diff --git a/python/tvm/dlight/gpu/low_batch_gemv.py b/python/tvm/dlight/gpu/low_batch_gemv.py
index 1c27fdfb133a..84a9319248c5 100644
--- a/python/tvm/dlight/gpu/low_batch_gemv.py
+++ b/python/tvm/dlight/gpu/low_batch_gemv.py
@@ -295,7 +295,7 @@ def apply(  # pylint: disable=too-many-locals,too-many-branches,too-many-return-
             )
             return sch
         else:
-            raise NotImplementedError("Outer reduction is not supported yet")
+            return None
 
     def sch_inner_reduction(  # pylint: disable=too-many-arguments, invalid-name, unused-argument
         self,