diff --git a/src/Analysis/Abstract/Caching/FlowInsensitive.hs b/src/Analysis/Abstract/Caching/FlowInsensitive.hs
index c38948fd3..8951cd22e 100644
--- a/src/Analysis/Abstract/Caching/FlowInsensitive.hs
+++ b/src/Analysis/Abstract/Caching/FlowInsensitive.hs
@@ -9,7 +9,6 @@ module Analysis.Abstract.Caching.FlowInsensitive
 , caching
 ) where
 
-import Control.Algebra (Effect)
 import Control.Carrier.Fresh.Strict
 import Control.Carrier.NonDet.Church
 import Control.Carrier.Reader