diff --git a/pkgs/development/libraries/qt-5/5.5/qtbase/default.nix b/pkgs/development/libraries/qt-5/5.5/qtbase/default.nix
index 589f2a1de1e..9854ba6b392 100644
--- a/pkgs/development/libraries/qt-5/5.5/qtbase/default.nix
+++ b/pkgs/development/libraries/qt-5/5.5/qtbase/default.nix
@@ -92,7 +92,7 @@ stdenv.mkDerivation {
   '';
 
   preConfigure = ''
-    export LD_LIBRARY_PATH="$PWD/qtbase/lib:$PWD/qtbase/plugins/platforms:$PWD/qttools/lib:$LD_LIBRARY_PATH"
+    export LD_LIBRARY_PATH="$PWD/qtbase/lib:$PWD/qtbase/plugins/platforms:$LD_LIBRARY_PATH"
     export MAKEFLAGS=-j$NIX_BUILD_CORES
 
     export configureFlags+="-plugindir $out/lib/qt5/plugins -importdir $out/lib/qt5/imports -qmldir $out/lib/qt5/qml"