diff --git a/Gemfile.lock b/Gemfile.lock
index 8305fa03..1681eaa5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    compass (0.12.alpha.2.701c8d3)
+    compass (0.12.alpha.2.70ee152)
       chunky_png (~> 1.2)
       fssm (>= 0.2.7)
       sass (~> 3.1)
diff --git a/frameworks/compass/stylesheets/compass/css3/_box-shadow.scss b/frameworks/compass/stylesheets/compass/css3/_box-shadow.scss
index 7d3f3722..ea47dc97 100644
--- a/frameworks/compass/stylesheets/compass/css3/_box-shadow.scss
+++ b/frameworks/compass/stylesheets/compass/css3/_box-shadow.scss
@@ -45,7 +45,7 @@ $default-box-shadow-inset : false !default;
   }
   $shadow : compact($shadow-1, $shadow-2, $shadow-3, $shadow-4, $shadow-5, $shadow-6, $shadow-7, $shadow-8, $shadow-9, $shadow-10);
   @include experimental(box-shadow, $shadow,
-    -moz, -webkit, -o, not -ms, not -khtml, official
+    -moz, -webkit, not -o, not -ms, not -khtml, official
   );
 }
 
diff --git a/test/fixtures/stylesheets/compass/css/box_shadow.css b/test/fixtures/stylesheets/compass/css/box_shadow.css
index f92df4ca..305f454f 100644
--- a/test/fixtures/stylesheets/compass/css/box_shadow.css
+++ b/test/fixtures/stylesheets/compass/css/box_shadow.css
@@ -1,17 +1,14 @@
 .box-shadow {
   -webkit-box-shadow: 0px 0px 5px #333333, 2px 2px 5px #222222;
   -moz-box-shadow: 0px 0px 5px #333333, 2px 2px 5px #222222;
-  -o-box-shadow: 0px 0px 5px #333333, 2px 2px 5px #222222;
   box-shadow: 0px 0px 5px #333333, 2px 2px 5px #222222; }
 
 .single-box-shadow {
   -webkit-box-shadow: 0px 0px 5px #333333;
   -moz-box-shadow: 0px 0px 5px #333333;
-  -o-box-shadow: 0px 0px 5px #333333;
   box-shadow: 0px 0px 5px #333333; }
 
 .multiple-box-shadows {
   -webkit-box-shadow: 0px 0px 5px #333333, 2px 2px 5px #222222;
   -moz-box-shadow: 0px 0px 5px #333333, 2px 2px 5px #222222;
-  -o-box-shadow: 0px 0px 5px #333333, 2px 2px 5px #222222;
   box-shadow: 0px 0px 5px #333333, 2px 2px 5px #222222; }