diff --git a/pages/lab/api/slider.md b/pages/lab/api/slider.md
index e9398b6ecc6ffa..f82b4d2e41d9a9 100644
--- a/pages/lab/api/slider.md
+++ b/pages/lab/api/slider.md
@@ -50,7 +50,6 @@ This property accepts the following keys:
 | <span class="prop-name">focused</span> | Class applied to the track and thumb elements to trigger JSS nested styles if `focused`.
 | <span class="prop-name">activated</span> | Class applied to the track and thumb elements to trigger JSS nested styles if `activated`.
 | <span class="prop-name">vertical</span> | Class applied to the root, track and container to trigger JSS nested styles if `vertical`.
-| <span class="prop-name">zero</span> | Class applied to the thumb to trigger nested styles if `value` = `min` .
 
 Have a look at [overriding with classes](/customization/overrides#overriding-with-classes) section
 and the [implementation of the component](https://github.com/mui-org/material-ui/tree/master/packages/material-ui-lab/src/Slider/Slider.js)