diff --git a/Documentation/conf.py b/Documentation/conf.py
index 8702f175983..3edc99c5db1 100644
--- a/Documentation/conf.py
+++ b/Documentation/conf.py
@@ -73,7 +73,7 @@ templates_path = ["_templates"]
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
 # This pattern also affects html_static_path and html_extra_path.
-exclude_patterns = ["_build", "Thumbs.db", ".DS_Store"]
+exclude_patterns = ["_build", "Thumbs.db", ".DS_Store", "legacy_README.md"]
 
 # list of documentation versions to offer (besides latest). this will be
 # overridden by command line option but we can provide a sane default