diff --git a/basis/furnace/recaptcha/recaptcha.factor b/basis/furnace/recaptcha/recaptcha.factor
index d99af16a52..38ba8e2b1f 100644
--- a/basis/furnace/recaptcha/recaptcha.factor
+++ b/basis/furnace/recaptcha/recaptcha.factor
@@ -9,7 +9,7 @@ IN: furnace.recaptcha
 
 TUPLE: recaptcha < filter-responder domain public-key private-key ;
 
-SYMBOLS: recaptcha-valid? recaptcha-error ;
+SYMBOL: recaptcha-error
 
 : <recaptcha> ( responder -- recaptcha )
     recaptcha new