diff --git a/streaming/src/main/scala/org/apache/spark/streaming/ui/UIUtils.scala b/streaming/src/main/scala/org/apache/spark/streaming/ui/UIUtils.scala
index c206f973b2c6686336f57d6574256e758dfdb457..f153ee105a18e97991154430523e1af8a48d1596 100644
--- a/streaming/src/main/scala/org/apache/spark/streaming/ui/UIUtils.scala
+++ b/streaming/src/main/scala/org/apache/spark/streaming/ui/UIUtils.scala
@@ -19,7 +19,7 @@ package org.apache.spark.streaming.ui
 
 import java.util.concurrent.TimeUnit
 
-object UIUtils {
+private[streaming] object UIUtils {
 
   /**
    * Return the short string for a `TimeUnit`.