diff --git a/src/less/material/icons.less b/src/less/material/icons.less
index ca9cf2f050..0b3791e9de 100644
--- a/src/less/material/icons.less
+++ b/src/less/material/icons.less
@@ -97,6 +97,7 @@ i.icon {
     &.icon-plus {
         width: 24px;
         height: 24px;
+        font-size: 0;
         .encoded-svg-background("<svg fill='#FFFFFF' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");
     }
 }