diff --git a/.github/workflows/latexdiff.yml b/.github/workflows/latexdiff.yml
index 43aceef..90ac205 100644
--- a/.github/workflows/latexdiff.yml
+++ b/.github/workflows/latexdiff.yml
@@ -6,11 +6,9 @@ on:
       base_branch:
         description: 'Base branch (older version)'
         required: true
-        default: 'main'
       compare_branch:
         description: 'Compare branch (new version)'
         required: true
-        default: 'dev'
 
 jobs:
   latexdiff: