diff --git a/language/functors/functors-tests.factor b/language/functors/functors-tests.factor
index ef515d0988..df1cc70468 100644
--- a/language/functors/functors-tests.factor
+++ b/language/functors/functors-tests.factor
@@ -14,7 +14,7 @@ WHERE
 
 TUPLE: B { value T } ;
 
-C: <B> B ( T -- B ) ;
+C: <B> B ;
 
 FUNCTOR>