diff --git a/pkgs/tools/networking/p2p/ktorrent/default.nix b/pkgs/tools/networking/p2p/ktorrent/default.nix
index 4966a9f9c6e..db9e23197af 100644
--- a/pkgs/tools/networking/p2p/ktorrent/default.nix
+++ b/pkgs/tools/networking/p2p/ktorrent/default.nix
@@ -18,7 +18,6 @@ stdenv.mkDerivation {
     kde.qt4 kde.automoc4 kde.kdelibs kde.phonon kde.qca2 kde.kdepimlibs
   ];
 
-  CMAKE_PREFIX_PATH=kde.kdepimlibs;
   cmakeFlags = [ "-DGETTEXT_INCLUDE_DIR=${gettext}/include" ];
   includeAllQtDirs=true;