diff --git a/dev/Styles/FolderList.less b/dev/Styles/FolderList.less
index 921853ddd..42985de66 100644
--- a/dev/Styles/FolderList.less
+++ b/dev/Styles/FolderList.less
@@ -240,7 +240,7 @@
 
 .btn {
 	&.buttonCompose {
-		width: calc(~'100% - 85px');
+		width: calc(100% - 85px);
 		max-width: -moz-fit-content;
 		max-width: -webkit-fit-content;
 		max-width: fit-content;
diff --git a/dev/Styles/Languages.less b/dev/Styles/Languages.less
index ca88ccadf..e84676baf 100644
--- a/dev/Styles/Languages.less
+++ b/dev/Styles/Languages.less
@@ -40,6 +40,6 @@
 
 @media screen and (max-width: 999px) {
 	.b-languages-content .lang-item {
-		width: calc(~'100% - 40px');
+		width: calc(100% - 40px);
 	}
 }