diff --git a/packages/material-ui/src/Button/Button.js b/packages/material-ui/src/Button/Button.js
index 3bcdb931549662..85fde321939beb 100644
--- a/packages/material-ui/src/Button/Button.js
+++ b/packages/material-ui/src/Button/Button.js
@@ -73,18 +73,13 @@ export const styles = theme => ({
   outlined: {
     padding: '5px 16px',
     border: `1px solid ${
-      theme.palette.type === 'light' ? 'rgba(0, 0, 0, 0.23)' : 'rgba(255, 255, 255, 0.23)'
+      theme.palette.type === 'light' ? 'rgba(0, 0, 0, 0.12)' : 'rgba(255, 255, 255, 0.12)'
     }`,
-    '&$disabled': {
-      border: `1px solid ${theme.palette.action.disabled}`,
-    },
   },
   /* Styles applied to the root element if `variant="outlined"` and `color="primary"`. */
   outlinedPrimary: {
     color: theme.palette.primary.main,
-    border: `1px solid ${fade(theme.palette.primary.main, 0.5)}`,
     '&:hover': {
-      border: `1px solid ${theme.palette.primary.main}`,
       backgroundColor: fade(theme.palette.primary.main, theme.palette.action.hoverOpacity),
       // Reset on touch devices, it doesn't add specificity
       '@media (hover: none)': {
@@ -95,18 +90,13 @@ export const styles = theme => ({
   /* Styles applied to the root element if `variant="outlined"` and `color="secondary"`. */
   outlinedSecondary: {
     color: theme.palette.secondary.main,
-    border: `1px solid ${fade(theme.palette.secondary.main, 0.5)}`,
     '&:hover': {
-      border: `1px solid ${theme.palette.secondary.main}`,
       backgroundColor: fade(theme.palette.secondary.main, theme.palette.action.hoverOpacity),
       // Reset on touch devices, it doesn't add specificity
       '@media (hover: none)': {
         backgroundColor: 'transparent',
       },
     },
-    '&$disabled': {
-      border: `1px solid ${theme.palette.action.disabled}`,
-    },
   },
   /* Styles applied to the root element if `variant="contained"`. */
   contained: {