diff --git a/core/scheduler/src/main/java/com/webank/wedatasphere/qualitis/config/HiveConfig.java b/core/scheduler/src/main/java/com/webank/wedatasphere/qualitis/config/HiveConfig.java
deleted file mode 100644
index 1b0bfa28..00000000
--- a/core/scheduler/src/main/java/com/webank/wedatasphere/qualitis/config/HiveConfig.java
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * Copyright 2019 WeBank
- *
- * 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.
- */
-
-package com.webank.wedatasphere.qualitis.config;
-
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.context.annotation.Configuration;
-
-/**
- * @author howeye
- */
-@Configuration
-public class HiveConfig {
-
-    @Value("${hive.username}")
-    private String username;
-    @Value("${hive.password}")
-    private String password;
-
-    public HiveConfig() {
-        // Default Constructor
-    }
-
-    public String getUsername() {
-        return username;
-    }
-
-    public void setUsername(String username) {
-        this.username = username;
-    }
-
-    public String getPassword() {
-        return password;
-    }
-
-    public void setPassword(String password) {
-        this.password = password;
-    }
-}
diff --git a/core/scheduler/src/main/java/com/webank/wedatasphere/qualitis/exception/HiveServer2ConnectException.java b/core/scheduler/src/main/java/com/webank/wedatasphere/qualitis/exception/HiveServer2ConnectException.java
deleted file mode 100644
index 1c9870da..00000000
--- a/core/scheduler/src/main/java/com/webank/wedatasphere/qualitis/exception/HiveServer2ConnectException.java
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * Copyright 2019 WeBank
- *
- * 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.
- */
-
-package com.webank.wedatasphere.qualitis.exception;
-
-/**
- * @author howeye
- */
-public class HiveServer2ConnectException extends Exception {
-
-    public HiveServer2ConnectException(String message) {
-        super(message);
-    }
-}
diff --git a/core/scheduler/src/main/java/com/webank/wedatasphere/qualitis/exception/HiveServer2StatementException.java b/core/scheduler/src/main/java/com/webank/wedatasphere/qualitis/exception/HiveServer2StatementException.java
deleted file mode 100644
index b3d92d78..00000000
--- a/core/scheduler/src/main/java/com/webank/wedatasphere/qualitis/exception/HiveServer2StatementException.java
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * Copyright 2019 WeBank
- *
- * 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.
- */
-
-package com.webank.wedatasphere.qualitis.exception;
-
-/**
- * @author howeye
- */
-public class HiveServer2StatementException extends Exception {
-
-    public HiveServer2StatementException(String message) {
-        super(message);
-    }
-}
diff --git a/core/scheduler/src/main/java/com/webank/wedatasphere/qualitis/submitter/impl/ExecutionManagerImpl.java b/core/scheduler/src/main/java/com/webank/wedatasphere/qualitis/submitter/impl/ExecutionManagerImpl.java
index 665b3d24..f660ca30 100644
--- a/core/scheduler/src/main/java/com/webank/wedatasphere/qualitis/submitter/impl/ExecutionManagerImpl.java
+++ b/core/scheduler/src/main/java/com/webank/wedatasphere/qualitis/submitter/impl/ExecutionManagerImpl.java
@@ -18,7 +18,6 @@
 
 import com.webank.wedatasphere.qualitis.bean.*;
 import com.webank.wedatasphere.qualitis.client.AbstractJobSubmitter;
-import com.webank.wedatasphere.qualitis.config.HiveConfig;
 import com.webank.wedatasphere.qualitis.config.TaskExecuteLimitConfig;
 import com.webank.wedatasphere.qualitis.constant.TaskStatusEnum;
 import com.webank.wedatasphere.qualitis.converter.TemplateConverterFactory;
@@ -48,7 +47,6 @@
 
 import java.util.*;
 import java.util.concurrent.ExecutionException;
-import java.util.concurrent.Future;
 import java.util.stream.Collectors;
 
 /**
@@ -66,9 +64,6 @@ public class ExecutionManagerImpl implements ExecutionManager {
     @Autowired
     private ClusterInfoDao clusterInfoDao;
 
-    @Autowired
-    private HiveConfig hiveConfig;
-
     @Autowired
     private TaskDao taskDao;