diff --git a/bootstrap.less b/bootstrap.less
index e112eac..f9e76f0 100644
--- a/bootstrap.less
+++ b/bootstrap.less
@@ -114,8 +114,6 @@
   .button(@color: #f5f5f5, @text_color: #333, @text_shadow: 0 1px 1px rgba(255,255,255,.75), @font_size: 13px, @padding: 9px 15px 10px, @rounded: 6px) {
     display: inline-block;
     #gradient > .vertical(@color,darken(saturate(@color,10),10));
-    #gradient > .vertical(
-    );
     padding: @padding;
     text-shadow: @text_shadow;
     color: @text_color;