diff --git a/slim/prune/compress.py b/slim/prune/compress.py
deleted file mode 100644
index ed2426df4fa7aa7b44e58f627a472a955851d303..0000000000000000000000000000000000000000
--- a/slim/prune/compress.py
+++ /dev/null
@@ -1,262 +0,0 @@
-# Copyright (c) 2019 PaddlePaddle Authors. 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.
-
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-
-import os
-import time
-import multiprocessing
-import numpy as np
-import sys
-sys.path.append("../../")
-from paddle.fluid.contrib.slim import Compressor
-
-
-def set_paddle_flags(**kwargs):
-    for key, value in kwargs.items():
-        if os.environ.get(key, None) is None:
-            os.environ[key] = str(value)
-
-
-# NOTE(paddle-dev): All of these flags should be set before
-# `import paddle`. Otherwise, it would not take any effect.
-set_paddle_flags(
-    FLAGS_eager_delete_tensor_gb=0,  # enable GC to save memory
-)
-
-from paddle import fluid
-from ppdet.core.workspace import load_config, merge_config, create
-from ppdet.data.data_feed import create_reader
-from ppdet.utils.eval_utils import parse_fetches, eval_results
-from ppdet.utils.cli import ArgsParser
-from ppdet.utils.check import check_gpu
-import ppdet.utils.checkpoint as checkpoint
-from ppdet.modeling.model_input import create_feed
-
-import logging
-FORMAT = '%(asctime)s-%(levelname)s: %(message)s'
-logging.basicConfig(level=logging.INFO, format=FORMAT)
-logger = logging.getLogger(__name__)
-
-
-def eval_run(exe, compile_program, reader, keys, values, cls, test_feed, cfg):
-    """
-    Run evaluation program, return program outputs.
-    """
-    iter_id = 0
-    results = []
-    if len(cls) != 0:
-        values = []
-        for i in range(len(cls)):
-            _, accum_map = cls[i].get_map_var()
-            cls[i].reset(exe)
-            values.append(accum_map)
-
-    images_num = 0
-    start_time = time.time()
-    has_bbox = 'bbox' in keys
-    for data in reader():
-        data = test_feed.feed(data)
-        feed_data = {'image': data['image'], 'im_size': data['im_size']}
-        outs = exe.run(compile_program,
-                       feed=feed_data,
-                       fetch_list=[values[0]],
-                       return_numpy=False)
-
-        if cfg.metric == 'VOC':
-            outs.append(data['gt_box'])
-            outs.append(data['gt_label'])
-            outs.append(data['is_difficult'])
-        elif cfg.metric == 'COCO':
-            outs.append(data['im_info'])
-            outs.append(data['im_id'])
-            outs.append(data['im_shape'])
-
-        res = {
-            k: (np.array(v), v.recursive_sequence_lengths())
-            for k, v in zip(keys, outs)
-        }
-        results.append(res)
-        if iter_id % 100 == 0:
-            logger.info('Test iter {}'.format(iter_id))
-        iter_id += 1
-        images_num += len(res['bbox'][1][0]) if has_bbox else 1
-    logger.info('Test finish iter {}'.format(iter_id))
-
-    end_time = time.time()
-    fps = images_num / (end_time - start_time)
-    if has_bbox:
-        logger.info('Total number of images: {}, inference time: {} fps.'.
-                    format(images_num, fps))
-    else:
-        logger.info('Total iteration: {}, inference time: {} batch/s.'.format(
-            images_num, fps))
-
-    return results
-
-
-def main():
-    cfg = load_config(FLAGS.config)
-    if 'architecture' in cfg:
-        main_arch = cfg.architecture
-    else:
-        raise ValueError("'architecture' not specified in config file.")
