diff --git a/src/util/misc.ts b/src/util/misc.ts
index 3e19396..175ddfd 100644
--- a/src/util/misc.ts
+++ b/src/util/misc.ts
@@ -1,5 +1,4 @@
-import { Fn } from "hotscript"
-import { AbstractClass, Simplify } from "type-fest"
+import { AbstractClass } from "type-fest"
 
 
 /**
@@ -9,10 +8,6 @@ import { AbstractClass, Simplify } from "type-fest"
  */
 export type CommonKeys<A, B> = Extract<keyof A, keyof B>
 
-export interface SimplifyFn extends Fn {
-    return: Simplify<this["arg0"]>
-}
-
 /**
  * Represents the static members of a class.
  * @template Class - A class extending AbstractClass.
@@ -20,6 +15,3 @@ export interface SimplifyFn extends Fn {
 export type StaticMembers<Class extends AbstractClass<any>> = (
     Omit<Class, "prototype">
 )
-export interface StaticMembersFn extends Fn {
-    return: StaticMembers<this["arg0"]>
-}