classes.mixin: add-mixin-instance doesn't need to be generic

diff --git a/core/classes/mixin/mixin.factor b/core/classes/mixin/mixin.factor
index 93bb8e2190bf9fbe398f271bc5f12baf8214345c..bf4dfe643f1cc34344f12a0f0a429eb59ee95fd5 100644 (file)
--- a/core/classes/mixin/mixin.factor
+++ b/core/classes/mixin/mixin.factor
@@ -68,9 +68,7 @@ ERROR: check-mixin-class-error class ;
 
 PRIVATE>
 
-GENERIC# add-mixin-instance 1 ( class mixin -- )
-
-M: class add-mixin-instance
+: add-mixin-instance ( class mixin -- )
     [ 2drop ] [ (add-mixin-instance) ] if-mixin-member? ;
 
 : remove-mixin-instance ( class mixin -- )