diff --git a/scripts/check_docs.py b/scripts/check_docs.py
index 25f9f9f3c27..68e61d2036d 100755
--- a/scripts/check_docs.py
+++ b/scripts/check_docs.py
@@ -16,10 +16,7 @@
         'allennlp.version',
 
         # No docs for custom extensions, which aren't even in python.
-        'allennlp.custom_extensions*',
-        'allennlp.custom_extensions._ext',
-        'allennlp.custom_extensions._ext.highway_lstm_layer',
-        'allennlp.custom_extensions.build',
+        'allennlp.custom_extensions.*',
 
         # No docs for tests, unnecessary info for users.
         'allennlp.tests.*',