diff --git a/sharding-core/src/main/java/io/shardingsphere/core/metadata/table/executor/TableLoader.java b/sharding-core/src/main/java/io/shardingsphere/core/metadata/table/executor/TableLoader.java
deleted file mode 100644
index 5b44762487e3f..0000000000000
--- a/sharding-core/src/main/java/io/shardingsphere/core/metadata/table/executor/TableLoader.java
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Copyright 2016-2018 shardingsphere.io.
- * <p>
- * 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.
- * </p>
- */
-
-package io.shardingsphere.core.metadata.table.executor;
-
-import lombok.RequiredArgsConstructor;
-
-import java.sql.Connection;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.util.Collection;
-import java.util.LinkedList;
-
-/**
- * Table loader.
- *
- * @author zhangliang
- */
-@RequiredArgsConstructor
-public final class TableLoader {
-    
-    private final TableMetaDataExecutorAdapter executorAdapter;
-    
-    /**
-     * Get all table names.
-     *
-     * @param dataSourceName data source name
-     * @return table names
-     * @throws SQLException SQL exception
-     */
-    public Collection<String> getAllTableNames(final String dataSourceName) throws SQLException {
-        Collection<String> result = new LinkedList<>();
-        try (Connection connection = executorAdapter.getConnection(dataSourceName);
-             ResultSet resultSet = connection.getMetaData().getTables(null, null, null, null)) {
-            while (resultSet.next()) {
-                result.add(resultSet.getString("TABLE_NAME"));
-            }
-        }
-        return result;
-    }
-}
diff --git a/sharding-core/src/main/java/io/shardingsphere/core/metadata/table/executor/TableMetaDataInitializer.java b/sharding-core/src/main/java/io/shardingsphere/core/metadata/table/executor/TableMetaDataInitializer.java
index d1b4958627551..e1abde8dbd0c0 100644
--- a/sharding-core/src/main/java/io/shardingsphere/core/metadata/table/executor/TableMetaDataInitializer.java
+++ b/sharding-core/src/main/java/io/shardingsphere/core/metadata/table/executor/TableMetaDataInitializer.java
@@ -24,8 +24,12 @@
 import io.shardingsphere.core.rule.ShardingRule;
 import io.shardingsphere.core.rule.TableRule;
 
+import java.sql.Connection;
+import java.sql.ResultSet;
 import java.sql.SQLException;
+import java.util.Collection;
 import java.util.HashMap;
+import java.util.LinkedList;
 import java.util.Map;
 
 /**
@@ -35,12 +39,12 @@
  */
 public final class TableMetaDataInitializer {
     
-    private final TableLoader tableLoader;
+    private final TableMetaDataExecutorAdapter executorAdapter;
     
     private final TableMetaDataLoader tableMetaDataLoader;
     
     public TableMetaDataInitializer(final ListeningExecutorService executorService, final TableMetaDataExecutorAdapter executorAdapter) {
-        tableLoader = new TableLoader(executorAdapter);
+        this.executorAdapter = executorAdapter;
         tableMetaDataLoader = new TableMetaDataLoader(executorService, executorAdapter);
     }
     
@@ -72,10 +76,21 @@ private Map<String, TableMetaData> loadDefaultTables(final ShardingRule sharding
         Map<String, TableMetaData> result = new HashMap<>(shardingRule.getTableRules().size(), 1);
         Optional<String> actualDefaultDataSourceName = shardingRule.findActualDefaultDataSourceName();
         if (actualDefaultDataSourceName.isPresent()) {
-            for (String each : tableLoader.getAllTableNames(actualDefaultDataSourceName.get())) {
+            for (String each : getAllTableNames(actualDefaultDataSourceName.get())) {
                 result.put(each, tableMetaDataLoader.loadTableMetaData(each, shardingRule));
             }
         }
         return result;
     }
+    
+    private Collection<String> getAllTableNames(final String dataSourceName) throws SQLException {
+        Collection<String> result = new LinkedList<>();
+        try (Connection connection = executorAdapter.getConnection(dataSourceName);
+             ResultSet resultSet = connection.getMetaData().getTables(null, null, null, null)) {
+            while (resultSet.next()) {
+                result.add(resultSet.getString("TABLE_NAME"));
+            }
+        }
+        return result;
+    }
 }