diff --git a/android/src/main/kotlin/com/google/maps/flutter/navigation/GoogleMapsNavigationPlugin.kt b/android/src/main/kotlin/com/google/maps/flutter/navigation/GoogleMapsNavigationPlugin.kt
index 253d73b..5ca1709 100644
--- a/android/src/main/kotlin/com/google/maps/flutter/navigation/GoogleMapsNavigationPlugin.kt
+++ b/android/src/main/kotlin/com/google/maps/flutter/navigation/GoogleMapsNavigationPlugin.kt
@@ -74,7 +74,7 @@ class GoogleMapsNavigationPlugin : FlutterPlugin, ActivityAware {
   }
 
   override fun onDetachedFromActivity() {
-    lifecycle.addObserver(GoogleMapsNavigationSessionManager.getInstance())
+    lifecycle.removeObserver(GoogleMapsNavigationSessionManager.getInstance())
     GoogleMapsNavigationSessionManager.getInstance().onActivityDestroyed()
     lifecycle.removeObserver(viewRegistry)
   }