diff --git a/components/spin/style/index.less b/components/spin/style/index.less
index 8279b8b6efce..24008ddb213a 100644
--- a/components/spin/style/index.less
+++ b/components/spin/style/index.less
@@ -85,7 +85,6 @@
 
     /* autoprefixer: off */
     filter: ~"progid\:DXImageTransform\.Microsoft\.Blur(PixelRadius\=1, MakeShadow\=false)";
-    /* autoprefixer: on */
     // workround for a strange style bug in safari:
     // https://github.com/ant-design/ant-design/issues/4622
     // have no clue why this works