diff --git a/src/backends/native/meta-kms-update.c b/src/backends/native/meta-kms-update.c
index 33968ee83..7658db0ca 100644
--- a/src/backends/native/meta-kms-update.c
+++ b/src/backends/native/meta-kms-update.c
@@ -1092,13 +1092,6 @@ meta_kms_update_set_flushing (MetaKmsUpdate *update,
   update_latch_crtc (update, crtc);
 }
 
-gboolean
-meta_kms_update_is_flushing (MetaKmsUpdate *update,
-                             MetaKmsCrtc   *crtc)
-{
-  return update->latch_crtc == crtc;
-}
-
 MetaKmsCrtc *
 meta_kms_update_get_latch_crtc (MetaKmsUpdate *update)
 {
diff --git a/src/backends/native/meta-kms-update.h b/src/backends/native/meta-kms-update.h
index b71f60a13..5550158e9 100644
--- a/src/backends/native/meta-kms-update.h
+++ b/src/backends/native/meta-kms-update.h
@@ -111,9 +111,6 @@ void meta_kms_update_free (MetaKmsUpdate *update);
 void meta_kms_update_set_flushing (MetaKmsUpdate *update,
                                    MetaKmsCrtc   *crtc);
 
-gboolean meta_kms_update_is_flushing (MetaKmsUpdate *update,
-                                      MetaKmsCrtc   *crtc);
-
 META_EXPORT_TEST
 MetaKmsDevice * meta_kms_update_get_device (MetaKmsUpdate *update);