diff --git a/src/gausskernel/optimizer/path/streampath_base.cpp b/src/gausskernel/optimizer/path/streampath_base.cpp
index 45cf4b2aa..65a224e05 100755
--- a/src/gausskernel/optimizer/path/streampath_base.cpp
+++ b/src/gausskernel/optimizer/path/streampath_base.cpp
@@ -967,8 +967,6 @@ Path* JoinPathGenBase::streamSidePath(bool stream_outer)
             smpDesc,
             ssinfo);
     }
-
-    return NULL;
 }
 
 /*