diff --git a/src/exercise/03.js b/src/exercise/03.js
index 5479d1e4..92355d9a 100644
--- a/src/exercise/03.js
+++ b/src/exercise/03.js
@@ -7,7 +7,7 @@ import {Switch} from '../switch'
 // 🐨 create your ToggleContext context here
 // 📜 https://reactjs.org/docs/context.html#reactcreatecontext
 
-function Toggle({onToggle, children}) {
+function Toggle({children}) {
   const [on, setOn] = React.useState(false)
   const toggle = () => setOn(!on)