diff --git a/test/distrib/csharp/run_distrib_test.sh b/test/distrib/csharp/run_distrib_test.sh
index 45911cd91a7..824e33e2876 100755
--- a/test/distrib/csharp/run_distrib_test.sh
+++ b/test/distrib/csharp/run_distrib_test.sh
@@ -27,6 +27,3 @@ nuget restore || nuget restore || nuget restore
 msbuild DistribTest.sln
 
 mono DistribTest/bin/Debug/DistribTest.exe
-
-# test that codegen work
-test_codegen/test_codegen.sh
diff --git a/test/distrib/csharp/test_codegen/test_codegen.sh b/test/distrib/csharp/test_codegen/test_codegen.sh
deleted file mode 100755
index fa101889f68..00000000000
--- a/test/distrib/csharp/test_codegen/test_codegen.sh
+++ /dev/null
@@ -1,38 +0,0 @@
-#!/bin/bash
-# Copyright 2018 The 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.
-
-set -ex
-
-cd "$(dirname "$0")"
-
-ls -lR "../packages/Grpc.Tools.__GRPC_NUGET_VERSION__/tools"
-
-PLATFORM_ARCH=linux_x64
-if [ "$(uname)" == "Darwin" ]
-then
-  PLATFORM_ARCH=macosx_x64
-elif [ "$(getconf LONG_BIT)" == "32" ]
-then
-  PLATFORM_ARCH=linux_x86
-fi
-
-PROTOC=../packages/Grpc.Tools.__GRPC_NUGET_VERSION__/tools/${PLATFORM_ARCH}/protoc
-PLUGIN=../packages/Grpc.Tools.__GRPC_NUGET_VERSION__/tools/${PLATFORM_ARCH}/grpc_csharp_plugin
-
-"${PROTOC}" --plugin="protoc-gen-grpc=${PLUGIN}" --csharp_out=. --grpc_out=. -I . testcodegen.proto
-
-ls ./*.cs
-
-echo 'Code generation works.'
diff --git a/test/distrib/csharp/test_codegen/testcodegen.proto b/test/distrib/csharp/test_codegen/testcodegen.proto
deleted file mode 100644
index 5c228b81dba..00000000000
--- a/test/distrib/csharp/test_codegen/testcodegen.proto
+++ /dev/null
@@ -1,29 +0,0 @@
-// Copyright 2018 The 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.
-
-syntax = "proto3";
-
-package testcodegen;
-
-service Greeter {
-  rpc SayHello (HelloRequest) returns (HelloReply) {}
-}
-
-message HelloRequest {
-  string name = 1;
-}
-
-message HelloReply {
-  string message = 1;
-}
diff --git a/test/distrib/csharp/update_version.sh b/test/distrib/csharp/update_version.sh
index 0e47ed3abd5..9759cc56481 100755
--- a/test/distrib/csharp/update_version.sh
+++ b/test/distrib/csharp/update_version.sh
@@ -28,4 +28,4 @@ then
 fi
 
 # Replaces version placeholder with value provided as first argument.
-sed -ibak "s/__GRPC_NUGET_VERSION__/${CSHARP_VERSION}/g" DistribTest/packages.config DistribTest/DistribTest.csproj DistribTest/DistribTestDotNet.csproj test_codegen/test_codegen.sh
+sed -ibak "s/__GRPC_NUGET_VERSION__/${CSHARP_VERSION}/g" DistribTest/packages.config DistribTest/DistribTest.csproj DistribTest/DistribTestDotNet.csproj