diff --git a/packages/SettingsLib/src/com/android/settingslib/wifi/WifiTrackerFactory.java b/packages/SettingsLib/src/com/android/settingslib/wifi/WifiTrackerFactory.java
index ab7c6d2eaeb3f..a2becf717e899 100644
--- a/packages/SettingsLib/src/com/android/settingslib/wifi/WifiTrackerFactory.java
+++ b/packages/SettingsLib/src/com/android/settingslib/wifi/WifiTrackerFactory.java
@@ -27,7 +27,7 @@ public class WifiTrackerFactory {
 
     private static WifiTracker sTestingWifiTracker;
 
-    @Keep
+    @Keep // Keep proguard from stripping this method since it is only used in tests
     public static void setTestingWifiTracker(WifiTracker tracker) {
         sTestingWifiTracker = tracker;
     }