diff --git a/.buildkite/pipeline.yml b/.buildkite/pipeline.yml
index 315283ba80e..1acf356a1af 100644
--- a/.buildkite/pipeline.yml
+++ b/.buildkite/pipeline.yml
@@ -80,9 +80,11 @@ steps:
       manual:
         allowed: true
 
+  # Runs only on the main branch
   - label: "Unit tests - MacOS 13 ARM"
     key: "unit-tests-macos-13-arm"
     command: ".buildkite/scripts/steps/unit-tests.sh"
+    branches: main
     artifact_paths:
       - "build/TEST-**"
       - "build/diagnostics/*"
@@ -119,7 +121,6 @@ steps:
       unit-tests-win2016
       unit-tests-win2022
       unit-tests-macos-13
-      unit-tests-macos-13-arm
       "
     artifact_paths:
       - "build/TEST-**"