diff --git a/tools/build_interface_docs.py b/tools/build_interface_docs.py
index 6fa518381e..37b99cb476 100755
--- a/tools/build_interface_docs.py
+++ b/tools/build_interface_docs.py
@@ -41,6 +41,7 @@
         '\.pipeline\.s3_node_wrapper$',
         '\.testing',
         '\.scripts',
+        '\.conftest',
     ]
     docwriter.class_skip_patterns += [
         'AFNICommand',