diff --git a/.github/workflows/compile-examples.yml b/.github/workflows/compile-examples.yml
index 28e48bb07..791837157 100644
--- a/.github/workflows/compile-examples.yml
+++ b/.github/workflows/compile-examples.yml
@@ -159,7 +159,6 @@ jobs:
         with:
           repository: arduino/ArduinoCore-API
           # as specified at https://github.com/arduino/ArduinoCore-mbed/blob/master/README.md#installation
-          ref: namespace_arduino
           path: ${{ env.ARDUINOCORE_API_STAGING_PATH }}
 
       - name: Install ArduinoCore-API