diff --git a/pkgs/development/libraries/gtksourceview-sharp/builder.sh b/pkgs/development/libraries/gtksourceview-sharp/builder.sh
deleted file mode 100644
index 4b8f757540b5..000000000000
--- a/pkgs/development/libraries/gtksourceview-sharp/builder.sh
+++ /dev/null
@@ -1,11 +0,0 @@
-source $stdenv/setup
-
-genericBuild
-
-# !!! hack
-export ALL_INPUTS="$out $pkgs"
-
-find $out -name "*.dll.config" | while read configFile; do
-    echo "modifying config file $configFile"
-    $monoDLLFixer "$configFile"
-done
diff --git a/pkgs/development/libraries/gtksourceview-sharp/default.nix b/pkgs/development/libraries/gtksourceview-sharp/default.nix
deleted file mode 100644
index 56c6e1b1ee5b..000000000000
--- a/pkgs/development/libraries/gtksourceview-sharp/default.nix
+++ /dev/null
@@ -1,19 +0,0 @@
-{stdenv, fetchurl, pkgconfig, mono, gtksharp, gtksourceview, monoDLLFixer}:
-
-stdenv.mkDerivation {
-  name = "gtksourceview-sharp-0.6-pre40261";
-
-  builder = ./builder.sh;
-  src = fetchurl {
-    url = http://tarballs.nixos.org/gtksourceview-sharp-0.6-pre40261.tar.bz2;
-    md5 = "8bc26c182bd897f50988e110a9a11f34";
-  };
-
-  patches = [ ./prefix.patch ];
-
-  buildInputs = [
-    pkgconfig mono gtksharp gtksourceview
-  ];
-
-  inherit monoDLLFixer;
-}
diff --git a/pkgs/development/libraries/gtksourceview-sharp/prefix.patch b/pkgs/development/libraries/gtksourceview-sharp/prefix.patch
deleted file mode 100644
index b1b692063445..000000000000
--- a/pkgs/development/libraries/gtksourceview-sharp/prefix.patch
+++ /dev/null
@@ -1,46 +0,0 @@
-diff -rc gtksourceview-sharp/gtksourceview/Makefile.in gtksourceview-sharp-new/gtksourceview/Makefile.in
-*** gtksourceview-sharp/gtksourceview/Makefile.in	2005-03-08 18:55:15.000000000 +0100
---- gtksourceview-sharp-new/gtksourceview/Makefile.in	2005-03-08 18:59:10.000000000 +0100
-***************
-*** 192,198 ****
-  EXTRA_DIST = $(sources) $(customs) Gtk.metadata gtksourceview-api.raw AssemblyInfo.cs.in
-  DISTCLEANFILES = AssemblyInfo.cs
-  noinst_DATA = gtksourceview-sharp.dll
-! apidir = $(gtksharp_prefix)/share/gapi-2.0
-  api_DATA = gtksourceview-api.xml
-  sources = \
-  GtkSourceView.cs
---- 192,198 ----
-  EXTRA_DIST = $(sources) $(customs) Gtk.metadata gtksourceview-api.raw AssemblyInfo.cs.in
-  DISTCLEANFILES = AssemblyInfo.cs
-  noinst_DATA = gtksourceview-sharp.dll
-! apidir = $(prefix)/share/gapi-2.0
-  api_DATA = gtksourceview-api.xml
-  sources = \
-  GtkSourceView.cs
-Only in gtksourceview-sharp-new/gtksourceview: Makefile.in~
-Only in gtksourceview-sharp-new/gtksourceview: Makefile.in.orig
-Only in gtksourceview-sharp-new/gtksourceview: Makefile.in.rej
-diff -rc gtksourceview-sharp/Makefile.in gtksourceview-sharp-new/Makefile.in
-*** gtksourceview-sharp/Makefile.in	2005-03-08 18:55:16.000000000 +0100
---- gtksourceview-sharp-new/Makefile.in	2005-03-08 18:59:33.000000000 +0100
-***************
-*** 211,217 ****
-  target_vendor = @target_vendor@
-  SUBDIRS = gtksourceview sample doc 
-  EXTRA_DIST = nemerle.lang vbnet.lang gtksourceview-sharp.pc.in gtk-sharp.snk
-! extra_langdir = $(gtksourceview_prefix)/share/gtksourceview-1.0/language-specs
-  extra_lang_DATA = nemerle.lang vbnet.lang
-  pkgconfigdir = $(libdir)/pkgconfig
-  pkgconfig_DATA = gtksourceview-sharp.pc
---- 211,217 ----
-  target_vendor = @target_vendor@
-  SUBDIRS = gtksourceview sample doc 
-  EXTRA_DIST = nemerle.lang vbnet.lang gtksourceview-sharp.pc.in gtk-sharp.snk
-! extra_langdir = $(prefix)/share/gtksourceview-1.0/language-specs
-  extra_lang_DATA = nemerle.lang vbnet.lang
-  pkgconfigdir = $(libdir)/pkgconfig
-  pkgconfig_DATA = gtksourceview-sharp.pc
-Only in gtksourceview-sharp-new/: Makefile.in~
-Only in gtksourceview-sharp-new/: Makefile.in.orig
-Only in gtksourceview-sharp-new/: Makefile.in.rej
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index adbea769ba5d..5bf40ee8fccd 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5605,11 +5605,6 @@ let
               libgnomeprintui GConf gnomepanel;
   };
 
-  gtksourceviewsharp = callPackage ../development/libraries/gtksourceview-sharp {
-    inherit (gnome) gtksourceview;
-    gtksharp = gtk-sharp;
-  };
-
   gtkspell = callPackage ../development/libraries/gtkspell { };
 
   gtkspell3 = callPackage ../development/libraries/gtkspell/3.nix { };