1 files changed, 0 insertions, 2 deletions
diff --git a/c/defs.h b/c/defs.h
index d4504ed..fd258f6 100644
--- a/c/defs.h
+++ b/c/defs.h
@@ -33,8 +33,6 @@ void DlvShowEpisode(int);
 #define Q(m,p,a,t) PL_open_query(NULL, PL_Q_NORMAL, PL_predicate(p,a,m), t)
 #define Qn(q) PL_next_solution(q)
 #define Qc(q) PL_cut_query(q)
-#define F(f) f = PL_open_foreign_frame()
-#define Fd(f) PL_discard_foreign_frame(f)
 #define T(a) PL_new_term_refs(a)
 #define PI(t,x) if (!PL_put_integer(t,x))
 #define GI(t,x) if (!PL_get_integer(t,x))