diff --git a/python/ray/__init__.py b/python/ray/__init__.py
index d5bed36d1..115d6469c 100644
--- a/python/ray/__init__.py
+++ b/python/ray/__init__.py
@@ -130,7 +130,6 @@ __all__ = [
     "util",
     "wait",
     "LOCAL_MODE",
-    "PYTHON_MODE",
     "SCRIPT_MODE",
     "WORKER_MODE",
 ]