diff --git a/lib/OnyxSnapshotCache.ts b/lib/OnyxSnapshotCache.ts
index 49ce6a0c3..3d96cc858 100644
--- a/lib/OnyxSnapshotCache.ts
+++ b/lib/OnyxSnapshotCache.ts
@@ -33,7 +33,7 @@ class OnyxSnapshotCache {
 
     constructor() {
         this.snapshotCache = new Map();
-        this.selectorIDMap = new Map();
+        this.selectorIDMap = new WeakMap();
         this.selectorIDCounter = 0;
         this.cacheKeyRefCounts = new Map();
     }