diff --git a/api/services/enterprise/rbac_service.py b/api/services/enterprise/rbac_service.py
index 1072c7051b0..ec5a539f73a 100644
--- a/api/services/enterprise/rbac_service.py
+++ b/api/services/enterprise/rbac_service.py
@@ -330,8 +330,6 @@ _LEGACY_WORKSPACE_OWNER_KEYS: list[str] = [
     "snippets.management",
     "tool.manage",
     "mcp.manage",
-    "snippets.create_and_modify",
-    "snippets.management",
 ]
 
 _LEGACY_WORKSPACE_ADMIN_KEYS: list[str] = [
@@ -361,8 +359,6 @@ _LEGACY_WORKSPACE_ADMIN_KEYS: list[str] = [
     "snippets.management",
     "tool.manage",
     "mcp.manage",
-    "snippets.create_and_modify",
-    "snippets.management",
 ]
 
 _LEGACY_WORKSPACE_EDITOR_KEYS: list[str] = [
@@ -378,7 +374,6 @@ _LEGACY_WORKSPACE_EDITOR_KEYS: list[str] = [
     "dataset.external.connect",
     "snippets.create_and_modify",
     "tool.manage",
-    "snippets.create_and_modify",
     "billing.view",
     "billing.subscription.manage",
     "billing.manage",
diff --git a/api/tests/unit_tests/services/enterprise/test_rbac_service.py b/api/tests/unit_tests/services/enterprise/test_rbac_service.py
index ef786c944e1..bb462588851 100644
--- a/api/tests/unit_tests/services/enterprise/test_rbac_service.py
+++ b/api/tests/unit_tests/services/enterprise/test_rbac_service.py
@@ -621,6 +621,7 @@ class TestMyPermissions:
 
         mock_send.assert_not_called()
         assert out.workspace.permission_keys == workspace_keys
+        assert len(out.workspace.permission_keys) == len(set(out.workspace.permission_keys))
         assert out.app.default_permission_keys == app_keys
         assert out.dataset.default_permission_keys == dataset_keys
         assert out.app.overrides == []