diff --git a/tools/run_tests/run_interop_tests.py b/tools/run_tests/run_interop_tests.py
index 389d070d630..310cfe674ec 100755
--- a/tools/run_tests/run_interop_tests.py
+++ b/tools/run_tests/run_interop_tests.py
@@ -89,7 +89,7 @@ class CXXLanguage:
     return {}
 
   def unimplemented_test_cases(self):
-    return _SKIP_ADVANCED
+    return []
 
   def unimplemented_test_cases_server(self):
     return _SKIP_ADVANCED