diff --git a/log-effect.cabal b/log-effect.cabal
--- a/log-effect.cabal
+++ b/log-effect.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                log-effect
-version:             0.3.0.1
+version:             0.3.0.2
 synopsis:            An extensible log effect using extensible-effects
 description:         Any help (especially documentation) is very welcome,
 homepage:            https://github.com/ibotty/log-effect
diff --git a/src/Control/Eff/Log.hs b/src/Control/Eff/Log.hs
--- a/src/Control/Eff/Log.hs
+++ b/src/Control/Eff/Log.hs
@@ -32,8 +32,6 @@
   , logNext :: v
   } deriving (Typeable, Functor)
 
-instance Member (Log m) r => SetMember Log (Log m) r
-
 class ShowLog l where
     showLog :: l -> LogStr
 
