diff --git a/services/core/java/com/android/server/am/ActivityMetricsLogger.java b/services/core/java/com/android/server/am/ActivityMetricsLogger.java
index 9680382e922da..4101dde371986 100644
--- a/services/core/java/com/android/server/am/ActivityMetricsLogger.java
+++ b/services/core/java/com/android/server/am/ActivityMetricsLogger.java
@@ -26,7 +26,7 @@ class ActivityMetricsLogger {
     // Preallocated strings we are sending to tron, so we don't have to allocate a new one every
     // time we log.
     private static final String[] TRON_WINDOW_STATE_VARZ_STRINGS = {
-            "tron_varz_window_time_0", "tron_varz_window_time_1", "tron_varz_window_time_2"};
+            "window_time_0", "window_time_1", "window_time_2"};
 
     private int mWindowState = WINDOW_STATE_STANDARD;
     private long mLastLogTimeSecs;