diff --git a/pkgs/tools/system/ts/default.nix b/pkgs/tools/system/ts/default.nix
index e396546534a..2a09167b9ce 100644
--- a/pkgs/tools/system/ts/default.nix
+++ b/pkgs/tools/system/ts/default.nix
@@ -6,8 +6,6 @@ stdenv.mkDerivation {
 
   installPhase=''make install "PREFIX=$out"'';
 
-  patchPhase = ''sed -i 's@/usr/bin/install@install@g' Makefile; set -x'';
-
   src = fetchurl {
     url = http://vicerveza.homeunix.net/~viric/soft/ts/ts-0.6.2.tar.gz;
     sha256 = "6a99b48800658fb7424a76c5756a638a6b6abb2a8a8c129e196bc24a9aeeb5cc";