diff --git a/docs/pre.sh b/docs/pre.sh
index e5a0f9fe1..c52b14847 100755
--- a/docs/pre.sh
+++ b/docs/pre.sh
@@ -11,4 +11,4 @@ done
 
 cat ../x/README.md | sed 's/\.\/x/\/modules/g' | sed 's/spec\/README.md//g' | sed 's/\.\.\/docs\/building-modules\/README\.md/\/building-modules\/intro\.html/g' > ./modules/README.md
 
-plantuml -tsvg uml/*.puml
+# plantuml -tsvg uml/*.puml