diff --git a/pkgs/development/libraries/gtk-sharp-1/builder.sh b/pkgs/development/libraries/gtk-sharp-1/builder.sh
deleted file mode 100644
index 4b8f757540b..00000000000
--- a/pkgs/development/libraries/gtk-sharp-1/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/gtk-sharp-1/default.nix b/pkgs/development/libraries/gtk-sharp-1/default.nix
deleted file mode 100644
index 863ee6c038d..00000000000
--- a/pkgs/development/libraries/gtk-sharp-1/default.nix
+++ /dev/null
@@ -1,37 +0,0 @@
-{ stdenv, fetchurl, pkgconfig, mono
-, glib
-, pango
-, gtk
-, GConf ? null
-, libglade ? null
-, libgtkhtml ? null
-, gtkhtml ? null
-, libgnomecanvas ? null
-, libgnomeui ? null
-, libgnomeprint ? null
-, libgnomeprintui ? null
-, libxml2
-, monoDLLFixer
-}:
-
-stdenv.mkDerivation {
-  name = "gtk-sharp-1.0.6";
-
-  builder = ./builder.sh;
-  src = fetchurl {
-    url = http://tarballs.nixos.org/gtk-sharp-1.0.6.tar.gz;
-    md5 = "2651d14fe77174ab20b8af53d150ee11";
-  };
-
-  patches = [
-    ./dllmap-glue.patch
-    ./glib-include.patch
-  ];
-
-  buildInputs = [
-    pkgconfig mono glib pango gtk GConf libglade libgnomecanvas
-    libgtkhtml libgnomeui libgnomeprint libgnomeprintui gtkhtml libxml2
-  ];
-
-  inherit monoDLLFixer;
-}
diff --git a/pkgs/development/libraries/gtk-sharp-1/dllmap-glue.patch b/pkgs/development/libraries/gtk-sharp-1/dllmap-glue.patch
deleted file mode 100644
index 51f4524811d..00000000000
--- a/pkgs/development/libraries/gtk-sharp-1/dllmap-glue.patch
+++ /dev/null
@@ -1,65 +0,0 @@
-diff -rc gtk-sharp-1.0.6-orig/gdk/gdk-sharp.dll.config.in gtk-sharp-1.0.6/gdk/gdk-sharp.dll.config.in
-*** gtk-sharp-1.0.6-orig/gdk/gdk-sharp.dll.config.in	2004-12-16 18:15:44.000000000 +0100
---- gtk-sharp-1.0.6/gdk/gdk-sharp.dll.config.in	2005-03-08 12:40:58.000000000 +0100
-***************
-*** 3,6 ****
---- 3,7 ----
-    <dllmap dll="libgobject-2.0-0.dll" target="libgobject-2.0@LIB_PREFIX@.0@LIB_SUFFIX@"/>
-    <dllmap dll="libgdk-win32-2.0-0.dll" target="libgdk-x11-2.0@LIB_PREFIX@.0@LIB_SUFFIX@"/>
-    <dllmap dll="libgdk_pixbuf-2.0-0.dll" target="libgdk_pixbuf-2.0@LIB_PREFIX@.0@LIB_SUFFIX@"/>
-+   <dllmap dll="gdksharpglue" target="libgdksharpglue@LIB_PREFIX@@LIB_SUFFIX@"/>
-  </configuration>
-diff -rc gtk-sharp-1.0.6-orig/glade/glade-sharp.dll.config.in gtk-sharp-1.0.6/glade/glade-sharp.dll.config.in
-*** gtk-sharp-1.0.6-orig/glade/glade-sharp.dll.config.in	2004-12-16 18:15:46.000000000 +0100
---- gtk-sharp-1.0.6/glade/glade-sharp.dll.config.in	2005-03-08 12:41:19.000000000 +0100
-***************
-*** 1,3 ****
---- 1,4 ----
-  <configuration>
-    <dllmap dll="libglade-2.0-0.dll" target="libglade-2.0@LIB_PREFIX@.0@LIB_SUFFIX@"/>
-+   <dllmap dll="gladesharpglue" target="libgladesharpglue@LIB_PREFIX@@LIB_SUFFIX@"/>
-  </configuration>
-diff -rc gtk-sharp-1.0.6-orig/glib/glib-sharp.dll.config.in gtk-sharp-1.0.6/glib/glib-sharp.dll.config.in
-*** gtk-sharp-1.0.6-orig/glib/glib-sharp.dll.config.in	2004-12-16 18:15:38.000000000 +0100
---- gtk-sharp-1.0.6/glib/glib-sharp.dll.config.in	2005-03-08 12:37:57.000000000 +0100
-***************
-*** 2,5 ****
---- 2,6 ----
-    <dllmap dll="libglib-2.0-0.dll" target="libglib-2.0@LIB_PREFIX@.0@LIB_SUFFIX@"/>
-    <dllmap dll="libgobject-2.0-0.dll" target="libgobject-2.0@LIB_PREFIX@.0@LIB_SUFFIX@"/>
-    <dllmap dll="libgthread-2.0-0.dll" target="libgthread-2.0@LIB_PREFIX@.0@LIB_SUFFIX@"/>
