diff --git a/iotdb/iotdb/conf/error_info_cn.properties b/iotdb/iotdb/conf/error_info_cn.properties
deleted file mode 100644
index 7a115cd04f8d92e42855211468e00d2f78acce71..0000000000000000000000000000000000000000
--- a/iotdb/iotdb/conf/error_info_cn.properties
+++ /dev/null
@@ -1,28 +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.
-#
-
-20000=未知错误
-20001=语句中无变量
-20002=无效的变量
-20003=无法连接到服务器：%s (%s)
-20061=验证失败：%S
-20062=不安全的函数调用：%s
-20064=M客户端内存溢出
-20130=语句未就绪
-20220=连接失败
\ No newline at end of file
diff --git a/iotdb/iotdb/conf/error_info_en.properties b/iotdb/iotdb/conf/error_info_en.properties
deleted file mode 100644
index 62bc9372b02022e8185a6d82018416e260e910df..0000000000000000000000000000000000000000
--- a/iotdb/iotdb/conf/error_info_en.properties
+++ /dev/null
@@ -1,28 +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.
-#
-
-20000=Unknown error
-20001=No parameters exist in the statement
-20002=Invalid parameter number
-20003=Can't connect to server on %s(%s)
-20061=Authentication failed: %s
-20062=Insecure API function call: %s
-20064=Client ran out of memory
-20130=Statement not prepared
-20220=Fail to connect.
\ No newline at end of file