diff --git a/config/rest/config_reader/reader_impl/default_config_reader.go b/config/rest/config_reader/reader_impl/default_config_reader.go
deleted file mode 100644
index 89cf247483485092057c505c9b80eae0e6d23f8f..0000000000000000000000000000000000000000
--- a/config/rest/config_reader/reader_impl/default_config_reader.go
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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.
- */
-
-package reader_impl
-
-import (
-	"os"
-)
-
-import (
-	perrors "github.com/pkg/errors"
-)
-
-import (
-	"github.com/apache/dubbo-go/common/constant"
-	"github.com/apache/dubbo-go/common/extension"
-	"github.com/apache/dubbo-go/common/yaml"
-	"github.com/apache/dubbo-go/config/rest"
-	"github.com/apache/dubbo-go/config/rest/config_reader"
-)
-
-var (
-	defaultConfigReader *DefaultConfigReader
-)
-
-func init() {
-	extension.SetRestConfigReader(constant.DEFAULT_KEY, GetDefaultConfigReader)
-}
-
-type DefaultConfigReader struct {
-}
-
-func NewDefaultConfigReader() *DefaultConfigReader {
-	return &DefaultConfigReader{}
-}
-
-func (dcr *DefaultConfigReader) ReadConsumerConfig() (*rest.RestConsumerConfig, error) {
-	confConFile := os.Getenv(constant.CONF_CONSUMER_FILE_PATH)
-	if len(confConFile) == 0 {
-		return nil, nil
-	}
-	restConsumerConfig := &rest.RestConsumerConfig{}
-	err := yaml.UnmarshalYMLConfig(confConFile, restConsumerConfig)
-	if err != nil {
-		return nil, perrors.Errorf("[Rest Config] unmarshal Consumer RestYmlConfig error %v", perrors.WithStack(err))
-	}
-	return restConsumerConfig, nil
-}
-
-func (dcr *DefaultConfigReader) ReadProviderConfig() (*rest.RestProviderConfig, error) {
-	confProFile := os.Getenv(constant.CONF_PROVIDER_FILE_PATH)
-	if len(confProFile) == 0 {
-		return nil, nil
-	}
-	restProviderConfig := &rest.RestProviderConfig{}
-	err := yaml.UnmarshalYMLConfig(confProFile, restProviderConfig)
-	if err != nil {
-		return nil, perrors.Errorf("[Rest Config] unmarshal Provider RestYmlConfig error %v", perrors.WithStack(err))
-
-	}
-	return restProviderConfig, nil
-}
-
-func GetDefaultConfigReader() config_reader.RestConfigReader {
-	if defaultConfigReader == nil {
-		defaultConfigReader = NewDefaultConfigReader()
-	}
-	return defaultConfigReader
-}