--- a/browser/themes/windows/compacttheme.css
+++ b/browser/themes/windows/compacttheme.css
@@ -116,21 +116,16 @@
 
 #navigator-toolbox {
   /* The side borders on the toolbox also look out-of-place because we don't paint over
    * the native background color at all, and these are !important for the same reason as above. */
   border-left: none !important;
   border-right: none !important;
 }
 
-/* Disable dragging like in the default theme: */
-#main-window[tabsintitlebar] #navigator-toolbox > toolbar:not(#toolbar-menubar):not(#TabsToolbar):-moz-lwtheme {
-  -moz-window-dragging: no-drag;
-}
-
 @media (-moz-os-version: windows-win10) {
   .titlebar-button:-moz-lwtheme {
     -moz-context-properties: stroke;
     stroke: currentColor;
   }
   #titlebar-min:-moz-lwtheme {
     list-style-image: url(chrome://browser/skin/window-controls/minimize.svg);
   }