diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardClockSwitchController.java b/packages/SystemUI/src/com/android/keyguard/KeyguardClockSwitchController.java
index a9531cffd6310..21d8c0af56853 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardClockSwitchController.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardClockSwitchController.java
@@ -292,6 +292,7 @@ public class KeyguardClockSwitchController extends ViewController<KeyguardClockS
         setClock(null);
 
         mSecureSettings.unregisterContentObserver(mDoubleLineClockObserver);
+        mSecureSettings.unregisterContentObserver(mShowWeatherObserver);
 
         mKeyguardUnlockAnimationController.removeKeyguardUnlockAnimationListener(
                 mKeyguardUnlockAnimationListener);