diff --git a/.github/workflows/dispatch.yml b/.github/workflows/dispatch.yml
index c34d04e0..f539aadb 100644
--- a/.github/workflows/dispatch.yml
+++ b/.github/workflows/dispatch.yml
@@ -1,12 +1,6 @@
 name: Trigger build of Docker image
 
-on:
-  workflow_dispatch:
-    inputs:
-      branch:
-        description: 'Branch to build'
-        required: true
-        default: 'main'
+on: workflow_dispatch
 
 env:
   REGISTRY: ghcr.io