diff --git a/imperative/python/megengine/functional/__init__.py b/imperative/python/megengine/functional/__init__.py
index 79eda71c..d8a856cc 100644
--- a/imperative/python/megengine/functional/__init__.py
+++ b/imperative/python/megengine/functional/__init__.py
@@ -17,4 +17,4 @@ from . import distributed  # isort:skip
 
 # delete namespace
 # pylint: disable=undefined-variable
-del elemwise, math, tensor, utils  # type: ignore[name-defined]
+# del elemwise, math, tensor, utils  # type: ignore[name-defined]