diff --git a/lib/pangea/analytics_misc/get_analytics_controller.dart b/lib/pangea/analytics_misc/get_analytics_controller.dart
index 78cda3b37..d07b78a8b 100644
--- a/lib/pangea/analytics_misc/get_analytics_controller.dart
+++ b/lib/pangea/analytics_misc/get_analytics_controller.dart
@@ -243,7 +243,14 @@ class GetAnalyticsController extends BaseController {
   }
 
   void _onUnlockMorphLemmas(Set<ConstructIdentifier> unlocked) {
-    setState({'unlocked_constructs': unlocked});
+    final Set<ConstructIdentifier> excluded = {
+      ConstructIdentifier(
+        category: "NounType",
+        lemma: "Not_proper",
+        type: ConstructTypeEnum.morph,
+      ),
+    };
+    setState({'unlocked_constructs': unlocked.difference(excluded)});
   }
 
   /// A local cache of eventIds and construct uses for messages sent since the last update.