diff --git a/.github/workflows/run_microbenchmarks.yml b/.github/workflows/run_microbenchmarks.yml
index 2e47106ebe..3c21afa35b 100644
--- a/.github/workflows/run_microbenchmarks.yml
+++ b/.github/workflows/run_microbenchmarks.yml
@@ -2,7 +2,6 @@ name: Microbenchmarks-Perf-Nightly
 # Dashboard: https://hud.pytorch.org/benchmark/llms?repoName=pytorch%2Fao&benchmarkName=micro-benchmark+api
 
 on:
-  pull_request:
   push:
     tags:
       - ciflow/benchmark/*