diff --git a/.github/workflows/container-prune.yml b/.github/workflows/container-prune.yml
index 4e173679..b8a3161b 100644
--- a/.github/workflows/container-prune.yml
+++ b/.github/workflows/container-prune.yml
@@ -1,7 +1,6 @@
 name: Container Registry Prune
 
 on:
-  pull_request:
   schedule:
     - cron: '0 3 * * 0' # Weekly: Sundays at 03:00 UTC
   workflow_dispatch: