diff --git a/mail/templates/pixelegg/app.css b/mail/templates/pixelegg/app.css
index b3ef409f40..9ca568af1e 100755
--- a/mail/templates/pixelegg/app.css
+++ b/mail/templates/pixelegg/app.css
@@ -1024,7 +1024,6 @@ body {
   margin: 3px 5px 0 0;
 }
 #mail-index div#mail-index_mailPreview div#mail-index_mailPreviewHeadersSubject {
-  width: 58%;
   text-overflow: ellipsis;
   overflow: hidden;
   white-space: nowrap;
diff --git a/mail/templates/pixelegg/app.less b/mail/templates/pixelegg/app.less
index 89e0255835..ac4587997f 100755
--- a/mail/templates/pixelegg/app.less
+++ b/mail/templates/pixelegg/app.less
@@ -118,7 +118,6 @@ body {
 
 		// Subject
 		div#mail-index_mailPreviewHeadersSubject {
-			width: 58%;
 			text-overflow: ellipsis;
 			overflow: hidden;
 			white-space: nowrap;