diff --git a/core/java/android/util/NtpTrustedTime.java b/core/java/android/util/NtpTrustedTime.java
index af432228183c8..98c0d7f4fbf17 100644
--- a/core/java/android/util/NtpTrustedTime.java
+++ b/core/java/android/util/NtpTrustedTime.java
@@ -129,7 +129,8 @@ public abstract class NtpTrustedTime implements TrustedTime {
      *
      * @hide
      */
-    public static final class TimeResult {
+    // Non-final for mocking frameworks
+    public static class TimeResult {
         private final long mUnixEpochTimeMillis;
         private final long mElapsedRealtimeMillis;
         private final int mUncertaintyMillis;