-+   <dllmap dll="glibsharpglue" target="libglibsharpglue@LIB_PREFIX@@LIB_SUFFIX@"/>
-  </configuration>
-diff -rc gtk-sharp-1.0.6-orig/gnome/gnome-sharp.dll.config.in gtk-sharp-1.0.6/gnome/gnome-sharp.dll.config.in
-*** gtk-sharp-1.0.6-orig/gnome/gnome-sharp.dll.config.in	2004-12-16 18:15:43.000000000 +0100
---- gtk-sharp-1.0.6/gnome/gnome-sharp.dll.config.in	2005-03-08 12:41:50.000000000 +0100
-***************
-*** 8,11 ****
---- 8,12 ----
-    <dllmap dll="gnomeprint-2-2" target="libgnomeprint-2-2@LIB_PREFIX@.0@LIB_SUFFIX@"/>
-    <dllmap dll="gnomeprintui-2-2" target="libgnomeprintui-2-2@LIB_PREFIX@.0@LIB_SUFFIX@"/>
-    <dllmap dll="gnomeui-2" target="libgnomeui-2@LIB_PREFIX@.0@LIB_SUFFIX@"/>
-+   <dllmap dll="gnomesharpglue" target="libgnomesharpglue@LIB_PREFIX@@LIB_SUFFIX@"/>
-  </configuration>
-diff -rc gtk-sharp-1.0.6-orig/gtk/gtk-sharp.dll.config.in gtk-sharp-1.0.6/gtk/gtk-sharp.dll.config.in
-*** gtk-sharp-1.0.6-orig/gtk/gtk-sharp.dll.config.in	2004-12-16 18:14:51.000000000 +0100
---- gtk-sharp-1.0.6/gtk/gtk-sharp.dll.config.in	2005-03-08 12:38:19.000000000 +0100
-***************
-*** 3,6 ****
---- 3,7 ----
-    <dllmap dll="libgobject-2.0-0.dll" target="libgobject-2.0@LIB_PREFIX@.0@LIB_SUFFIX@"/>
-    <dllmap dll="libatk-1.0-0.dll" target="libatk-1.0@LIB_PREFIX@.0@LIB_SUFFIX@"/>
-    <dllmap dll="libgtk-win32-2.0-0.dll" target="libgtk-x11-2.0@LIB_PREFIX@.0@LIB_SUFFIX@"/>
-+   <dllmap dll="gtksharpglue" target="libgtksharpglue@LIB_PREFIX@@LIB_SUFFIX@"/>
-  </configuration>
-diff -rc gtk-sharp-1.0.6-orig/pango/pango-sharp.dll.config.in gtk-sharp-1.0.6/pango/pango-sharp.dll.config.in
-*** gtk-sharp-1.0.6-orig/pango/pango-sharp.dll.config.in	2004-12-16 18:14:55.000000000 +0100
---- gtk-sharp-1.0.6/pango/pango-sharp.dll.config.in	2005-03-08 12:42:11.000000000 +0100
-***************
-*** 1,4 ****
---- 1,5 ----
-  <configuration>
-    <dllmap dll="libglib-2.0-0.dll" target="libglib-2.0@LIB_PREFIX@.0@LIB_SUFFIX@"/>
-    <dllmap dll="libpango-1.0-0.dll" target="libpango-1.0@LIB_PREFIX@.0@LIB_SUFFIX@"/>
-+   <dllmap dll="pangosharpglue" target="libpangosharpglue@LIB_PREFIX@@LIB_SUFFIX@"/>
-  </configuration>
diff --git a/pkgs/development/libraries/gtk-sharp-1/glib-include.patch b/pkgs/development/libraries/gtk-sharp-1/glib-include.patch
deleted file mode 100644
index e8f4b0ef5af..00000000000
--- a/pkgs/development/libraries/gtk-sharp-1/glib-include.patch
+++ /dev/null
@@ -1,24 +0,0 @@
-diff -ru gtk-sharp-1.0.6.orig/glib/glue/list.c gtk-sharp-1.0.6/glib/glue/list.c
---- gtk-sharp-1.0.6.orig/glib/glue/list.c	2014-01-09 10:58:06.727352451 +0000
-+++ gtk-sharp-1.0.6/glib/glue/list.c	2014-01-09 11:00:34.256583614 +0000
-@@ -20,7 +20,7 @@
-  */
- 
- 
--#include <glib/glist.h>
-+#include <glib.h>
- 
- /* Forward declarations */
- gpointer gtksharp_list_get_data (GList *l);
-diff -ru gtk-sharp-1.0.6.orig/glib/glue/slist.c gtk-sharp-1.0.6/glib/glue/slist.c
---- gtk-sharp-1.0.6.orig/glib/glue/slist.c	2014-01-09 10:58:06.727352451 +0000
-+++ gtk-sharp-1.0.6/glib/glue/slist.c	2014-01-09 11:00:47.572695223 +0000
-@@ -20,7 +20,7 @@
-  */
- 
- 
--#include <glib/gslist.h>
-+#include <glib.h>
- 
- /* Forward declarations */
- gpointer gtksharp_slist_get_data (GSList *l);
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 00382abbac0..adbea769ba5 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5596,16 +5596,10 @@ let
   gtkmm3 = callPackage ../development/libraries/gtkmm/3.x.nix { };
 
