diff --git a/util/ego/ud/ud.c b/util/ego/ud/ud.c
index 37a39ad16..c6ca8c561 100644
--- a/util/ego/ud/ud.c
+++ b/util/ego/ud/ud.c
@@ -17,12 +17,15 @@
 #include "../share/init_glob.h"
 #include "../share/locals.h"
 #include "../share/go.h"
-#include "../../../h/em_pseu.h"
 #include "../../../h/em_spec.h"
 #include "ud_defs.h"
 #include "ud_const.h"
 #include "ud_copy.h"
 
+/* core allocation macros */
+#define newudbx()	(bext_p) newstruct(bext_ud)
+#define oldudbx(x)	oldstruct(bext_ud,x)
+
 short nrglobals;
 short nrvars;