1 files changed, 2 insertions, 4 deletions
diff --git a/src/new_fields/Doc.ts b/src/new_fields/Doc.ts
index 79e5a156d..6dfa37c1b 100644
--- a/src/new_fields/Doc.ts
+++ b/src/new_fields/Doc.ts
@@ -91,7 +91,7 @@ export namespace Doc {
         return Cast(Get(doc, key, ignoreProto), ctor) as T | null | undefined;
     }
     export async function SetOnPrototype(doc: Doc, key: string, value: Field) {
-        const proto = await Cast(doc.proto, Doc);
+        const proto = doc.proto;
         if (proto) {
             proto[key] = value;
         }
@@ -166,6 +166,4 @@ export namespace Doc {
         return delegate;
     }
     export const Prototype = Symbol("Prototype");
-}
-
-export const GetAsync = Doc.GetAsync;
-\ No newline at end of file
+}
+\ No newline at end of file