diff --git a/.github/workflows/rhub.yaml b/.github/workflows/rhub.yaml
index 177f78461..35b13daa9 100644
--- a/.github/workflows/rhub.yaml
+++ b/.github/workflows/rhub.yaml
@@ -13,10 +13,7 @@ on:
   push:
     branch: rhub.yaml
     inputs:
-      config:
-        description: 'A comma separated list of R-hub platforms to use.'
-        type: string
-        default: 'clang-asan,valgrind'
+      config: 'clang-asan,valgrind'
   workflow_dispatch:
     inputs:
       config: