diff --git a/gdk/win32/gdksurface-win32.c b/gdk/win32/gdksurface-win32.c
index 1ebfaa91c2..13bd0db1aa 100644
--- a/gdk/win32/gdksurface-win32.c
+++ b/gdk/win32/gdksurface-win32.c
@@ -1627,7 +1627,7 @@ _gdk_win32_surface_lacks_wm_decorations (GdkSurface *window)
   has_any_decorations = FALSE;
 
   if (style & (WS_BORDER | WS_THICKFRAME | WS_CAPTION |
-               WS_SYSMENU | WS_MINIMIZEBOX | WS_MAXIMIZEBOX))
+               WS_SYSMENU | WS_MAXIMIZEBOX))
     has_any_decorations = TRUE;
   else
     GDK_NOTE (MISC, g_print ("Window %p (handle %p): has no decorations (style %lx)\n",
@@ -1696,7 +1696,6 @@ _gdk_win32_surface_update_style_bits (GdkSurface *window)
       update_single_bit (&new_style, all, decorations & GDK_DECOR_RESIZEH, WS_THICKFRAME);
       update_single_bit (&new_style, all, decorations & GDK_DECOR_TITLE, WS_CAPTION);
       update_single_bit (&new_style, all, decorations & GDK_DECOR_MENU, WS_SYSMENU);
-      update_single_bit (&new_style, all, decorations & GDK_DECOR_MINIMIZE, WS_MINIMIZEBOX);
       update_single_bit (&new_style, all, decorations & GDK_DECOR_MAXIMIZE, WS_MAXIMIZEBOX);
     }