diff --git a/playbacktests/src/androidTest/java/com/google/android/exoplayer2/playbacktests/gts/DebugRenderersFactory.java b/playbacktests/src/androidTest/java/com/google/android/exoplayer2/playbacktests/gts/DebugRenderersFactory.java
index 8a1edc42eb..c34390bc03 100644
--- a/playbacktests/src/androidTest/java/com/google/android/exoplayer2/playbacktests/gts/DebugRenderersFactory.java
+++ b/playbacktests/src/androidTest/java/com/google/android/exoplayer2/playbacktests/gts/DebugRenderersFactory.java
@@ -191,6 +191,8 @@ import java.util.ArrayList;
       if (mediaFormat != null && !mediaFormat.equals(currentMediaFormat)) {
         outputMediaFormatChanged = true;
         currentMediaFormat = mediaFormat;
+      } else {
+        inputFormatChangeTimesUs.remove();
       }
     }