diff --git a/imperative/src/impl/mgb_cg_impl.h b/imperative/src/impl/mgb_cg_impl.h
new file mode 100644
index 0000000000000000000000000000000000000000..8c10fc0d1ff4a81dcd5efb5893267dd83d9023e4
--- /dev/null
+++ b/imperative/src/impl/mgb_cg_impl.h
@@ -0,0 +1 @@
+#include "../../../src/core/impl/graph/cg_impl.h"
diff --git a/imperative/src/impl/mgb_core_impl b/imperative/src/impl/mgb_core_impl
deleted file mode 120000
index 71d5fae4224c91376e68b97047a53470f3c940d9..0000000000000000000000000000000000000000
--- a/imperative/src/impl/mgb_core_impl
+++ /dev/null
@@ -1 +0,0 @@
-../../../src/core/impl
\ No newline at end of file
diff --git a/imperative/src/impl/opr_utility.cpp b/imperative/src/impl/opr_utility.cpp
index 3206e50a44f4feca505acb3f3424d154ee06aa1b..645521894a763d22b76306589053e4cbced5a7f0 100644
--- a/imperative/src/impl/opr_utility.cpp
+++ b/imperative/src/impl/opr_utility.cpp
@@ -10,7 +10,7 @@
  */
 
 #include "megbrain/imperative/opr_utility.h"
-#include "./mgb_core_impl/graph/cg_impl.h"
+#include "./mgb_cg_impl.h"
 
 // FIXME; setup_config_cn is copied from src/opr/impl/utility.cpp
 namespace {