diff --git a/pkgs/development/libraries/libzrtpcpp/1.6.nix b/pkgs/development/libraries/libzrtpcpp/1.6.nix
deleted file mode 100644
index 79d95e07bb8..00000000000
--- a/pkgs/development/libraries/libzrtpcpp/1.6.nix
+++ /dev/null
@@ -1,21 +0,0 @@
-{ stdenv, fetchurl, commoncpp2, openssl, pkgconfig, ccrtp }:
-
-stdenv.mkDerivation rec {
-  name = "libzrtpcpp-1.6.0";
-
-  src = fetchurl {
-    url = "mirror://gnu/ccrtp/${name}.tar.gz";
-    sha256 = "17aayr4f27rp4fvminxn6jx7kq56kkk341l7ypqb9h0k6kns27kb";
-  };
-
-  buildInputs = [ commoncpp2 openssl pkgconfig ccrtp ];
-
-  meta = { 
-    description = "GNU RTP stack for the zrtp protocol developed by Phil Zimmermann";
-    homepage = "http://www.gnutelephony.org/index.php/GNU_ZRTP";
-    license = stdenv.lib.licenses.gpl2;
-    maintainers = [ stdenv.lib.maintainers.marcweber ];
-    platforms = stdenv.lib.platforms.linux;
-    broken = true;
-  };
-}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 1cf013c0061..ec5f695bbad 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6917,9 +6917,6 @@ let
   libzdb = callPackage ../development/libraries/libzdb { };
 
   libzrtpcpp = callPackage ../development/libraries/libzrtpcpp { };
-  libzrtpcpp_1_6 = callPackage ../development/libraries/libzrtpcpp/1.6.nix {
-    ccrtp = ccrtp_1_8;
-  };
 
   libwacom = callPackage ../development/libraries/libwacom { };