diff --git a/src/tracers.ts/tracers/array-tracer.ts b/src/tracers.ts/tracers/array-tracer.ts
index 7d00f92..f121b53 100644
--- a/src/tracers.ts/tracers/array-tracer.ts
+++ b/src/tracers.ts/tracers/array-tracer.ts
@@ -3,20 +3,17 @@ import { Registry } from "../registry";
 
 export interface ArrayTracerOption<T> {
   description: string;
-  serializeFn?: (value: T) => string;
 }
 
 export class ArrayTracer<T> {
   private tracerId: string;
-  private serializeFn?: (value: T) => string;
 
-  private constructor(option: ArrayTracerOption<T>) {
+  private constructor() {
     this.tracerId = crypto.randomUUID();
-    this.serializeFn = option.serializeFn;
   }
 
   public static define<T>(option: ArrayTracerOption<T>): ArrayTracer<T> {
-    const arrayTracer = new ArrayTracer(option);
+    const arrayTracer = new ArrayTracer();
     const registry = Registry.getInstance();
     registry.register("ArrayTracer", arrayTracer.tracerId);
     const commander = Commander.getInstance();