1 files changed, 1 insertions, 1 deletions
diff --git a/tools/internal_ci/linux/sanitizer/pull_request/grpc_c_msan.cfg b/tools/internal_ci/linux/sanitizer/pull_request/grpc_c_msan.cfg
index d5ba2031fc..ba651d357c 100644
--- a/tools/internal_ci/linux/sanitizer/pull_request/grpc_c_msan.cfg
+++ b/tools/internal_ci/linux/sanitizer/pull_request/grpc_c_msan.cfg
@@ -27,5 +27,5 @@ action {
 
 env_vars {
   key: "RUN_TESTS_FLAGS"
-  value: "-f c msan --inner_jobs 16 -j 1 --internal_ci --filter_pr_tests --base_branch origin/master --max_time=3600"
+  value: "-f c msan --inner_jobs 16 -j 1 --internal_ci --max_time=3600"
 }