diff --git a/mozilla/suite/themes/classic/messenger/smime/msgReadSecurityInfo.css b/mozilla/suite/themes/classic/messenger/smime/msgReadSecurityInfo.css
index 977de637853..925bf705d95 100644
--- a/mozilla/suite/themes/classic/messenger/smime/msgReadSecurityInfo.css
+++ b/mozilla/suite/themes/classic/messenger/smime/msgReadSecurityInfo.css
@@ -42,15 +42,6 @@
 
 @namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
 
-#msgReadSecurityInfo {
-  width: 40em;
-  max-width: 50em;
-}
-
-#outer_vbox {
-  margin: 5px;
-}
-
 #signatureLabel {
   font-weight: bold;
 }
diff --git a/mozilla/suite/themes/modern/messenger/smime/msgReadSecurityInfo.css b/mozilla/suite/themes/modern/messenger/smime/msgReadSecurityInfo.css
index 977de637853..925bf705d95 100644
--- a/mozilla/suite/themes/modern/messenger/smime/msgReadSecurityInfo.css
+++ b/mozilla/suite/themes/modern/messenger/smime/msgReadSecurityInfo.css
@@ -42,15 +42,6 @@
 
 @namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
 
-#msgReadSecurityInfo {
-  width: 40em;
-  max-width: 50em;
-}
-
-#outer_vbox {
-  margin: 5px;
-}
-
 #signatureLabel {
   font-weight: bold;
 }