diff --git a/pkgs/development/libraries/haskell/DSH/default.nix b/pkgs/development/libraries/haskell/DSH/default.nix
deleted file mode 100644
index 409afcd45b0..00000000000
--- a/pkgs/development/libraries/haskell/DSH/default.nix
+++ /dev/null
@@ -1,14 +0,0 @@
-{ cabal, csv, FerryCore, HaXml, HDBC, mtl, Pathfinder, text }:
-
-cabal.mkDerivation (self: {
-  pname = "DSH";
-  version = "0.8.2.3";
-  sha256 = "0d5jh1vxjx3874rgwvxjm00lj3vvp8ggz2c54x6ymhmgav3pd8vy";
-  buildDepends = [ csv FerryCore HaXml HDBC mtl Pathfinder text ];
-  meta = {
-    description = "Database Supported Haskell";
-    license = self.stdenv.lib.licenses.bsd3;
-    platforms = self.ghc.meta.platforms;
-    maintainers = [ self.stdenv.lib.maintainers.andres ];
-  };
-})
diff --git a/pkgs/development/libraries/haskell/Pathfinder/default.nix b/pkgs/development/libraries/haskell/Pathfinder/default.nix
deleted file mode 100644
index 19d7d8abaa5..00000000000
--- a/pkgs/development/libraries/haskell/Pathfinder/default.nix
+++ /dev/null
@@ -1,15 +0,0 @@
-{ cabal, libxml2, text }:
-
-cabal.mkDerivation (self: {
-  pname = "Pathfinder";
-  version = "0.5.10";
-  sha256 = "1k38p73jnkfcmmz94iqpzg2g6apsxflidvy8p9lwqyzfmg70brqf";
-  buildDepends = [ text ];
-  extraLibraries = [ libxml2 ];
-  meta = {
-    description = "Relational optimiser and code generator";
-    license = self.stdenv.lib.licenses.bsd3;
-    platforms = self.ghc.meta.platforms;
-    maintainers = [ self.stdenv.lib.maintainers.andres ];
-  };
-})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 71140be0fc7..af03903a967 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -625,8 +625,6 @@ self : let callPackage = x : y : modifyPrio (newScope self x y); in
 
   DRBG = callPackage ../development/libraries/haskell/DRBG {};
 
-  DSH = callPackage ../development/libraries/haskell/DSH {};
-
   dsp = callPackage ../development/libraries/haskell/dsp {};
 
   dstring = callPackage ../development/libraries/haskell/dstring {};
@@ -1586,8 +1584,6 @@ self : let callPackage = x : y : modifyPrio (newScope self x y); in
 
   parsimony = callPackage ../development/libraries/haskell/parsimony {};
 
-  Pathfinder = callPackage ../development/libraries/haskell/Pathfinder {};
-
   pathtype = callPackage ../development/libraries/haskell/pathtype {};
 
   pbkdf = callPackage ../development/libraries/haskell/pbkdf {};