diff --git a/.github/workflows/alpha.yml b/.github/workflows/alpha.yml
index b08594b..7322613 100644
--- a/.github/workflows/alpha.yml
+++ b/.github/workflows/alpha.yml
@@ -3,8 +3,6 @@ name: Alpha CI
 on:
   push:
     branches: [alpha]
-  pull_request:
-    branches: [alpha]
 
 env:
   CARGO_INCREMENTAL: 0