diff --git a/paddle/fluid/framework/ir/attention_lstm_fuse_pass.cc b/paddle/fluid/framework/ir/attention_lstm_fuse_pass.cc
index 2876de88f174b1fa4ce0eacb8687e15e723bf1fc..67372b7289fd31b097fbc125d379b84294069ed3 100644
--- a/paddle/fluid/framework/ir/attention_lstm_fuse_pass.cc
+++ b/paddle/fluid/framework/ir/attention_lstm_fuse_pass.cc
@@ -13,6 +13,9 @@
 // limitations under the License.
 
 #include "paddle/fluid/framework/ir/attention_lstm_fuse_pass.h"
+
+#include <string>
+
 #include "paddle/fluid/framework/ir/graph_pattern_detector.h"
 #include "paddle/fluid/framework/ir/graph_viz_pass.h"
 #include "paddle/fluid/framework/lod_tensor.h"
@@ -216,11 +219,11 @@ void PrepareLSTMWeight(const LoDTensor& W_forget_w0,
 
   float* out_data = out->mutable_data<float>(platform::CPUPlace());
   std::array<const float*, 4> tensors(
-      {W_forget_w0.data<float>(), W_input_w0.data<float>(),
-       W_output_w0.data<float>(), W_cell_w0.data<float>()});
+      {{W_forget_w0.data<float>(), W_input_w0.data<float>(),
+        W_output_w0.data<float>(), W_cell_w0.data<float>()}});
   std::array<const float*, 4> tensors1(
-      {W_forget_w1.data<float>(), W_input_w1.data<float>(),
-       W_output_w1.data<float>(), W_cell_w1.data<float>()});
+      {{W_forget_w1.data<float>(), W_input_w1.data<float>(),
+        W_output_w1.data<float>(), W_cell_w1.data<float>()}});
 
   for (int row = 0; row < D; row++) {
     for (int col = 0; col < 4; col++) {
@@ -243,8 +246,8 @@ void PrepareLSTMBias(const LoDTensor& B_forget, const LoDTensor& B_input,
                      const LoDTensor& B_output, const LoDTensor& B_cell,
                      LoDTensor* out) {
   std::array<const float*, 4> tensors(
-      {B_forget.data<float>(), B_input.data<float>(), B_output.data<float>(),
-       B_cell.data<float>()});
+      {{B_forget.data<float>(), B_input.data<float>(), B_output.data<float>(),
+        B_cell.data<float>()}});
 
   PADDLE_ENFORCE_EQ(B_forget.dims().size(), 1);
   int D = B_forget.dims()[0];
diff --git a/paddle/fluid/framework/ir/graph.h b/paddle/fluid/framework/ir/graph.h
index 55e495a0ed75c3a09703438dcfe01ca8f9d36118..ae8496204d4aeb88c04154d571325d440274e821 100644
--- a/paddle/fluid/framework/ir/graph.h
+++ b/paddle/fluid/framework/ir/graph.h
@@ -167,7 +167,6 @@ class Graph {
   std::map<std::string, std::function<void(void)>> attr_dels_;
   std::map<ir::Node *, std::unique_ptr<ir::Node>> nodes_;
   std::unordered_set<ir::Node *> node_set_;
-  int node_count_{0};
 };
 
 bool IsControlDepVar(const ir::Node &var);