diff --git a/pkgs/development/libraries/haskell/pandoc/default.nix b/pkgs/development/libraries/haskell/pandoc/default.nix
index 3f0b7b09d72..7bc1d0fc7fd 100644
--- a/pkgs/development/libraries/haskell/pandoc/default.nix
+++ b/pkgs/development/libraries/haskell/pandoc/default.nix
@@ -1,13 +1,13 @@
 {cabal, mtl, network, parsec, utf8String, xhtml, zipArchive, HTTP, xml,
- texmath, random}:
+ texmath, random ? null}:
 
 cabal.mkDerivation (self : {
   pname = "pandoc";
   version = "1.6";
   sha256 = "9b825233293edf1ea414b0e7ea821d6a914711dc2c60546566ab5a97512b079b";
   propagatedBuildInputs = [
-    mtl network parsec utf8String xhtml zipArchive HTTP xml texmath random
-  ];
+    mtl network parsec utf8String xhtml zipArchive HTTP xml texmath
+  ] ++ (if random != null then [random] else []);
   meta = {
     description = "Conversion between markup formats";
   };
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 3ab7c57e489..c79b41ddd6f 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -453,8 +453,6 @@ rec {
 
   RangedSets = callPackage ../development/libraries/haskell/Ranged-sets {};
 
-  random = callPackage ../development/libraries/haskell/random {};
-
   random_newtime = callPackage ../development/libraries/haskell/random {
     time = time_1_2_0_3;
   };