diff --git a/gluten-arrow/src/main/java/org/apache/gluten/execution/LoadArrowDataExec.scala b/gluten-arrow/src/main/scala/org/apache/gluten/execution/LoadArrowDataExec.scala
similarity index 100%
rename from gluten-arrow/src/main/java/org/apache/gluten/execution/LoadArrowDataExec.scala
rename to gluten-arrow/src/main/scala/org/apache/gluten/execution/LoadArrowDataExec.scala
diff --git a/gluten-arrow/src/main/java/org/apache/gluten/execution/OffloadArrowDataExec.scala b/gluten-arrow/src/main/scala/org/apache/gluten/execution/OffloadArrowDataExec.scala
similarity index 100%
rename from gluten-arrow/src/main/java/org/apache/gluten/execution/OffloadArrowDataExec.scala
rename to gluten-arrow/src/main/scala/org/apache/gluten/execution/OffloadArrowDataExec.scala
diff --git a/gluten-arrow/src/main/java/org/apache/gluten/utils/DebugUtil.scala b/gluten-arrow/src/main/scala/org/apache/gluten/utils/DebugUtil.scala
similarity index 99%
rename from gluten-arrow/src/main/java/org/apache/gluten/utils/DebugUtil.scala
rename to gluten-arrow/src/main/scala/org/apache/gluten/utils/DebugUtil.scala
index c488dd169b4d..dea0a4814028 100644
--- a/gluten-arrow/src/main/java/org/apache/gluten/utils/DebugUtil.scala
+++ b/gluten-arrow/src/main/scala/org/apache/gluten/utils/DebugUtil.scala
@@ -17,6 +17,7 @@
 package org.apache.gluten.utils
 
 import org.apache.gluten.GlutenConfig
+
 import org.apache.spark.TaskContext
 
 object DebugUtil {