diff --git a/less/spinning.less b/less/spinning.less
index 60828fe5c..d35de9da9 100644
--- a/less/spinning.less
+++ b/less/spinning.less
@@ -20,10 +20,6 @@
   0% { -o-transform: rotate(0deg); }
   100% { -o-transform: rotate(359deg); }
 }
-@-ms-keyframes spin {
-  0% { -ms-transform: rotate(0deg); }
-  100% { -ms-transform: rotate(359deg); }
-}
 @keyframes spin {
   0% { transform: rotate(0deg); }
   100% { transform: rotate(359deg); }