diff --git a/src/less/lib/constant.less b/src/less/lib/constant.less
index bada9c000..eed7d0336 100644
--- a/src/less/lib/constant.less
+++ b/src/less/lib/constant.less
@@ -3,7 +3,6 @@
 //classified
 
 //
-@font-size-10: 10px;
 @font-size-12: 12px;
 @font-size-13: 13px;
 @font-size-14: 14px;