diff --git a/infra/common/src/main/java/org/apache/shardingsphere/infra/database/DatabaseTypeEngine.java b/infra/common/src/main/java/org/apache/shardingsphere/infra/database/DatabaseTypeEngine.java
index 6c99493bbd533..25c336abb95c1 100644
--- a/infra/common/src/main/java/org/apache/shardingsphere/infra/database/DatabaseTypeEngine.java
+++ b/infra/common/src/main/java/org/apache/shardingsphere/infra/database/DatabaseTypeEngine.java
@@ -98,21 +98,6 @@ private static Map<String, DataSource> getDataSources(final DatabaseConfiguratio
                 .collect(Collectors.toMap(Entry::getKey, entry -> entry.getValue().getDataSource(), (oldValue, currentValue) -> oldValue, LinkedHashMap::new));
     }
     
-    /**
-     * Get storage types.
-     *
-     * @param databaseConfig database configuration
-     * @return storage types
-     */
-    public static Map<String, DatabaseType> getStorageTypes(final DatabaseConfiguration databaseConfig) {
-        Map<String, DatabaseType> result = new LinkedHashMap<>(databaseConfig.getStorageUnits().size(), 1F);
-        Map<String, DataSource> dataSources = getDataSources(databaseConfig);
-        for (Entry<String, DataSource> entry : dataSources.entrySet()) {
-            result.put(entry.getKey(), getStorageType(entry.getValue()));
-        }
-        return result;
-    }
-    
     /**
      * Get storage type.
      * Similar to <a href="https://github.com/apache/hive/pull/5554">apache/hive#5554</a>,
diff --git a/infra/common/src/test/java/org/apache/shardingsphere/infra/database/DatabaseTypeEngineTest.java b/infra/common/src/test/java/org/apache/shardingsphere/infra/database/DatabaseTypeEngineTest.java
index bc49a70a10e97..0d822a345ee9a 100644
--- a/infra/common/src/test/java/org/apache/shardingsphere/infra/database/DatabaseTypeEngineTest.java
+++ b/infra/common/src/test/java/org/apache/shardingsphere/infra/database/DatabaseTypeEngineTest.java
@@ -42,7 +42,6 @@
 import static org.hamcrest.CoreMatchers.is;
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.jupiter.api.Assertions.assertThrows;
-import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.mockito.Mockito.RETURNS_DEEP_STUBS;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
@@ -65,14 +64,6 @@ void assertGetProtocolTypeFromDataSource() throws SQLException {
         assertThat(DatabaseTypeEngine.getProtocolType(Collections.singletonMap("foo_db", databaseConfig), new ConfigurationProperties(new Properties())), instanceOf(PostgreSQLDatabaseType.class));
     }
     
-    @Test
-    void assertGetStorageTypes() throws SQLException {
-        DataSource datasource = mockDataSource(TypedSPILoader.getService(DatabaseType.class, "MySQL"));
-        DatabaseConfiguration databaseConfig = new DataSourceProvidedDatabaseConfiguration(Collections.singletonMap("foo_db", datasource), Collections.singletonList(new FixtureRuleConfiguration()));
-        assertTrue(DatabaseTypeEngine.getStorageTypes(databaseConfig).containsKey("foo_db"));
-        assertThat(DatabaseTypeEngine.getStorageTypes(databaseConfig).get("foo_db"), instanceOf(MySQLDatabaseType.class));
-    }
-    
     @Test
     void assertGetStorageType() throws SQLException {
         assertThat(DatabaseTypeEngine.getStorageType(mockDataSource(TypedSPILoader.getService(DatabaseType.class, "H2"))).getType(), is("H2"));