[libc++] [docs] Exclude helper files from Sphinx configuration to avoid generating empty pages.
diff --git a/libcxx/docs/conf.py b/libcxx/docs/conf.py
index dee50d4..95cd98b 100644
--- a/libcxx/docs/conf.py
+++ b/libcxx/docs/conf.py
@@ -63,7 +63,7 @@
# List of patterns, relative to source directory, that match files and
# directories to ignore when looking for source files.
-exclude_patterns = ['_build']
+exclude_patterns = ['_build', 'Helpers']
# The reST default role (used for this markup: `text`) to use for all documents.
#default_role = None
