diff --git a/.pylintrc-tests b/.pylintrc-tests
index e80d85eaf70..82c48a1b957 100644
--- a/.pylintrc-tests
+++ b/.pylintrc-tests
@@ -49,7 +49,6 @@ disable=
 	too-many-format-args,
 	too-many-return-statements,
 	too-many-statements,
-	function-redefined,
 	wildcard-import,
 	line-too-long,
 	wrong-import-position,
diff --git a/src/python/grpcio_tests/tests/testing/_client_application.py b/src/python/grpcio_tests/tests/testing/_client_application.py
index 7d0d74c8c4a..3ddeba23735 100644
--- a/src/python/grpcio_tests/tests/testing/_client_application.py
+++ b/src/python/grpcio_tests/tests/testing/_client_application.py
@@ -215,30 +215,6 @@ def _run_infinite_request_stream(stub):
         return _UNSATISFACTORY_OUTCOME
 
 
-def run(scenario, channel):
-    stub = services_pb2_grpc.FirstServiceStub(channel)
-    try:
-        if scenario is Scenario.UNARY_UNARY:
-            return _run_unary_unary(stub)
-        elif scenario is Scenario.UNARY_STREAM:
-            return _run_unary_stream(stub)
-        elif scenario is Scenario.STREAM_UNARY:
-            return _run_stream_unary(stub)
-        elif scenario is Scenario.STREAM_STREAM:
-            return _run_stream_stream(stub)
-        elif scenario is Scenario.CONCURRENT_STREAM_UNARY:
-            return _run_concurrent_stream_unary(stub)
-        elif scenario is Scenario.CONCURRENT_STREAM_STREAM:
-            return _run_concurrent_stream_stream(stub)
-        elif scenario is Scenario.CANCEL_UNARY_UNARY:
-            return _run_cancel_unary_unary(stub)
-        elif scenario is Scenario.INFINITE_REQUEST_STREAM:
-            return _run_infinite_request_stream(stub)
-    except grpc.RpcError as rpc_error:
-        return Outcome(Outcome.Kind.RPC_ERROR, rpc_error.code(),
-                       rpc_error.details())
-
-
 _IMPLEMENTATIONS = {
     Scenario.UNARY_UNARY: _run_unary_unary,
     Scenario.UNARY_STREAM: _run_unary_stream,