diff --git a/amnet-native/models/RealmContext.ts b/amnet-native/models/RealmContext.ts
index 1ba0fdc..9ec1cbd 100644
--- a/amnet-native/models/RealmContext.ts
+++ b/amnet-native/models/RealmContext.ts
@@ -15,20 +15,18 @@ const migrationFunction = (oldRealm: Realm, newRealm: Realm) => {
             if (card.lastUsedGameId && card.lastUsed) {
                 const existing = gameIdMap.get(card.lastUsedGameId);
                 if (!existing || card.lastUsed > existing.lastUsed) {
-                    gameIdMap.set(card.lastUsedGameId, { card, lastUsed: card.lastUsed });
+                    gameIdMap.set(card.lastUsedGameId, {card, lastUsed: card.lastUsed});
                 }
             }
         });
 
         // write new history records
         const newCards = newRealm.objects("card");
-        newRealm.write(() => {
-            gameIdMap.forEach((value, gameId) => {
-                const newCard = newCards.filtered(`_id == $0`, value.card._id)[0];
-                newRealm.create("cardUsageHistory", {
-                    gameId: gameId,
-                    card: newCard
-                });
+        gameIdMap.forEach((value, gameId) => {
+            const newCard = newCards.filtered(`_id == $0`, value.card._id)[0];
+            newRealm.create("cardUsageHistory", {
+                gameId: gameId,
+                card: newCard
             });
         });
     }