From 56d45d60bd1cf798aa9fb7aac3f7367fa01aaf0d Mon Sep 17 00:00:00 2001
From: Sebastian Silbermann <silbermann.sebastian@gmail.com>
Date: Mon, 23 Jul 2018 11:38:22 +0200
Subject: [PATCH] [Slider]: Remove zero css class completely

---
 packages/material-ui-lab/src/Slider/Slider.d.ts | 1 -
 packages/material-ui-lab/src/Slider/Slider.js   | 6 +-----
 2 files changed, 1 insertion(+), 6 deletions(-)

diff --git a/packages/material-ui-lab/src/Slider/Slider.d.ts b/packages/material-ui-lab/src/Slider/Slider.d.ts
index 862994bffe0da4..879a0b4816c73b 100644
--- a/packages/material-ui-lab/src/Slider/Slider.d.ts
+++ b/packages/material-ui-lab/src/Slider/Slider.d.ts
@@ -28,7 +28,6 @@ export type SliderClassKey =
   | 'focused'
   | 'activated'
   | 'disabled'
-  | 'zero'
   | 'vertical'
   | 'reverse'
   | 'jumped';
diff --git a/packages/material-ui-lab/src/Slider/Slider.js b/packages/material-ui-lab/src/Slider/Slider.js
index 7796b5ede35615..a02a77f86fada6 100644
--- a/packages/material-ui-lab/src/Slider/Slider.js
+++ b/packages/material-ui-lab/src/Slider/Slider.js
@@ -140,8 +140,6 @@ export const styles = theme => {
     activated: {},
     /* Class applied to the root, track and container to trigger JSS nested styles if `vertical`. */
     vertical: {},
-    /* Class applied to the thumb to trigger nested styles if `value` = `min` . */
-    zero: {},
   };
 };
 
@@ -437,9 +435,7 @@ class Slider extends React.Component {
       [classes.vertical]: vertical,
     });
 
-    const thumbClasses = classNames(classes.thumb, commonClasses, {
-      [classes.zero]: percent === 0,
-    });
+    const thumbClasses = classNames(classes.thumb, commonClasses);
 
     const trackProperty = vertical ? 'height' : 'width';
     const thumbProperty = vertical ? 'top' : 'left';