diff --git a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/protocolPB/RouterGetUserMappingsProtocolServerSideTranslatorPB.java b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/protocolPB/RouterGetUserMappingsProtocolServerSideTranslatorPB.java
index 599160dcc8e134..9f607f08f18b36 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/protocolPB/RouterGetUserMappingsProtocolServerSideTranslatorPB.java
+++ b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/protocolPB/RouterGetUserMappingsProtocolServerSideTranslatorPB.java
@@ -46,7 +46,7 @@ public GetGroupsForUserResponseProto getGroupsForUser(
       return super.getGroupsForUser(controller, request);
     }
     asyncRouterServer(() -> server.getGroupsForUser(request.getUser()), groups -> {
-      GetGroupsForUserResponseProto.Builder builder = 
+      GetGroupsForUserResponseProto.Builder builder =
           GetGroupsForUserResponseProto
           .newBuilder();
       for (String g : groups) {
diff --git a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/protocolPB/RouterRefreshUserMappingsProtocolServerSideTranslatorPB.java b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/protocolPB/RouterRefreshUserMappingsProtocolServerSideTranslatorPB.java
index a590514cf20a28..9cffac88ee60cf 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/protocolPB/RouterRefreshUserMappingsProtocolServerSideTranslatorPB.java
+++ b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/protocolPB/RouterRefreshUserMappingsProtocolServerSideTranslatorPB.java
@@ -31,7 +31,7 @@
 
 public class RouterRefreshUserMappingsProtocolServerSideTranslatorPB
     extends RefreshUserMappingsProtocolServerSideTranslatorPB {
-  
+
   private final RouterRpcServer server;
   private final boolean isAsyncRpc;