-
-    merge_config(FLAGS.opt)
-    if 'log_iter' not in cfg:
-        cfg.log_iter = 20
-
-    # check if set use_gpu=True in paddlepaddle cpu version
-    check_gpu(cfg.use_gpu)
-
-    if cfg.use_gpu:
-        devices_num = fluid.core.get_cuda_device_count()
-    else:
-        devices_num = int(
-            os.environ.get('CPU_NUM', multiprocessing.cpu_count()))
-
-    if 'train_feed' not in cfg:
-        train_feed = create(main_arch + 'TrainFeed')
-    else:
-        train_feed = create(cfg.train_feed)
-
-    if 'eval_feed' not in cfg:
-        eval_feed = create(main_arch + 'EvalFeed')
-    else:
-        eval_feed = create(cfg.eval_feed)
-
-    place = fluid.CUDAPlace(0) if cfg.use_gpu else fluid.CPUPlace()
-    exe = fluid.Executor(place)
-
-    lr_builder = create('LearningRate')
-    optim_builder = create('OptimizerBuilder')
-
-    # build program
-    startup_prog = fluid.Program()
-    train_prog = fluid.Program()
-    with fluid.program_guard(train_prog, startup_prog):
-        with fluid.unique_name.guard():
-            model = create(main_arch)
-            _, feed_vars = create_feed(train_feed, True)
-            train_fetches = model.train(feed_vars)
-            loss = train_fetches['loss']
-            lr = lr_builder()
-            optimizer = optim_builder(lr)
-            optimizer.minimize(loss)
-
-    train_reader = create_reader(train_feed, cfg.max_iters, FLAGS.dataset_dir)
-
-    # parse train fetches
-    train_keys, train_values, _ = parse_fetches(train_fetches)
-    train_keys.append("lr")
-    train_values.append(lr.name)
-
-    train_fetch_list = []
-    for k, v in zip(train_keys, train_values):
-        train_fetch_list.append((k, v))
-
-    eval_prog = fluid.Program()
-    with fluid.program_guard(eval_prog, startup_prog):
-        with fluid.unique_name.guard():
-            model = create(main_arch)
-            _, test_feed_vars = create_feed(eval_feed, True)
-            fetches = model.eval(test_feed_vars)
-
-    eval_prog = eval_prog.clone(True)
-
-    eval_reader = create_reader(eval_feed, args_path=FLAGS.dataset_dir)
-    test_data_feed = fluid.DataFeeder(test_feed_vars.values(), place)
-
-    # parse eval fetches
-    extra_keys = []
-    if cfg.metric == 'COCO':
-        extra_keys = ['im_info', 'im_id', 'im_shape']
-    if cfg.metric == 'VOC':
-        extra_keys = ['gt_box', 'gt_label', 'is_difficult']
-    eval_keys, eval_values, eval_cls = parse_fetches(fetches, eval_prog,
-                                                     extra_keys)
-    eval_fetch_list = []
-    for k, v in zip(eval_keys, eval_values):
-        eval_fetch_list.append((k, v))
-
-    exe.run(startup_prog)
-    checkpoint.load_params(exe, train_prog, cfg.pretrain_weights)
-
-    best_box_ap_list = []
-
-    def eval_func(program, scope):
-
-        #place = fluid.CPUPlace()
-        #exe = fluid.Executor(place)
-        results = eval_run(exe, program, eval_reader, eval_keys, eval_values,
-                           eval_cls, test_data_feed, cfg)
-
-        resolution = None
-        if 'mask' in results[0]:
-            resolution = model.mask_head.resolution
-        box_ap_stats = eval_results(results, eval_feed, cfg.metric,
-                                    cfg.num_classes, resolution, False,
-                                    FLAGS.output_eval)
-        if len(best_box_ap_list) == 0:
-            best_box_ap_list.append(box_ap_stats[0])
-        elif box_ap_stats[0] > best_box_ap_list[0]:
-            best_box_ap_list[0] = box_ap_stats[0]
-        logger.info("Best test box ap: {}".format(best_box_ap_list[0]))
-        return best_box_ap_list[0]
-
-    test_feed = [('image', test_feed_vars['image'].name),
-                 ('im_size', test_feed_vars['im_size'].name)]
-
-    com = Compressor(
-        place,
-        fluid.global_scope(),
-        train_prog,
-        train_reader=train_reader,
-        train_feed_list=[(key, value.name) for key, value in feed_vars.items()],
-        train_fetch_list=train_fetch_list,
-        eval_program=eval_prog,
-        eval_reader=eval_reader,
-        eval_feed_list=test_feed,
-        eval_func={'map': eval_func},
-        eval_fetch_list=[eval_fetch_list[0]],
-        save_eval_model=True,
-        prune_infer_model=[["image", "im_size"], ["multiclass_nms_0.tmp_0"]],
-        train_optimizer=None)
-    com.config(FLAGS.slim_file)
-    com.run()
-
-
-if __name__ == '__main__':
-    parser = ArgsParser()
-    parser.add_argument(
-        "-s",
-        "--slim_file",
-        default=None,
-        type=str,
-        help="Config file of PaddleSlim.")
