diff --git a/pkgs/applications/networking/instant-messengers/telepathy/rakia/default.nix b/pkgs/applications/networking/instant-messengers/telepathy/rakia/default.nix
index 9056febd7d68..e8b120b93316 100644
--- a/pkgs/applications/networking/instant-messengers/telepathy/rakia/default.nix
+++ b/pkgs/applications/networking/instant-messengers/telepathy/rakia/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, libxslt, telepathy_glib, libxml2, dbus_glib
+{ stdenv, fetchurl, pkgconfigUpstream, libxslt, telepathy_glib, libxml2, dbus_glib
 , python, sofia_sip }:
 
 stdenv.mkDerivation rec {
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "11cmmdq31kivm6nsv61hxy3hxnnmbd8sj55xqwx9hyqzybh70dyf";
   };
 
-  buildNativeInputs = [pkgconfig libxslt python];
+  buildNativeInputs = [pkgconfigUpstream libxslt python];
   buildInputs = [ libxml2 dbus_glib telepathy_glib sofia_sip];
 
   meta = {
diff --git a/pkgs/applications/networking/instant-messengers/telepathy/salut/default.nix b/pkgs/applications/networking/instant-messengers/telepathy/salut/default.nix
index dc5675c1b2cc..3c100282aa46 100644
--- a/pkgs/applications/networking/instant-messengers/telepathy/salut/default.nix
+++ b/pkgs/applications/networking/instant-messengers/telepathy/salut/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, libxslt, glib, libxml2, telepathy_glib, avahi, libsoup
-, libuuid, gnutls, sqlite, pkgconfig }:
+, libuuid, gnutls, sqlite, pkgconfigUpstream }:
 
 stdenv.mkDerivation rec {
   pname = "telepathy-salut";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ glib libxml2 telepathy_glib avahi libsoup libuuid gnutls
     sqlite ];
 
-  buildNativeInputs = [ libxslt pkgconfig ];
+  buildNativeInputs = [ libxslt pkgconfigUpstream ];
 
   configureFlags = "--disable-avahi-tests";
 
diff --git a/pkgs/development/libraries/telepathy/glib/default.nix b/pkgs/development/libraries/telepathy/glib/default.nix
index 22a6aef5c3a7..b31338a65951 100644
--- a/pkgs/development/libraries/telepathy/glib/default.nix
+++ b/pkgs/development/libraries/telepathy/glib/default.nix
@@ -1,19 +1,17 @@
 { stdenv, fetchurl, dbus_glib, glib, python, pkgconfig, libxslt }:
 
 stdenv.mkDerivation rec {
-  name = "telepathy-glib-0.17.7";
+  name = "telepathy-glib-0.18.1";
 
   src = fetchurl {
     url = "${meta.homepage}/releases/telepathy-glib/${name}.tar.gz";
-    sha256 = "1brzw0cqawcyh7rffzbmydzbymrrsmzf8rksgamiqpwsdvcnksxz";
+    sha256 = "0vac5wk9rpaniqxwa50szcc5ql779ks37sy4z7fj4k73i5k2af1p";
   };
 
   propagatedBuildInputs = [dbus_glib glib python];
   
   buildInputs = [pkgconfig libxslt];
 
-  patches = [ ./fix-pkgconfig.patch ];
-  
   meta = {
     homepage = http://telepathy.freedesktop.org;
   };
diff --git a/pkgs/development/libraries/telepathy/glib/fix-pkgconfig.patch b/pkgs/development/libraries/telepathy/glib/fix-pkgconfig.patch
deleted file mode 100644
index bba92d408a08..000000000000
--- a/pkgs/development/libraries/telepathy/glib/fix-pkgconfig.patch
+++ /dev/null
@@ -1,14 +0,0 @@
-Adjust telepathy-glib.pc to our version of pkg-config
-diff --git a/telepathy-glib/telepathy-glib.pc.in b/telepathy-glib/telepathy-glib.pc.in
-index e2ddf03..6038011 100644
---- a/telepathy-glib/telepathy-glib.pc.in
-+++ b/telepathy-glib/telepathy-glib.pc.in
-@@ -6,7 +6,6 @@ includedir=@includedir@
- Name: Telepathy-GLib
- Description: GLib utility library for the Telepathy framework
- Version: @VERSION@
--Requires: pkg-config >= 0.21
--Requires.private: dbus-1 >= 0.95, dbus-glib-1 >= 0.90, glib-2.0 >= 2.30, gobject-2.0 >= 2.30, gio-2.0 >= 2.30
-+Requires: pkg-config >= 0.21 dbus-1 >= 0.95, dbus-glib-1 >= 0.90, glib-2.0 >= 2.30, gobject-2.0 >= 2.30, gio-2.0 >= 2.30
- Libs: -L${libdir} -ltelepathy-glib
- Cflags: -I${includedir}/telepathy-1.0