diff --git a/scss/_reboot.scss b/scss/_reboot.scss
index 5b0f09bbe4..1920474a96 100644
--- a/scss/_reboot.scss
+++ b/scss/_reboot.scss
@@ -331,8 +331,6 @@ legend {
 }
 
 input[type="search"] {
-  // Undo Normalize's default here to match our global overrides.
-  box-sizing: inherit;
   // This overrides the extra rounded corners on search inputs in iOS so that our
   // `.form-control` class can properly style them. Note that this cannot simply
   // be added to `.form-control` as it's not specific enough. For details, see