diff --git a/geval.cabal b/geval.cabal
index 5ee2bec..6c11015 100644
--- a/geval.cabal
+++ b/geval.cabal
@@ -110,7 +110,6 @@ library
                      , ordered-containers
                      , random
                      , rainbow
-                     , hpqtypes
   default-language:    Haskell2010
 
 executable geval
diff --git a/src/GEval/LineByLine.hs b/src/GEval/LineByLine.hs
index f8c710e..50ca31b 100644
--- a/src/GEval/LineByLine.hs
+++ b/src/GEval/LineByLine.hs
@@ -53,7 +53,6 @@ import Data.Conduit.Lift
 import Control.Monad.State.Strict
 
 import Data.Monoid ((<>))
-import Data.Monoid.Utils (mintercalate)
 
 import GEval.FeatureExtractor
 import GEval.BlackBoxDebugging
@@ -122,7 +121,7 @@ runLineByLineWithWorstFeatures ordering featureFilter spec bbdo = do
 
 recordToBytes :: (Chunk Text -> [ByteString] -> [ByteString]) -> SpanLineRecord -> ByteString
 recordToBytes maker (SpanLineRecord inSpans expSpans outSpans score) =
-  mintercalate "\t" [encodeUtf8 $ formatScore score,
+  (mconcat . Data.List.intersperse "\t") [encodeUtf8 $ formatScore score,
                      lineToBytes maker inSpans,
                      lineToBytes maker expSpans,
                      lineToBytes maker outSpans]