diff --git a/mail/templates/default/app.css b/mail/templates/default/app.css
index a6a324846e..e4bc35463d 100644
--- a/mail/templates/default/app.css
+++ b/mail/templates/default/app.css
@@ -273,10 +273,6 @@ pre {
 	width: 100%;
 	display: table-row;
 }
-.dtree tbody, .dtree tr, .dtree td, .dtree span {
-	width: 100%;
-	overflow: hidden;
-}
 .useEllipsis {
 	text-overflow: ellipsis;
 	width: 250px;
diff --git a/mail/templates/pixelegg/app.css b/mail/templates/pixelegg/app.css
index d3b6473f29..46f68fb53c 100755
--- a/mail/templates/pixelegg/app.css
+++ b/mail/templates/pixelegg/app.css
@@ -268,13 +268,6 @@ pre {
   width: 100%;
   display: table-row;
 }
-.dtree tbody,
-.dtree tr,
-.dtree td,
-.dtree span {
-  width: 100%;
-  overflow: hidden;
-}
 .useEllipsis {
   text-overflow: ellipsis;
   width: 250px;
@@ -2104,13 +2097,6 @@ pre {
   width: 100%;
   display: table-row;
 }
-.dtree tbody,
-.dtree tr,
-.dtree td,
-.dtree span {
-  width: 100%;
-  overflow: hidden;
-}
 .useEllipsis {
   text-overflow: ellipsis;
   width: 250px;
diff --git a/mail/templates/pixelegg/app.less b/mail/templates/pixelegg/app.less
index 16b2f5253c..96eb288ca4 100755
--- a/mail/templates/pixelegg/app.less
+++ b/mail/templates/pixelegg/app.less
@@ -1394,11 +1394,6 @@ pre {
         width: 100%;
         display: table-row;
     }
-    tbody, tr, td, span {
-        width: 100%;
-        overflow: hidden;
-    }
-
 
     // Ende dtree
 }