diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 32bfc7170b9..231bb971713 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,6 @@ name: CI
       - try
       - try-perf
       - automation/bors/try
-      - master
   pull_request:
     branches:
       - "**"
diff --git a/src/ci/github-actions/ci.yml b/src/ci/github-actions/ci.yml
index 0439b053fda..98b27950fbb 100644
--- a/src/ci/github-actions/ci.yml
+++ b/src/ci/github-actions/ci.yml
@@ -62,7 +62,6 @@ on:
       - try
       - try-perf
       - automation/bors/try
-      - master
   pull_request:
     branches:
       - "**"