diff --git a/src/material/snack-bar/simple-snack-bar.scss b/src/material/snack-bar/simple-snack-bar.scss
index ac4a737dca5b..bbfb91fdf58d 100644
--- a/src/material/snack-bar/simple-snack-bar.scss
+++ b/src/material/snack-bar/simple-snack-bar.scss
@@ -14,7 +14,6 @@ $mat-snack-bar-button-vertical-margin:
   display: flex;
   justify-content: space-between;
   align-items: center;
-  height: 100%;
   line-height: $mat-snack-bar-line-height;
   opacity: 1;
 }