diff --git a/.github/workflows/build.sh b/.github/workflows/build.sh
index 8df3cc459c4..4713fa00e49 100755
--- a/.github/workflows/build.sh
+++ b/.github/workflows/build.sh
@@ -37,6 +37,7 @@ else
 fi
 
 mdbook build -d "$dest_dir"
+sed -i '/<!-- MARKER_START -->./../../theme/redbox.js<!-- MARKER_END -->/d' ./../../theme/redbox.js
 if [ -f "$dest_dir/pandoc/pdf/comprehensive-rust.pdf" ]; then
     mv "$dest_dir/pandoc/pdf/comprehensive-rust.pdf" "$dest_dir/html/"
 fi