diff --git a/src/framework/op_registry.h b/src/framework/op_registry.h
index a76cc7e4910d1639a10fcc839e9073a837fd89f5..8a7beae993be1a9f2a52fb48d4930754aba784e1 100644
--- a/src/framework/op_registry.h
+++ b/src/framework/op_registry.h
@@ -45,7 +45,6 @@ struct OperatorRegistrar : public Registrar {
           << "OperatorRegistrar should be invoked at least by OpClass";
       return;
     }
-    printf(" regis ting %s \n", op_type.c_str());
     OpInfo<Dtype> info;
     OperatorRegistrarRecursive<Dtype, 0, false, ARGS...>(op_type, &info);
     OpInfoMap<Dtype>::Instance()->Insert(op_type, info);
@@ -108,7 +107,6 @@ class OpRegistry {
       __op_registrar_##op_type##_##device_name(#op_type);                  \
   int TouchOpRegistrar_##op_type##_##device_name() {                       \
     __op_registrar_##op_type##_##device_name.Touch();                      \
-    printf(" registering !! \n");                                          \
     return 0;                                                              \
   }
 
diff --git a/src/io/loader.cpp b/src/io/loader.cpp
index f3b19abbe17c3d5e8b5cc082a115c05058aa0219..51e007a6ab4bce415628649a40f711903bceee92 100644
--- a/src/io/loader.cpp
+++ b/src/io/loader.cpp
@@ -21,7 +21,6 @@ namespace paddle_mobile {
 using framework::Variable;
 
 static size_t ReadBuffer(const char *file_name, uint8_t **out) {
-  printf("%s \n", file_name);
   FILE *fp;
   fp = fopen(file_name, "rb");
   PADDLE_MOBILE_ENFORCE(fp != NULL, " %s open failed !", file_name);
diff --git a/src/operators/kernel/central-arm-func/batchnorm_arm_func.h b/src/operators/kernel/central-arm-func/batchnorm_arm_func.h
index 2845e5f8b7d18e1c446e0eac73e730b59f9e4550..b2af17eb4aaf0a7ef98442f589162a3b6f371a3b 100644
--- a/src/operators/kernel/central-arm-func/batchnorm_arm_func.h
+++ b/src/operators/kernel/central-arm-func/batchnorm_arm_func.h
@@ -229,7 +229,7 @@ void BatchnormCompute(const BatchNormParam &param) {
 
     delete[] inv_std_ptr;
   }
-#endif
+#else
   float *inv_std_ptr = new float[C];
   for (int i = 0; i < C; i++) {
     inv_std_ptr[i] =
@@ -260,6 +260,7 @@ void BatchnormCompute(const BatchNormParam &param) {
     }
   }
   delete[] inv_std_ptr;
+#endif
 }
 
 }  // namespace operators