diff --git a/lite/src/mge/network_impl.cpp b/lite/src/mge/network_impl.cpp
index a7719520..58eb463e 100644
--- a/lite/src/mge/network_impl.cpp
+++ b/lite/src/mge/network_impl.cpp
@@ -660,8 +660,10 @@ void NetworkImplDft::set_io(const NetworkIO& network_io) {
 }
 
 void NetworkImplDft::try_infer_tensor_layout(std::shared_ptr<Tensor> tensor, Var var) {
-    if (var.node()->capable_shape_infer()) {
-        auto&& static_infer_mgr = m_load_config.comp_graph->static_infer_manager();
+    using InferType = mgb::cg::static_infer::InferType;
+    auto&& static_infer_mgr = m_load_config.comp_graph->static_infer_manager();
+    if (static_infer_mgr.get_infer_type(var.node()).shape &
+        (InferType::CONST | InferType::RT_STATIC)) {
         auto shape = static_infer_mgr.infer_shape_fallible(var.node());
         if (!shape) {
             LITE_WARN(
diff --git a/src/core/impl/graph/var_node.cpp b/src/core/impl/graph/var_node.cpp
index 863354ee..1380acef 100644
--- a/src/core/impl/graph/var_node.cpp
+++ b/src/core/impl/graph/var_node.cpp
@@ -596,18 +596,6 @@ bool VarNode::is_graph_dest_varnode() {
     return ComputingGraphImpl::downcast(owner_graph())->var_receiver(this).size() == 0;
 }
 
-bool VarNode::capable_shape_infer() {
-    auto&& mgr =
-            ComputingGraphImpl::downcast(owner_graph())->static_infer_manager_impl();
-    return mgr.has_shape_infer(this);
-}
-
-bool VarNode::capable_value_infer() {
-    auto&& mgr =
-            ComputingGraphImpl::downcast(owner_graph())->static_infer_manager_impl();
-    return mgr.has_value_infer(this);
-}
-
 VarNode& VarNode::add_flag(Flag flag) {
     modify_flag(flag, m_flag | flag);
     return *this;
diff --git a/src/core/include/megbrain/graph/var_node.h b/src/core/include/megbrain/graph/var_node.h
index e5778456..3b84c378 100644
--- a/src/core/include/megbrain/graph/var_node.h
+++ b/src/core/include/megbrain/graph/var_node.h
@@ -488,16 +488,6 @@ public:
     MGE_WIN_DECLSPEC_FUC MemAllocPlan& init_mem_plan(
             const DeviceTensorND* fixed_alloc = nullptr);
 
-    /*!
-     * \brief check infer shape capablity by check m_static_infer_trait's shape infer
-     */
-    MGE_WIN_DECLSPEC_FUC bool capable_shape_infer();
-
-    /*!
-     * \brief check infer shape capablity by check m_static_infer_trait's value infer
-     */
-    MGE_WIN_DECLSPEC_FUC bool capable_value_infer();
-
     //! whether the var is graph output, if it is output, the Flag of
     //! NO_SYS_MEM_ALLOC can be modified.
     MGE_WIN_DECLSPEC_FUC bool is_graph_dest_varnode();