diff --git a/packages/material-ui/src/Drawer/Drawer.js b/packages/material-ui/src/Drawer/Drawer.js
index ffaf3e5a0c8c49..7bf2f8a4557d5d 100644
--- a/packages/material-ui/src/Drawer/Drawer.js
+++ b/packages/material-ui/src/Drawer/Drawer.js
@@ -148,11 +148,7 @@ class Drawer extends React.Component {
 
     if (variant === 'permanent') {
       return (
-        <div
-          className={clsx(classes.root, classes.docked, className)}
-          ref={innerRef}
-          {...other}
-        >
+        <div className={clsx(classes.root, classes.docked, className)} ref={innerRef} {...other}>
           {drawer}
         </div>
       );
diff --git a/packages/material-ui/src/StepContent/StepContent.js b/packages/material-ui/src/StepContent/StepContent.js
index a522d4f97ad7a0..2ddc093d5771d5 100644
--- a/packages/material-ui/src/StepContent/StepContent.js
+++ b/packages/material-ui/src/StepContent/StepContent.js
@@ -54,11 +54,7 @@ const StepContent = React.forwardRef(function StepContent(props, ref) {
   }
 
   return (
-    <div
-      className={clsx(classes.root, { [classes.last]: last }, className)}
-      ref={ref}
-      {...other}
-    >
+    <div className={clsx(classes.root, { [classes.last]: last }, className)} ref={ref} {...other}>
       <TransitionComponent
         in={active}
         className={classes.transition}
diff --git a/packages/material-ui/src/utils/withForwardedRef.js b/packages/material-ui/src/utils/withForwardedRef.js
index b8c02097942b10..e4ab0135306553 100644
--- a/packages/material-ui/src/utils/withForwardedRef.js
+++ b/packages/material-ui/src/utils/withForwardedRef.js
@@ -5,15 +5,15 @@ import { getDisplayName, hoistMuiStatics } from '@material-ui/utils';
  * Enables ref forwarding on a given component that uses `innerRef` to forward refs
  * This is useful for component implementations that predate `forwardRef` and
  * used other props to forward refs.
- * 
+ *
  * Instead of `<Component innerRef={ref} />` you can write
- * `<withForwardRef(Component) ref={ref} />`. 
- * 
+ * `<withForwardRef(Component) ref={ref} />`.
+ *
  * This HOC does not handle prop collision. In
  * `<withForwardRef(Component) ref={ref} innerRef={innerRef} />` `innerRef` will be dropped
- * 
+ *
  * Only copies statics from material-ui over.
- * 
+ *
  * @param {React.ComponentType} Component
  * @returns {React.ForwardRefComponent}
  */