diff --git a/src/wayland/meta-wayland-outputs.c b/src/wayland/meta-wayland-outputs.c
index c2ed5986b..dfd21a37f 100644
--- a/src/wayland/meta-wayland-outputs.c
+++ b/src/wayland/meta-wayland-outputs.c
@@ -144,23 +144,6 @@ calculate_wayland_output_scale (MetaMonitor *monitor)
   return ceilf (scale);
 }
 
-static void
-get_native_output_mode_resolution (MetaMonitor     *monitor,
-                                   MetaMonitorMode *mode,
-                                   int             *mode_width,
-                                   int             *mode_height)
-{
-  MetaLogicalMonitor *logical_monitor;
-  MetaMonitorTransform transform;
-
-  logical_monitor = meta_monitor_get_logical_monitor (monitor);
-  transform = meta_logical_monitor_get_transform (logical_monitor);
-  if (meta_monitor_transform_is_rotated (transform))
-    meta_monitor_mode_get_resolution (mode, mode_height, mode_width);
-  else
-    meta_monitor_mode_get_resolution (mode, mode_width, mode_height);
-}
-
 static enum wl_output_transform
 wl_output_transform_from_transform (MetaMonitorTransform transform)
 {
@@ -259,10 +242,9 @@ send_output_events (struct wl_resource *resource,
   if (current_mode == preferred_mode)
     mode_flags |= WL_OUTPUT_MODE_PREFERRED;
 
-  get_native_output_mode_resolution (monitor,
-                                     current_mode,
-                                     &new_width,
-                                     &new_height);
+  meta_monitor_mode_get_resolution (current_mode,
+                                    &new_width,
+                                    &new_height);
   if (need_all_events ||
       wayland_output->mode_width != new_width ||
       wayland_output->mode_height != new_height ||
@@ -383,10 +365,9 @@ meta_wayland_output_set_monitor (MetaWaylandOutput *wayland_output,
   wayland_output->transform =
     meta_logical_monitor_get_transform (logical_monitor);
 
-  get_native_output_mode_resolution (monitor,
-                                     current_mode,
-                                     &wayland_output->mode_width,
-                                     &wayland_output->mode_height);
+  meta_monitor_mode_get_resolution (current_mode,
+                                    &wayland_output->mode_width,
+                                    &wayland_output->mode_height);
 }
 
 static void