-    parser.add_argument(
-        "--output_eval",
-        default=None,
-        type=str,
-        help="Evaluation directory, default is current directory.")
-    parser.add_argument(
-        "-d",
-        "--dataset_dir",
-        default=None,
-        type=str,
-        help="Dataset path, same as DataFeed.dataset.dataset_dir")
-    FLAGS = parser.parse_args()
-    main()
diff --git a/slim/prune/images/MobileNetV1-YoloV3.pdf b/slim/prune/images/MobileNetV1-YoloV3.pdf
deleted file mode 100644
index f5d3a22db5030ffc6beb1e7f8c92bddd61e366e6..0000000000000000000000000000000000000000
Binary files a/slim/prune/images/MobileNetV1-YoloV3.pdf and /dev/null differ
diff --git a/slim/prune/yolov3_mobilenet_v1_slim.yaml b/slim/prune/yolov3_mobilenet_v1_slim.yaml
deleted file mode 100644
index ff9859eafe5872dee13f33a3703502e334d1c85e..0000000000000000000000000000000000000000
--- a/slim/prune/yolov3_mobilenet_v1_slim.yaml
+++ /dev/null
@@ -1,23 +0,0 @@
-version: 1.0
-pruners:
-    pruner_1:
-        class: 'StructurePruner'
-        pruning_axis:
-            '*': 0
-        criterions:
-            '*': 'l1_norm'
-strategies:
-    uniform_pruning_strategy:
-        class: 'UniformPruneStrategy'
-        pruner: 'pruner_1'
-        start_epoch: 0
-        target_ratio: 0.5
-        pruned_params: '(conv2_1_sep_weights)|(conv2_2_sep_weights)|(conv3_1_sep_weights)|(conv4_1_sep_weights)|(conv5_1_sep_weights)|(conv5_2_sep_weights)|(conv5_3_sep_weights)|(conv5_4_sep_weights)|(conv5_5_sep_weights)|(conv5_6_sep_weights)|(yolo_block.0.0.0.conv.weights)|(yolo_block.0.0.1.conv.weights)|(yolo_block.0.1.0.conv.weights)|(yolo_block.0.1.1.conv.weights)|(yolo_block.1.0.0.conv.weights)|(yolo_block.1.0.1.conv.weights)|(yolo_block.1.1.0.conv.weights)|(yolo_block.1.1.1.conv.weights)|(yolo_block.1.2.conv.weights)|(yolo_block.2.0.0.conv.weights)|(yolo_block.2.0.1.conv.weights)|(yolo_block.2.1.1.conv.weights)|(yolo_block.2.2.conv.weights)|(yolo_block.2.tip.conv.weights)'
-        metric_name: 'acc_top1'
-compressor:
-    epoch: 271
-    eval_epoch: 10
-    #init_model: './checkpoints/0' # Please enable this option for loading checkpoint.
-    checkpoint_path: './checkpoints/'
-    strategies:
-        - uniform_pruning_strategy