diff --git a/src/main/java/xyz/zhouxy/plusone/commons/jdbc/ResultMap.java b/src/main/java/xyz/zhouxy/plusone/commons/jdbc/ResultMap.java
deleted file mode 100644
index 1f078c8..0000000
--- a/src/main/java/xyz/zhouxy/plusone/commons/jdbc/ResultMap.java
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright 2022-2023 the original author or authors.
- *
- * 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
- *
- *      https://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 xyz.zhouxy.plusone.commons.jdbc;
-
-import java.sql.ResultSet;
-import java.sql.SQLException;
-
-import com.google.common.annotations.Beta;
-
-@Beta
-@FunctionalInterface
-public interface ResultMap<T> {
-    T map(ResultSet rs, int rowNumber) throws SQLException;
-}