diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/Nondeterministic.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/Nondeterministic.java
deleted file mode 100644
index 2d4e2df2fd66ee..00000000000000
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/Nondeterministic.java
+++ /dev/null
@@ -1,34 +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.doris.nereids.trees.expressions.functions;
-
-/**
- * Nondeterministic functions.
- * <p>
- * e.g. 'rand()', 'random()'.
- */
-public interface Nondeterministic extends ExpressionTrait {
-
-    /**
-     * Identify the function is deterministic or not, such as UnixTimestamp, when it's children is not empty
-     * it's deterministic
-     */
-    default boolean isDeterministic() {
-        return false;
-    }
-}
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/Random.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/Random.java
index d86eacec9348a8..82cd56118f8cfc 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/Random.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/Random.java
@@ -118,4 +118,9 @@ public <R, C> R accept(ExpressionVisitor<R, C> visitor, C context) {
     public boolean isDeterministic() {
         return false;
     }
+
+    @Override
+    public boolean foldable() {
+        return false;
+    }
 }
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/RandomBytes.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/RandomBytes.java
index 36b56bca7528f4..000b83bbc348ad 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/RandomBytes.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/RandomBytes.java
@@ -20,7 +20,6 @@
 import org.apache.doris.catalog.FunctionSignature;
 import org.apache.doris.nereids.trees.expressions.Expression;
 import org.apache.doris.nereids.trees.expressions.functions.ExplicitlyCastableSignature;
-import org.apache.doris.nereids.trees.expressions.functions.Nondeterministic;
 import org.apache.doris.nereids.trees.expressions.functions.PropagateNullable;
 import org.apache.doris.nereids.trees.expressions.visitor.ExpressionVisitor;
 import org.apache.doris.nereids.types.IntegerType;
@@ -36,7 +35,7 @@
  * ScalarFunction 'random_bytes'. This class is generated by GenerateFunction.
  */
 public class RandomBytes extends ScalarFunction
-        implements ExplicitlyCastableSignature, PropagateNullable, Nondeterministic {
+        implements ExplicitlyCastableSignature, PropagateNullable {
 
     public static final List<FunctionSignature> SIGNATURES = ImmutableList.of(
             FunctionSignature.ret(StringType.INSTANCE).args(IntegerType.INSTANCE),
@@ -60,6 +59,16 @@ public RandomBytes withChildren(List<Expression> children) {
         return new RandomBytes(children.get(0));
     }
 
+    @Override
+    public boolean isDeterministic() {
+        return false;
+    }
+
+    @Override
+    public boolean foldable() {
+        return false;
+    }
+
     @Override
     public List<FunctionSignature> getSignatures() {
         return SIGNATURES;