diff --git a/src/backends/meta-backend-private.h b/src/backends/meta-backend-private.h
index 132646068..10858e041 100644
--- a/src/backends/meta-backend-private.h
+++ b/src/backends/meta-backend-private.h
@@ -106,12 +106,6 @@ struct _MetaBackendClass
   void (* update_screen_size) (MetaBackend *backend, int width, int height);
   void (* select_stage_events) (MetaBackend *backend);
 
-  gboolean (* get_relative_motion_deltas) (MetaBackend *backend,
-                                           const        ClutterEvent *event,
-                                           double       *dx,
-                                           double       *dy,
-                                           double       *dx_unaccel,
-                                           double       *dy_unaccel);
   void (* set_numlock) (MetaBackend *backend,
                         gboolean     numlock_state);
 
@@ -170,13 +164,6 @@ void meta_backend_thaw_updates (MetaBackend *backend);
 void meta_backend_update_last_device (MetaBackend        *backend,
                                       ClutterInputDevice *device);
 
-gboolean meta_backend_get_relative_motion_deltas (MetaBackend *backend,
-                                                  const        ClutterEvent *event,
-                                                  double       *dx,
-                                                  double       *dy,
-                                                  double       *dx_unaccel,
-                                                  double       *dy_unaccel);
-
 MetaPointerConstraint * meta_backend_get_client_pointer_constraint (MetaBackend *backend);
 void meta_backend_set_client_pointer_constraint (MetaBackend *backend,
                                                  MetaPointerConstraint *constraint);
diff --git a/src/backends/meta-backend.c b/src/backends/meta-backend.c
index 2d1519787..9d133c5d4 100644
--- a/src/backends/meta-backend.c
+++ b/src/backends/meta-backend.c
@@ -588,17 +588,6 @@ meta_backend_real_select_stage_events (MetaBackend *backend)
   /* Do nothing */
 }
 
-static gboolean
-meta_backend_real_get_relative_motion_deltas (MetaBackend *backend,
-                                             const         ClutterEvent *event,
-                                             double        *dx,
-                                             double        *dy,
-                                             double        *dx_unaccel,
-                                             double        *dy_unaccel)
-{
-  return FALSE;
-}
-
 static gboolean
 meta_backend_real_is_lid_closed (MetaBackend *backend)
 {
@@ -751,7 +740,6 @@ meta_backend_class_init (MetaBackendClass *klass)
   klass->grab_device = meta_backend_real_grab_device;
   klass->ungrab_device = meta_backend_real_ungrab_device;
   klass->select_stage_events = meta_backend_real_select_stage_events;
-  klass->get_relative_motion_deltas = meta_backend_real_get_relative_motion_deltas;
   klass->is_lid_closed = meta_backend_real_is_lid_closed;
 
   signals[KEYMAP_CHANGED] =
@@ -1221,21 +1209,6 @@ meta_backend_update_last_device (MetaBackend        *backend,
     }
 }
 
-gboolean
-meta_backend_get_relative_motion_deltas (MetaBackend *backend,
-                                         const        ClutterEvent *event,
-                                         double       *dx,
-                                         double       *dy,
-                                         double       *dx_unaccel,
-                                         double       *dy_unaccel)
-{
-  MetaBackendClass *klass = META_BACKEND_GET_CLASS (backend);
-  return klass->get_relative_motion_deltas (backend,
-                                            event,
-                                            dx, dy,
-                                            dx_unaccel, dy_unaccel);
-}
-
 MetaPointerConstraint *
 meta_backend_get_client_pointer_constraint (MetaBackend *backend)
 {
diff --git a/src/backends/native/meta-backend-native.c b/src/backends/native/meta-backend-native.c
index 8d827e7d7..bd441626b 100644
--- a/src/backends/native/meta-backend-native.c
+++ b/src/backends/native/meta-backend-native.c
@@ -508,19 +508,6 @@ meta_backend_native_set_numlock (MetaBackend *backend,
                                          numlock_state);
 }
 
-static gboolean
-meta_backend_native_get_relative_motion_deltas (MetaBackend *backend,
-                                                const        ClutterEvent *event,
-                                                double       *dx,
-                                                double       *dy,
-                                                double       *dx_unaccel,
-                                                double       *dy_unaccel)
-{
-  return meta_event_native_get_relative_motion (event,
-                                                dx, dy,
-                                                dx_unaccel, dy_unaccel);
-}
-
 static void
 meta_backend_native_update_screen_size (MetaBackend *backend,
                                         int width, int height)
@@ -725,7 +712,6 @@ meta_backend_native_class_init (MetaBackendNativeClass *klass)
   backend_class->get_keymap = meta_backend_native_get_keymap;
   backend_class->get_keymap_layout_group = meta_backend_native_get_keymap_layout_group;
   backend_class->lock_layout_group = meta_backend_native_lock_layout_group;
-  backend_class->get_relative_motion_deltas = meta_backend_native_get_relative_motion_deltas;
   backend_class->update_screen_size = meta_backend_native_update_screen_size;
   backend_class->set_numlock = meta_backend_native_set_numlock;
 }
diff --git a/src/wayland/meta-wayland-pointer.c b/src/wayland/meta-wayland-pointer.c
index 24f0ba25b..c643000c3 100644
--- a/src/wayland/meta-wayland-pointer.c
+++ b/src/wayland/meta-wayland-pointer.c
@@ -291,15 +291,21 @@ meta_wayland_pointer_send_relative_motion (MetaWaylandPointer *pointer,
   uint32_t time_us_lo;
   wl_fixed_t dxf, dyf;
   wl_fixed_t dx_unaccelf, dy_unaccelf;
+  MetaBackend *backend = meta_get_backend ();
 
   if (!pointer->focus_client)
     return;
 
-  if (!meta_backend_get_relative_motion_deltas (meta_get_backend (),
-                                                event,
-                                                &dx, &dy,
-                                                &dx_unaccel, &dy_unaccel))
+#ifdef HAVE_NATIVE_BACKEND
+  if (!META_IS_BACKEND_NATIVE (backend) ||
+      !meta_event_native_get_relative_motion (event,
+                                              &dx, &dy,
+                                              &dx_unaccel, &dy_unaccel))
     return;
+#else
+  if (META_IS_BACKEND_X11 (backend))
+    return;
+#endif
 
 #ifdef HAVE_NATIVE_BACKEND
   time_us = meta_event_native_get_time_usec (event);