diff --git a/packages/grpc-native-core/tools/run_tests/artifacts/workflow.sh b/packages/grpc-native-core/tools/run_tests/artifacts/workflow.sh
deleted file mode 100644
index 20c5ec54..00000000
--- a/packages/grpc-native-core/tools/run_tests/artifacts/workflow.sh
+++ /dev/null
@@ -1,14 +0,0 @@
-#!/bin/sh
-# Copyright 2020 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
diff --git a/tools/release/kokoro/macos.cfg b/tools/release/kokoro/macos.cfg
deleted file mode 100644
index b52902e5..00000000
--- a/tools/release/kokoro/macos.cfg
+++ /dev/null
@@ -1,17 +0,0 @@
-# Copyright 2020 gRPC authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# Config file for Kokoro (in protobuf text format)
-
-build_file: "grpc-node/packages/grpc-native-core/tools/run_tests/artifacts/workflow.sh"