diff --git a/volatility3/framework/__init__.py b/volatility3/framework/__init__.py
index 51310bfa2..4c09b4dae 100644
--- a/volatility3/framework/__init__.py
+++ b/volatility3/framework/__init__.py
@@ -164,7 +164,6 @@ def _filter_files(filename: str):
     return (
         filename.endswith(".py")
         or filename.endswith(".pyc")
-        or filename.endswith(".pyo")
     ) and not filename.startswith("__")