diff --git a/idris.cabal b/idris.cabal
index c05a406b7..cf72177cd 100644
--- a/idris.cabal
+++ b/idris.cabal
@@ -983,9 +983,6 @@ Library
                 , fsnotify < 2.2
                 , async < 2.1
 
-  -- regex-compat needed for the test/runtest.hs script, which isn't built by cabal
-  build-depends: regex-compat < 1.0
-
   -- zlib >= 0.6.1 is broken with GHC < 7.10.3
   if impl(ghc < 7.10.3)
      build-depends: zlib < 0.6.1
diff --git a/test/runtest.hs b/test/runtest.hs
index df2e90c85..ed8ec7624 100644
--- a/test/runtest.hs
+++ b/test/runtest.hs
@@ -2,6 +2,7 @@
 module Main where
 
 import Control.Monad
+import Data.Char
 import Data.List
 import Data.Maybe
 import qualified Data.Set as S
@@ -13,7 +14,6 @@ import System.Exit
 import System.Info
 import System.IO
 import System.Process
-import Text.Regex
 
 -- Because GHC earlier than 7.8 lacks setEnv
 -- Install the setenv package on Windows.
@@ -46,7 +46,7 @@ showDiff conf = Diff `S.member` (flags conf)
 doUpdate conf = Update  `S.member` (flags conf)
 
 checkTestName :: String -> Bool
-checkTestName d = (matchRegex (mkRegex "[0-9][0-9][0-9]") d /= Nothing)
+checkTestName d = (all isDigit $ take 3 $ reverse d)
                     && (not $ isInfixOf "disabled" d)
 
 enumTests :: IO [String]