filter(groupId -> !groupIds.contains(groupId)).collect(Collectors.toList());
-	}
-
 	private TreeNode<Group> convertToTree(List<Group> groups) {
 		TreeNode<Group> root = new TreeNode<>();
 		root.setNode(new Group("0", "root"));