diff --git a/src/main/java/com/alibaba/druid/sql/dialect/oracle/ast/expr/OracleTableCollectionExpr.java b/src/main/java/com/alibaba/druid/sql/dialect/oracle/ast/expr/OracleTableCollectionExpr.java
deleted file mode 100644
index f067351052..0000000000
--- a/src/main/java/com/alibaba/druid/sql/dialect/oracle/ast/expr/OracleTableCollectionExpr.java
+++ /dev/null
@@ -1,68 +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.SQLExpr;
-import com.alibaba.druid.sql.ast.SQLExprImpl;
-import com.alibaba.druid.sql.dialect.oracle.visitor.OracleASTVisitor;
-import com.alibaba.druid.sql.visitor.SQLASTVisitor;
-
-public class OracleTableCollectionExpr extends SQLExprImpl implements OracleExpr {
-
-    private static final long serialVersionUID = 1L;
-    private SQLExpr           expr;
-    private boolean           outer            = false;
-
-    public OracleTableCollectionExpr(){
-
-    }
-
-    public boolean isOuter() {
-        return this.outer;
-    }
-
-    public void setOuter(boolean outer) {
-        this.outer = outer;
-    }
-
-    public SQLExpr getExpr() {
-        return this.expr;
-    }
-
-    public void setExpr(SQLExpr expr) {
-        this.expr = expr;
-    }
-
-    public void output(StringBuffer buf) {
-        buf.append("TALBE (");
-        this.expr.output(buf);
-        buf.append(")");
-        if (this.outer) buf.append("(+)");
-    }
-
-    @Override
-    protected void accept0(SQLASTVisitor visitor) {
-        this.accept0((OracleASTVisitor) visitor);
-    }
-
-    public void accept0(OracleASTVisitor visitor) {
-        if (visitor.visit(this)) {
-            acceptChild(visitor, this.expr);
-        }
-
-        visitor.endVisit(this);
-    }
-}
diff --git a/src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleASTVIsitorAdapter.java b/src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleASTVIsitorAdapter.java
index 58dcb10b48..cf73ea6284 100644
--- a/src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleASTVIsitorAdapter.java
+++ b/src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleASTVIsitorAdapter.java
@@ -36,7 +36,6 @@ import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleGroupingSetsExpr;
 import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleIntervalExpr;
 import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleIsSetExpr;
 import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleOuterExpr;
-import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleTableCollectionExpr;
 import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleTimestampExpr;
 import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleConstraintState;
 import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleDeleteStatement;
@@ -200,11 +199,6 @@ public class OracleASTVIsitorAdapter extends SQLASTVisitorAdapter implements Ora
 
     }
 
-    @Override
-    public void endVisit(OracleTableCollectionExpr x) {
-
-    }
-
     @Override
     public void endVisit(OracleTableExpr x) {
 
@@ -396,12 +390,6 @@ public class OracleASTVIsitorAdapter extends SQLASTVisitorAdapter implements Ora
         return true;
     }
 
-    @Override
-    public boolean visit(OracleTableCollectionExpr x) {
-
-        return true;
-    }
-
     @Override
     public boolean visit(OracleTableExpr x) {
 
@@ -688,7 +676,7 @@ public class OracleASTVIsitorAdapter extends SQLASTVisitorAdapter implements Ora
 
     @Override
     public void endVisit(OracleGroupingSetsExpr x) {
-        
+
     }
 
     @Override
diff --git a/src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleASTVisitor.java b/src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleASTVisitor.java
index 730caf63a3..960773e05c 100644
--- a/src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleASTVisitor.java
+++ b/src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleASTVisitor.java
@@ -42,7 +42,6 @@ import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleGroupingSetsExpr;
 import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleIntervalExpr;
 import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleIsSetExpr;
 import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleOuterExpr;
-import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleTableCollectionExpr;
 import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleTimestampExpr;
 import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleConstraintState;
 import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleDeleteStatement;
@@ -121,8 +120,6 @@ public interface OracleASTVisitor extends SQLASTVisitor {
 
     void endVisit(OracleSelectUnPivot x);
 
-    void endVisit(OracleTableCollectionExpr x);
-
     void endVisit(OracleTableExpr x);
 
     void endVisit(OracleTimestampExpr x);
@@ -191,8 +188,6 @@ public interface OracleASTVisitor extends SQLASTVisitor {
 
     boolean visit(OracleSelectUnPivot x);
 
-    boolean visit(OracleTableCollectionExpr x);
-
     boolean visit(OracleTableExpr x);
 
     boolean visit(OracleTimestampExpr x);
diff --git a/src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleOutputVisitor.java b/src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleOutputVisitor.java
index 2b86f6677d..9ca05ab399 100644
--- a/src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleOutputVisitor.java
+++ b/src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleOutputVisitor.java
@@ -67,7 +67,6 @@ import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleGroupingSetsExpr;
 import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleIntervalExpr;
 import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleIsSetExpr;
 import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleOuterExpr;
-import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleTableCollectionExpr;
 import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleTimestampExpr;
 import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleConstraintState;
 import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleDeleteStatement;
@@ -639,16 +638,6 @@ public class OracleOutputVisitor extends SQLASTOutputVisitor implements OracleAS
         return false;
     }
 
-    public boolean visit(OracleTableCollectionExpr x) {
-        print("TALBE (");
-        x.getExpr().accept(this);
-        print(")");
-        if (x.isOuter()) {
-            print("(+)");
-        }
-        return false;
-    }
-
     public boolean visit(OracleTableExpr x) {
         x.getTable().accept(this);
 
@@ -893,11 +882,6 @@ public class OracleOutputVisitor extends SQLASTOutputVisitor implements OracleAS
 
     }
 
-    @Override
-    public void endVisit(OracleTableCollectionExpr x) {
-
-    }
-
     @Override
     public void endVisit(OracleTableExpr x) {
 
diff --git a/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java b/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java
index 6bf87eb4df..66bb4586c3 100644
--- a/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java
+++ b/src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java
@@ -725,8 +725,6 @@ public class SQLExprParser extends SQLParser {
             }
         }
 
-        expr = andRest(expr);
-        expr = orRest(expr);
         return expr;
     }