diff --git a/DSH.cabal b/DSH.cabal
--- a/DSH.cabal
+++ b/DSH.cabal
@@ -1,5 +1,5 @@
 Name:                DSH
-Version:             0.4.1
+Version:             0.4.2
 Synopsis:            Database Supported Haskell
 Description:
   This is a Haskell library for database-supported program execution. Using
@@ -57,7 +57,7 @@
                      syb                >= 0.1,
                      mtl                >= 2.0.1,
                      bytestring         >= 0.9,
-                     text               >= 0.10,
+                     text               >= 0.11,
                      HDBC               >= 2.2,
                      convertible        >= 1.0,
                      template-haskell   >= 2.4,
diff --git a/src/Database/DSH.hs b/src/Database/DSH.hs
--- a/src/Database/DSH.hs
+++ b/src/Database/DSH.hs
@@ -86,8 +86,6 @@
   , dropWhile
   , span
   , break
-  , elem
-  , notElem
   , zip
   , zipWith
   , unzip