diff --git a/modules/src/flt_arith/flt_cmp.c b/modules/src/flt_arith/flt_cmp.c
index 65316315c..e9f8eb152 100644
--- a/modules/src/flt_arith/flt_cmp.c
+++ b/modules/src/flt_arith/flt_cmp.c
@@ -11,8 +11,6 @@ int
 flt_cmp(e1, e2)
 	register flt_arith *e1, *e2;
 {
-	int sign;
-	int tmp;
 	flt_arith x;
 
 	flt_sub(e1, e2, &x);