diff --git a/src/hb-machinery.hh b/src/hb-machinery.hh
index 0197f6191..602269081 100644
--- a/src/hb-machinery.hh
+++ b/src/hb-machinery.hh
@@ -305,38 +305,22 @@ struct hb_table_lazy_loader_t : hb_lazy_loader_t<T,
   hb_blob_t* get_blob () const { return this->get_stored (); }
 };
 
-template <typename Subclass>
-struct hb_font_funcs_lazy_loader_t : hb_lazy_loader_t<hb_font_funcs_t, Subclass>
-{
-  static void destroy (hb_font_funcs_t *p)
-  { hb_font_funcs_destroy (p); }
-  static const hb_font_funcs_t *get_null ()
-  { return hb_font_funcs_get_empty (); }
-};
-template <typename Subclass>
-struct hb_unicode_funcs_lazy_loader_t : hb_lazy_loader_t<hb_unicode_funcs_t, Subclass>
-{
-  static void destroy (hb_unicode_funcs_t *p)
-  { hb_unicode_funcs_destroy (p); }
-  static const hb_unicode_funcs_t *get_null ()
-  { return hb_unicode_funcs_get_empty (); }
-};
-template <typename Subclass>
-struct hb_draw_funcs_lazy_loader_t : hb_lazy_loader_t<hb_draw_funcs_t, Subclass>
-{
-  static void destroy (hb_draw_funcs_t *p)
-  { hb_draw_funcs_destroy (p); }
-  static const hb_draw_funcs_t *get_null ()
-  { return hb_draw_funcs_get_empty (); }
-};
-template <typename Subclass>
-struct hb_paint_funcs_lazy_loader_t : hb_lazy_loader_t<hb_paint_funcs_t, Subclass>
-{
-  static void destroy (hb_paint_funcs_t *p)
-  { hb_paint_funcs_destroy (p); }
-  static const hb_paint_funcs_t *get_null ()
-  { return hb_paint_funcs_get_empty (); }
-};
+#define HB_DEFINE_TYPE_FUNCS_LAZY_LOADER_T(Type) \
+  template <typename Subclass> \
+  struct hb_##Type##_funcs_lazy_loader_t : hb_lazy_loader_t<hb_##Type##_funcs_t, Subclass> \
+  { \
+    static void destroy (hb_##Type##_funcs_t *p) \
+    { hb_##Type##_funcs_destroy (p); } \
+    static const hb_##Type##_funcs_t *get_null () \
+    { return hb_##Type##_funcs_get_empty (); } \
+  }
+
+HB_DEFINE_TYPE_FUNCS_LAZY_LOADER_T (font);
+HB_DEFINE_TYPE_FUNCS_LAZY_LOADER_T (unicode);
+HB_DEFINE_TYPE_FUNCS_LAZY_LOADER_T (draw);
+HB_DEFINE_TYPE_FUNCS_LAZY_LOADER_T (paint);
+
+#undef HB_DEFINE_TYPE_FUNCS_LAZY_LOADER_T
 
 
 #endif /* HB_MACHINERY_HH */