diff --git a/mace/core/runtime/hexagon/hexagon_controller_dummy.cc b/mace/core/runtime/hexagon/hexagon_controller_dummy.cc
deleted file mode 100644
index 4118e3bbb753a03319e25c5ef78e9d148d55912c..0000000000000000000000000000000000000000
--- a/mace/core/runtime/hexagon/hexagon_controller_dummy.cc
+++ /dev/null
@@ -1,164 +0,0 @@
-// Copyright 2018 Xiaomi, Inc.  All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include "mace/core/runtime/hexagon/hexagon_controller.h"
-#include "mace/core/runtime/hexagon/hexagon_nn.h"
-
-int hexagon_controller_InitHexagonWithMaxAttributes(int enable_dcvs,
-                                                    int bus_usage) {
-  return 0;
-}
-
-int hexagon_controller_DeInitHexagon() { return 0; }
-
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_config)(void)
-    __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_init)(void)
-    __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_set_debug_level)(
-    hexagon_nn_nn_id id, int level) __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_set_graph_mode)(
-    hexagon_nn_nn_id id, int mode) __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_snpprint)(hexagon_nn_nn_id id,
-                                                            unsigned char *buf,
-                                                            int bufLen)
-    __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_getlog)(hexagon_nn_nn_id id,
-                                                          unsigned char *buf,
-                                                          int bufLen)
-    __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_append_node)(
-    hexagon_nn_nn_id id,
-    unsigned int node_id,
-    unsigned int operation,
-    hexagon_nn_padding_type padding,
-    const hexagon_nn_input *inputs,
-    int inputsLen,
-    const hexagon_nn_output *outputs,
-    int outputsLen) __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_append_node_list)(
-    hexagon_nn_nn_id id,
-    const hexagon_nn_op_node *ops,
-    int opsLen) __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_append_const_node)(
-    hexagon_nn_nn_id id,
-    unsigned int node_id,
-    unsigned int batches,
-    unsigned int height,
-    unsigned int width,
-    unsigned int depth,
-    const unsigned char *data,
-    int dataLen) __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_append_const_node_list)(
-    hexagon_nn_nn_id id,
-    const hexagon_nn_const_node *consts,
-    int constsLen) __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_prepare)(hexagon_nn_nn_id id)
-    __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_execute)(
-    hexagon_nn_nn_id id,
-    unsigned int batches_in,
-    unsigned int height_in,
-    unsigned int width_in,
-    unsigned int depth_in,
-    const unsigned char *data_in,
-    int data_inLen,
-    unsigned int *batches_out,
-    unsigned int *height_out,
-    unsigned int *width_out,
-    unsigned int *depth_out,
-    unsigned char *data_out,
-    int data_outLen,
-    unsigned int *data_len_out) __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_teardown)(hexagon_nn_nn_id id)
-    __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_set_powersave_level)(
-    unsigned int level) __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_get_perfinfo)(
-    hexagon_nn_nn_id id,
-    hexagon_nn_perfinfo *info_out,
-    int info_outLen,
-    unsigned int *n_items) __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_reset_perfinfo)(
-    hexagon_nn_nn_id id, unsigned int event) __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_last_execution_cycles)(
-    hexagon_nn_nn_id id,
-    unsigned int *cycles_lo,
-    unsigned int *cycles_hi) __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_version)(int *ver)
-    __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_op_name_to_id)(
-    const char *name, unsigned int *node_id) __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_op_id_to_name)(
-    unsigned int node_id, char *name, int nameLen) __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_disable_dcvs)(void)
-    __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_GetHexagonBinaryVersion)(
-    int *ver) __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_PrintLog)(
-    const unsigned char *buf, int bufLen) __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
-__QAIC_HEADER_EXPORT int __QAIC_HEADER(hexagon_nn_execute_new)(
-    hexagon_nn_nn_id id,
-    const hexagon_nn_tensordef *inputs,
-    int inputsLen,
-    hexagon_nn_tensordef *outputs,
-    int outputsLen) __QAIC_HEADER_ATTRIBUTE {
-  return 0;
-}
diff --git a/tools/mace_tools.py b/tools/mace_tools.py
index 37931bcb1bbface52613b6484b6772512a4f464f..f475374e35103fa0c37d4dd22a0bfb5df66bd5b2 100644
--- a/tools/mace_tools.py
+++ b/tools/mace_tools.py
@@ -124,7 +124,7 @@ def model_benchmark_stdout_processor(stdout,
     device_type = props.get("ro.product.model", "")
     target_soc = props.get("ro.board.platform", "")
 
-    report_filename = "build/report.csv"
+    report_filename = FLAGS.output_dir + "/report.csv"
     if not os.path.exists(report_filename):
         with open(report_filename, 'w') as f:
             f.write("model_name,device_type,soc,abi,runtime,create_net,"