diff --git a/document/core/Makefile b/document/core/Makefile
index 90cd7ae0ea..67ce899442 100644
--- a/document/core/Makefile
+++ b/document/core/Makefile
@@ -126,7 +126,6 @@ bikeshed:
$(SPHINXBUILD) -b singlehtml -c util/bikeshed \
$(ALLSPHINXOPTS) $(BUILDDIR)/bikeshed_singlehtml
mkdir -p $(BUILDDIR)/bikeshed_mathjax/
- cp index.bs $(BUILDDIR)/bikeshed_mathjax/
bikeshed spec index.bs $(BUILDDIR)/bikeshed_mathjax/index.html
mkdir -p $(BUILDDIR)/html/bikeshed/
python util/mathjax2katex.py $(BUILDDIR)/bikeshed_mathjax/index.html \
diff --git a/document/core/util/mathjax2katex.py b/document/core/util/mathjax2katex.py
index ae2bab5e95..063667f006 100755
--- a/document/core/util/mathjax2katex.py
+++ b/document/core/util/mathjax2katex.py
@@ -137,8 +137,8 @@ def ExtractMath(match):
# Bad duplicate meta.
data = ''.join(data.rsplit(
'', 1))
- # Drop all scripts.
- data = re.sub(']*>[^<]*', '', data)
+ # Drop several scripts.
+ data = re.sub(']*text/javascript[^>]*>[^<]*', '', data)
data = data.replace(
'\n', '\n')
# Drop duplicate title.