1 files changed, 3 insertions, 5 deletions
diff --git a/widget/windows/nsUXThemeData.cpp b/widget/windows/nsUXThemeData.cpp
index bcbd32484..4d9ac9570 100644
--- a/widget/windows/nsUXThemeData.cpp
+++ b/widget/windows/nsUXThemeData.cpp
@@ -143,10 +143,8 @@ nsUXThemeData::InitTitlebarInfo()
   sCommandButtons[3].cx = sCommandButtons[0].cx * 3;
   sCommandButtons[3].cy = sCommandButtons[0].cy;
 
-  // Use system metrics for pre-vista, otherwise trigger a
-  // refresh on the next layout.
-  sTitlebarInfoPopulatedAero = sTitlebarInfoPopulatedThemed =
-    !IsVistaOrLater();
+  // Trigger a refresh on the next layout.
+  sTitlebarInfoPopulatedAero = sTitlebarInfoPopulatedThemed = false;
 }
 
 // static
@@ -306,7 +304,7 @@ void
 nsUXThemeData::UpdateNativeThemeInfo()
 {
   // Trigger a refresh of themed button metrics if needed
-  sTitlebarInfoPopulatedThemed = !IsVistaOrLater();
+  sTitlebarInfoPopulatedThemed = false;
 
   sIsDefaultWindowsTheme = false;
   sThemeId = LookAndFeel::eWindowsTheme_Generic;