diff --git a/tests/test_build_html.py b/tests/test_build_html.py
index c11ad6887..24a802b4a 100644
--- a/tests/test_build_html.py
+++ b/tests/test_build_html.py
@@ -38,7 +38,6 @@ with "\\?": b?'here: >>>(\\\\|/)xbb<<<'
 
 HTML_WARNINGS = ENV_WARNINGS + """\
 %(root)s/images.txt:20: WARNING: no matching candidate for image URI u'foo.\\*'
-%(root)s/markup.txt:269: WARNING: Could not parse literal_block as "c". highlighting skipped.
 %(root)s/footnote.txt:60: WARNING: citation not found: missing
 %(root)s/markup.txt:158: WARNING: unknown option: &option
 """
diff --git a/tests/test_build_latex.py b/tests/test_build_latex.py
index c4a887d44..9150d0fb1 100644
--- a/tests/test_build_latex.py
+++ b/tests/test_build_latex.py
@@ -27,7 +27,6 @@ LATEX_WARNINGS = ENV_WARNINGS + """\
 %(root)s/markup.txt:158: WARNING: unknown option: &option
 %(root)s/footnote.txt:60: WARNING: citation not found: missing
 %(root)s/images.txt:20: WARNING: no matching candidate for image URI u'foo.\\*'
-%(root)s/markup.txt:269: WARNING: Could not parse literal_block as "c". highlighting skipped.
 """
 
 if PY3: