diff --git a/src/types.ts b/src/types.ts
index 80011d66..fdef3eeb 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -49,16 +49,12 @@ type UnpackDFObject<Obj extends Record<string, DomainFunction>> =
   | { [K in keyof Obj]: UnpackData<Obj[K]> }
   | never
 
-type MergeObjs<Objs extends unknown[], output = {}> = Prettify<
-  Objs extends [infer first, ...infer rest]
-    ? MergeObjs<rest, Omit<output, keyof first> & first>
-    : output
->
-
-type Prettify<T> = {
-  [K in keyof T]: T[K]
-  // deno-lint-ignore ban-types
-} & {}
+type MergeObjs<Objs extends unknown[], output = {}> = Objs extends [
+  infer first,
+  ...infer rest,
+]
+  ? MergeObjs<rest, Omit<output, keyof first> & first>
+  : output
 
 type TupleToUnion<T extends unknown[]> = T[number]