diff --git a/infra/common/src/main/java/org/apache/shardingsphere/infra/metadata/database/schema/builder/GenericSchemaBuilder.java b/infra/common/src/main/java/org/apache/shardingsphere/infra/metadata/database/schema/builder/GenericSchemaBuilder.java
index 703879d0ee510..cc5751aa89c86 100644
--- a/infra/common/src/main/java/org/apache/shardingsphere/infra/metadata/database/schema/builder/GenericSchemaBuilder.java
+++ b/infra/common/src/main/java/org/apache/shardingsphere/infra/metadata/database/schema/builder/GenericSchemaBuilder.java
@@ -27,6 +27,7 @@
 import org.apache.shardingsphere.infra.database.core.metadata.data.model.IndexMetaData;
 import org.apache.shardingsphere.infra.database.core.metadata.data.model.SchemaMetaData;
 import org.apache.shardingsphere.infra.database.core.metadata.data.model.TableMetaData;
+import org.apache.shardingsphere.infra.database.core.type.DatabaseType;
 import org.apache.shardingsphere.infra.database.core.type.DatabaseTypeRegistry;
 import org.apache.shardingsphere.infra.metadata.database.resource.unit.StorageUnit;
 import org.apache.shardingsphere.infra.metadata.database.schema.model.ShardingSphereColumn;
@@ -78,7 +79,7 @@ public static Map<String, ShardingSphereSchema> build(final GenericSchemaBuilder
      */
     public static Map<String, ShardingSphereSchema> build(final Collection<String> tableNames, final GenericSchemaBuilderMaterial material) throws SQLException {
         Map<String, SchemaMetaData> result = loadSchemas(tableNames, material);
-        if (!material.isSameProtocolAndStorageTypes()) {
+        if (!isSameProtocolAndStorageTypes(material.getProtocolType(), material.getStorageUnits())) {
             result = translate(result, material);
         }
         return revise(result, material);
@@ -98,6 +99,10 @@ private static Map<String, SchemaMetaData> loadSchemas(final Collection<String>
         return materials.isEmpty() ? Collections.emptyMap() : MetaDataLoader.load(materials);
     }
     
+    private static boolean isSameProtocolAndStorageTypes(final DatabaseType protocolType, final Map<String, StorageUnit> storageUnits) {
+        return storageUnits.values().stream().map(StorageUnit::getStorageType).allMatch(protocolType::equals);
+    }
+    
     private static Map<String, SchemaMetaData> translate(final Map<String, SchemaMetaData> schemaMetaDataMap, final GenericSchemaBuilderMaterial material) {
         Collection<TableMetaData> tableMetaDataList = new LinkedList<>();
         for (StorageUnit each : material.getStorageUnits().values()) {
diff --git a/infra/common/src/main/java/org/apache/shardingsphere/infra/metadata/database/schema/builder/GenericSchemaBuilderMaterial.java b/infra/common/src/main/java/org/apache/shardingsphere/infra/metadata/database/schema/builder/GenericSchemaBuilderMaterial.java
index d1a05c2124a8d..f77db09a9c3f1 100644
--- a/infra/common/src/main/java/org/apache/shardingsphere/infra/metadata/database/schema/builder/GenericSchemaBuilderMaterial.java
+++ b/infra/common/src/main/java/org/apache/shardingsphere/infra/metadata/database/schema/builder/GenericSchemaBuilderMaterial.java
@@ -43,13 +43,4 @@ public final class GenericSchemaBuilderMaterial {
     private final ConfigurationProperties props;
     
     private final String defaultSchemaName;
-    
-    /**
-     * Judge whether same protocol and storage database types.
-     *
-     * @return is same or not
-     */
-    public boolean isSameProtocolAndStorageTypes() {
-        return storageUnits.values().stream().map(StorageUnit::getStorageType).allMatch(protocolType::equals);
-    }
 }
diff --git a/infra/common/src/test/java/org/apache/shardingsphere/infra/metadata/database/schema/builder/GenericSchemaBuilderMaterialTest.java b/infra/common/src/test/java/org/apache/shardingsphere/infra/metadata/database/schema/builder/GenericSchemaBuilderMaterialTest.java
deleted file mode 100644
index d7cfd74d98647..0000000000000
--- a/infra/common/src/test/java/org/apache/shardingsphere/infra/metadata/database/schema/builder/GenericSchemaBuilderMaterialTest.java
+++ /dev/null
@@ -1,48 +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 org.apache.shardingsphere.infra.metadata.database.schema.builder;
-
-import org.apache.shardingsphere.infra.config.props.ConfigurationProperties;
-import org.apache.shardingsphere.infra.database.core.type.DatabaseType;
-import org.apache.shardingsphere.infra.spi.type.typed.TypedSPILoader;
-import org.junit.jupiter.api.Test;
-
-import java.util.Collections;
-import java.util.Properties;
-
-import static org.junit.jupiter.api.Assertions.assertFalse;
-import static org.junit.jupiter.api.Assertions.assertTrue;
-import static org.mockito.Mockito.mock;
-
-class GenericSchemaBuilderMaterialTest {
-    
-    private final DatabaseType databaseType = TypedSPILoader.getService(DatabaseType.class, "FIXTURE");
-    
-    @Test
-    void assertIsSameProtocolAndStorageTypes() {
-        GenericSchemaBuilderMaterial material = new GenericSchemaBuilderMaterial(databaseType, Collections.emptyMap(), Collections.emptyList(), new ConfigurationProperties(new Properties()), "");
-        assertTrue(material.isSameProtocolAndStorageTypes());
-    }
-    
-    @Test
-    void assertIsDifferentProtocolAndStorageTypes() {
-        GenericSchemaBuilderMaterial material = new GenericSchemaBuilderMaterial(databaseType,
-                Collections.singletonMap("foo", mock()), Collections.emptyList(), new ConfigurationProperties(new Properties()), "");
-        assertFalse(material.isSameProtocolAndStorageTypes());
-    }
-}