diff --git a/war/src/main/less/base/style.less b/war/src/main/less/base/style.less
index e79ea566f788..dd54dce5fbde 100644
--- a/war/src/main/less/base/style.less
+++ b/war/src/main/less/base/style.less
@@ -594,7 +594,6 @@ label.attach-previous {
     min-height: 16px;
     line-height: 16px;
     background-image: url("../../images/svgs/warning.svg");
-    background-size: 16px 16px;
     background-position: left center;
     background-repeat: no-repeat;
     background-size: contain;