diff --git a/doctest-lib.cabal b/doctest-lib.cabal
--- a/doctest-lib.cabal
+++ b/doctest-lib.cabal
@@ -1,6 +1,6 @@
 Cabal-Version:  2.2
 Name:           doctest-lib
-Version:        0.1.1
+Version:        0.1.1.1
 License:        MIT
 License-File:   LICENSE
 Author:         Henning Thielemann <haskell@henning-thielemann.de>, Simon Hengel <sol@typeful.net>
@@ -15,7 +15,7 @@
 Build-Type:     Simple
 
 Source-Repository this
-  Tag:         0.1.1
+  Tag:         0.1.1.1
   Type:        darcs
   Location:    https://hub.darcs.net/thielema/doctest-lib/
 
@@ -25,7 +25,6 @@
 
 Library
   Build-Depends:
-    utility-ht >=0.0.14 && <0.1,
     base >=4.3 && <5
 
   GHC-Options:      -Wall
diff --git a/src/Test/DocTest/Parse.hs b/src/Test/DocTest/Parse.hs
--- a/src/Test/DocTest/Parse.hs
+++ b/src/Test/DocTest/Parse.hs
@@ -8,12 +8,12 @@
 import Test.DocTest.Location (Located(Located), unLoc)
 import Test.DocTest.Base
 
-import qualified Data.List.HT as ListHT
-import Data.List (stripPrefix, isPrefixOf)
+import Data.List (stripPrefix, isPrefixOf, tails)
 import Data.Maybe (fromMaybe, isJust)
 import Data.Char (isSpace)
 
 import Control.Arrow (second)
+import Control.Monad (msum)
 import Control.Applicative ((<$>), (<|>))
 
 
@@ -58,7 +58,7 @@
     isEndOfInteraction x = isJust (maybePrompt x) || isBlankLine x
 
     go xs =
-      case ListHT.dropWhileNothing maybePrompt xs of
+      case dropWhileNothing maybePrompt xs of
         Nothing -> []
         Just ((ind, (prompt, firstLine@(Located loc firstLineStr))), rest) ->
           let firstLineUnindented = dropWhile isSpace firstLineStr in
@@ -81,6 +81,15 @@
                         (Example exprStr $ map mkExpectedLine $ unindent ind ys)
                     :
                     go zs
+
+
+-- Cf. utility-ht:Data.List.HT
+dropWhileNothing :: (a -> Maybe b) -> [a] -> Maybe (b, [a])
+dropWhileNothing f =
+   msum .
+   map (\at -> case at of [] -> Nothing; a:as -> fmap (flip (,) as) (f a)) .
+   tails
+
 
 unindent :: String -> [Located pos String] -> [String]
 unindent pre = map (tryStripPrefix pre . unLoc)
