diff --git a/mod.ts b/mod.ts
index 778c480..5ac69d9 100644
--- a/mod.ts
+++ b/mod.ts
@@ -103,7 +103,7 @@ export class Store<T> implements Subject<T> {
      * @remarks
      * To mutate the state, use {@link Store.set}.
      */
-    public get state(): T { return structuredClone(this.#state) as T; }
+    public get state(): T { return this.#state; }
 
     /**
      * Convenience method to create a unique pointer.
@@ -169,9 +169,9 @@ export class Store<T> implements Subject<T> {
      */
     public set(options: T | ((prevState: T) => T)): void {
         if (typeof options === "function") {
-            this.#state = structuredClone((options as (prevState: T) => T)(structuredClone(this.state) as T)) as T;
+            this.#state = (options as (prevState: T) => T)(this.#state);
         } else {
-            this.#state = structuredClone(options) as T;
+            this.#state = options;
         }
 
         this.notify();