diff --git a/connector/protobuf/src/main/scala/org/apache/spark/sql/protobuf/package.scala b/connector/protobuf/src/main/scala/org/apache/spark/sql/protobuf/package.scala
index 82cdc6b9c5816..046b8acdb5e5c 100644
--- a/connector/protobuf/src/main/scala/org/apache/spark/sql/protobuf/package.scala
+++ b/connector/protobuf/src/main/scala/org/apache/spark/sql/protobuf/package.scala
@@ -17,5 +17,4 @@
 package org.apache.spark.sql
 
 package object protobuf {
-  protected[protobuf] object ScalaReflectionLock
 }