diff --git a/src/main/java/com/alibaba/druid/sql/dialect/oracle/ast/expr/OracleDatetimeLiteralExpr.java b/src/main/java/com/alibaba/druid/sql/dialect/oracle/ast/expr/OracleDatetimeLiteralExpr.java
deleted file mode 100644
index 9864abe311..0000000000
--- a/src/main/java/com/alibaba/druid/sql/dialect/oracle/ast/expr/OracleDatetimeLiteralExpr.java
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Copyright 1999-2011 Alibaba Group Holding Ltd.
- *
- * 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.alibaba.druid.sql.dialect.oracle.ast.expr;
-
-import com.alibaba.druid.sql.ast.expr.SQLLiteralExpr;
-
-public abstract class OracleDatetimeLiteralExpr extends SQLLiteralExpr implements OracleExpr {
-
-    private static final long serialVersionUID = 1L;
-    protected int             year;
-    protected int             month;
-    protected int             dayOfMonth;
-    protected int             hour;
-    protected int             minute;
-    protected int             second;
-
-    public OracleDatetimeLiteralExpr(){
-
-    }
-
-    public int getHour() {
-        return this.hour;
-    }
-
-    public void setHour(int hour) {
-        this.hour = hour;
-    }
-
-    public int getMinute() {
-        return this.minute;
-    }
-
-    public void setMinute(int minute) {
-        this.minute = minute;
-    }
-
-    public int getYear() {
-        return this.year;
-    }
-
-    public void setYear(int year) {
-        this.year = year;
-    }
-
-    public int getMonth() {
-        return this.month;
-    }
-
-    public void setMonth(int month) {
-        this.month = month;
-    }
-
-    public int getSecond() {
-        return this.second;
-    }
-
-    public void setSecond(int second) {
-        this.second = second;
-    }
-
-    public int getDayOfMonth() {
-        return this.dayOfMonth;
-    }
-
-    public void setDayOfMonth(int dayOfMonth) {
-        this.dayOfMonth = dayOfMonth;
-    }
-}