diff --git a/src/__stories__/useResizeObserver.story.tsx b/src/__stories__/useResizeObserver.story.tsx
index f97dcb62..d2cfdabe 100644
--- a/src/__stories__/useResizeObserver.story.tsx
+++ b/src/__stories__/useResizeObserver.story.tsx
@@ -5,8 +5,7 @@ import { useResizeObserver } from '..';
 import ShowDocs from './util/ShowDocs';
 
 const Demo = () => {
-  const ref = useRef(null);
-  const { width, height } = useResizeObserver(ref);
+  const { width, height } = useResizeObserver();
   console.log('wh', width, height);
 
   return (
diff --git a/src/useResizeObserver.ts b/src/useResizeObserver.ts
index 41058478..c3c246d0 100644
--- a/src/useResizeObserver.ts
+++ b/src/useResizeObserver.ts
@@ -1,4 +1,4 @@
-import { RefObject, useEffect, useState } from 'react';
+import { RefObject, useEffect, useRef, useState } from 'react';
 import { isClient } from './util';
 declare const ResizeObserver: ResizeObserver;
 
@@ -7,18 +7,15 @@ export interface ResizeObserverResult {
   height: number;
 }
 
-export type ResizeObserverHook = (
-  ref: RefObject<Element>,
-  defaults: Partial<ResizeObserverResult>
-) => ResizeObserverResult;
+export type ResizeObserverHook = (defaults: Partial<ResizeObserverResult>) => [ResizeObserverResult, RefObject<Element>];
 
 let useResizeObserver: ResizeObserverHook;
 
 if (isClient) {
   useResizeObserver = (
-    ref: RefObject<Element>,
-    { width = Infinity, height = Infinity }: Partial<ResizeObserverResult> = {}
+    {width = Infinity, height = Infinity}: Partial<ResizeObserverResult> = {}
   ): ResizeObserverResult => {
+    const ref = useRef<Element>(null);
     const [state, setState] = useState<ResizeObserverResult>({ width, height });
 
     useEffect(() => {
@@ -38,7 +35,7 @@ if (isClient) {
     return state;
   };
 } else {
-  useResizeObserver = (ref, { width = Infinity, height = Infinity } = {}) => {
+  useResizeObserver = ({ width = Infinity, height = Infinity } = {}) => {
     return { width, height };
   };
 }
diff --git a/tsconfig.json b/tsconfig.json
index a30c351b..e3e45d37 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -10,7 +10,7 @@
     "sourceMap": false,
     "strict": true,
     "noUnusedLocals": true,
-    "noUnusedParameters": false,
+    "noUnusedParameters": true,
     "noImplicitReturns": true,
     "noImplicitAny": false,
     "noFallthroughCasesInSwitch": true,