diff --git a/libgimpbase/gimpdatafiles.h b/libgimpbase/gimpdatafiles.h
index b35cacf912..a8cfc0cb53 100644
--- a/libgimpbase/gimpdatafiles.h
+++ b/libgimpbase/gimpdatafiles.h
@@ -56,9 +56,11 @@ struct _GimpDatafileData
 };
 
 
+GIMP_DEPRECATED
 gboolean   gimp_datafiles_check_extension  (const gchar            *filename,
                                             const gchar            *extension);
 
+GIMP_DEPRECATED_FOR(GFileEnumerator)
 void       gimp_datafiles_read_directories (const gchar            *path_str,
                                             GFileTest               flags,
                                             GimpDatafileLoaderFunc  loader_func,