diff --git a/tools/internal_ci/helper_scripts/gen_report_index.sh b/tools/internal_ci/helper_scripts/gen_report_index.sh
deleted file mode 100755
index 576ff67d543..00000000000
--- a/tools/internal_ci/helper_scripts/gen_report_index.sh
+++ /dev/null
@@ -1,35 +0,0 @@
-#!/usr/bin/env bash
-# Copyright 2017 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.
-#
-# Generates index.html that will contain links to various test results on kokoro.
-set -e
-
-# change to grpc repo root
-cd $(dirname $0)/../../..
-
-# Kororo URLs are in the form "grpc/job/macos/job/master/job/grpc_build_artifacts"
-KOKORO_JOB_PATH=$(echo "${KOKORO_JOB_NAME}" | sed "s|/|/job/|g")
-
-mkdir -p reports
-
-echo '
' > reports/kokoro_index.html
-echo ''${KOKORO_JOB_NAME}', build '#${KOKORO_BUILD_NUMBER}'
' >> reports/kokoro_index.html
-echo '' >> reports/kokoro_index.html
-echo '' >> reports/kokoro_index.html
-echo '' >> reports/kokoro_index.html
-echo '' >> reports/kokoro_index.html
-echo '' >> reports/kokoro_index.html
-
-echo 'Created reports/kokoro_index.html report index'
diff --git a/tools/internal_ci/helper_scripts/prepare_build_linux_rc b/tools/internal_ci/helper_scripts/prepare_build_linux_rc
index 74bbc85d72c..992c54008c5 100644
--- a/tools/internal_ci/helper_scripts/prepare_build_linux_rc
+++ b/tools/internal_ci/helper_scripts/prepare_build_linux_rc
@@ -15,8 +15,6 @@
# Source this rc script to prepare the environment for linux builds
-tools/internal_ci/helper_scripts/gen_report_index.sh
-
# Need to increase open files limit for c tests
ulimit -n 32768
diff --git a/tools/internal_ci/helper_scripts/prepare_build_macos_rc b/tools/internal_ci/helper_scripts/prepare_build_macos_rc
index 3a09701a30b..47c1d4b103c 100644
--- a/tools/internal_ci/helper_scripts/prepare_build_macos_rc
+++ b/tools/internal_ci/helper_scripts/prepare_build_macos_rc
@@ -15,8 +15,6 @@
# Source this rc script to prepare the environment for macos builds
-tools/internal_ci/helper_scripts/gen_report_index.sh
-
sudo launchctl limit maxfiles unlimited unlimited
# show current maxfiles
diff --git a/tools/internal_ci/helper_scripts/prepare_build_windows.bat b/tools/internal_ci/helper_scripts/prepare_build_windows.bat
index f625755db9f..9fa68602264 100644
--- a/tools/internal_ci/helper_scripts/prepare_build_windows.bat
+++ b/tools/internal_ci/helper_scripts/prepare_build_windows.bat
@@ -16,8 +16,6 @@
@rem set path to python 2.7
set PATH=C:\tools\msys64\usr\bin;C:\Python27;%PATH%
-bash tools/internal_ci/helper_scripts/gen_report_index.sh
-
@rem If this is a PR using RUN_TESTS_FLAGS var, then add flags to filter tests
if defined KOKORO_GITHUB_PULL_REQUEST_NUMBER if defined RUN_TESTS_FLAGS (
chocolatey install -y jq