diff --git a/src/Data/Abstract/Value/Abstract.hs b/src/Data/Abstract/Value/Abstract.hs
index 19b086bbb..d3988e09e 100644
--- a/src/Data/Abstract/Value/Abstract.hs
+++ b/src/Data/Abstract/Value/Abstract.hs
@@ -141,8 +141,6 @@ instance AbstractHole Abstract where
   hole = Abstract
 
 instance AbstractIntro Abstract where
-  hash _     = Abstract
-  kvPair _ _ = Abstract
   null       = Abstract
 
 instance AbstractValue term address Abstract m where