diff --git a/generator/c.ml b/generator/c.ml
index a2b9c94c8..ae8e9335a 100644
--- a/generator/c.ml
+++ b/generator/c.ml
@@ -645,13 +645,7 @@ extern GUESTFS_DLL_PUBLIC void *guestfs_next_private (guestfs_h *g, const char *
   let generate_action_header { name = shortname;
                                style = ret, args, optargs as style;
                                deprecated_by = deprecated_by } =
-    let test =
-      String.length shortname >= 13 &&
-        String.sub shortname 0 13 = "internal_test" in
-    let debug =
-      String.length shortname >= 5 && String.sub shortname 0 5 = "debug" in
-    if deprecated_by = None && not test && not debug then
-      pr "#define GUESTFS_HAVE_%s 1\n" (String.uppercase shortname);
+    pr "#define GUESTFS_HAVE_%s 1\n" (String.uppercase shortname);
 
     if optargs <> [] then (
       iteri (