diff --git a/contrib/html.sh b/contrib/html.sh
index 03eba23d..8a573c2d 100755
--- a/contrib/html.sh
+++ b/contrib/html.sh
@@ -13,7 +13,8 @@ sed \
markdown -f toc,idanchor "${1}" | sed \
-e 's/href="\([-_\./[:alnum:]]*\)\.md\(#[-[:alnum:]]*\)\?"/href="\1.html\2"/g' \
-e '/| id="\L\1">|' \
- -e '//s|pre|pre class="code" onclick="CopyToClipboard(this)"|g' \
-e '/The above link may be broken on code hosting sites/s|blockquote|blockquote style="display: none;"|'