diff --git a/gluten-data/src/main/scala/org/apache/gluten/utils/InternalRowUtl.scala b/gluten-data/src/main/scala/org/apache/gluten/utils/InternalRowUtl.scala
deleted file mode 100644
index 32d694371393..000000000000
--- a/gluten-data/src/main/scala/org/apache/gluten/utils/InternalRowUtl.scala
+++ /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.gluten.utils
-
-import org.apache.spark.sql.catalyst.InternalRow
-import org.apache.spark.sql.catalyst.encoders.RowEncoder
-import org.apache.spark.sql.types.StructType
-
-object InternalRowUtl {
-  def toString(struct: StructType, rows: Iterator[InternalRow]): String = {
-    val encoder = RowEncoder(struct).resolveAndBind()
-    val deserializer = encoder.createDeserializer()
-    rows.map(deserializer).mkString(System.lineSeparator())
-  }
-
-  def toString(struct: StructType, rows: Iterator[InternalRow], start: Int, length: Int): String = {
-    toString(struct, rows.slice(start, start + length))
-  }
-
-}
diff --git a/shims/spark35/src/main/scala/org/apache/gluten/utils/InternalRowUtl.scala b/shims/spark35/src/main/scala/org/apache/gluten/utils/InternalRowUtl.scala
index 73c29c1b9ee5..654e43cbd03f 100644
--- a/shims/spark35/src/main/scala/org/apache/gluten/utils/InternalRowUtl.scala
+++ b/shims/spark35/src/main/scala/org/apache/gluten/utils/InternalRowUtl.scala
@@ -30,5 +30,4 @@ object InternalRowUtl {
   def toString(struct: StructType, rows: Iterator[InternalRow], start: Int, length: Int): String = {
     toString(struct, rows.slice(start, start + length))
   }
-
 }