1 files changed, 2 insertions, 6 deletions
diff --git a/toolkit/themes/windows/global/global.css b/toolkit/themes/windows/global/global.css
index 20a190684..aaddef882 100644
--- a/toolkit/themes/windows/global/global.css
+++ b/toolkit/themes/windows/global/global.css
@@ -350,9 +350,7 @@ popupnotificationcontent {
   width: 20px;
 }
 
-@media (-moz-os-version: windows-xp),
-       (-moz-os-version: windows-vista),
-       (-moz-os-version: windows-win7) {
+@media (-moz-os-version: windows-win7) {
   .close-icon {
     -moz-image-region: rect(0, 16px, 16px, 0);
   }
@@ -386,9 +384,7 @@ popupnotificationcontent {
     -moz-image-region: rect(0, 120px, 40px, 80px);
   }
 
-  @media (-moz-os-version: windows-xp),
-         (-moz-os-version: windows-vista),
-         (-moz-os-version: windows-win7) {
+  @media (-moz-os-version: windows-win7) {
     .close-icon {
       -moz-image-region: rect(0, 32px, 32px, 0);
     }