diff --git a/tools/internal_ci/helper_scripts/prepare_build_linux_rc b/tools/internal_ci/helper_scripts/prepare_build_linux_rc
index 9ed9280585200..79baf05f29940 100644
--- a/tools/internal_ci/helper_scripts/prepare_build_linux_rc
+++ b/tools/internal_ci/helper_scripts/prepare_build_linux_rc
@@ -38,7 +38,7 @@ fi
 
 git submodule update --init
 
-python3 -m pip install six Mako
+python3 -m pip install six
 
 # Allows the test driver to spin up a GDB subprocess and have it attach to
 # another subprocess of the test driver.
diff --git a/tools/run_tests/artifacts/build_artifact_php.sh b/tools/run_tests/artifacts/build_artifact_php.sh
index e7f94b50caaec..dd242d1c2589a 100755
--- a/tools/run_tests/artifacts/build_artifact_php.sh
+++ b/tools/run_tests/artifacts/build_artifact_php.sh
@@ -17,8 +17,6 @@ set -ex
 
 cd "$(dirname "$0")/../../.."
 
-if [ -f ./generate_artifacts.sh ]; then ./generate_artifacts.sh; fi
-
 mkdir -p "${ARTIFACTS_OUT}"
 
 # Build the PHP extension archive (this just zips all the files up)