   gtkmozembedsharp = callPackage ../development/libraries/gtkmozembed-sharp {
-    gtksharp = gtksharp2;
+    gtksharp = gtk-sharp;
   };
 
-  gtksharp1 = callPackage ../development/libraries/gtk-sharp-1 {
-    inherit (gnome) libglade libgtkhtml gtkhtml
-              libgnomecanvas libgnomeui libgnomeprint
-              libgnomeprintui GConf;
-  };
-
-  gtksharp2 = callPackage ../development/libraries/gtk-sharp-2 {
+  gtk-sharp = callPackage ../development/libraries/gtk-sharp-2 {
     inherit (gnome) libglade libgtkhtml gtkhtml
               libgnomecanvas libgnomeui libgnomeprint
               libgnomeprintui GConf gnomepanel;
@@ -5613,7 +5607,7 @@ let
 
   gtksourceviewsharp = callPackage ../development/libraries/gtksourceview-sharp {
     inherit (gnome) gtksourceview;
-    gtksharp = gtksharp2;
+    gtksharp = gtk-sharp;
   };
 
   gtkspell = callPackage ../development/libraries/gtkspell { };
@@ -10804,7 +10798,7 @@ let
   pinpoint = callPackage ../applications/office/pinpoint {};
 
   pinta = callPackage ../applications/graphics/pinta {
-    gtksharp = gtksharp2;
+    gtksharp = gtk-sharp;
   };
 
   pommed = callPackage ../os-specific/linux/pommed {