diff --git a/flake.nix b/flake.nix
index 225b8419a..77f657814 100644
--- a/flake.nix
+++ b/flake.nix
@@ -384,7 +384,6 @@
           sphinx-argparse sphinxcontrib-wavedrom latex-artiq-manual
         ];
         shellHook = ''
-          export LIBARTIQ_SUPPORT=`libartiq-support`
 	  export QT_PLUGIN_PATH=${pkgs.qt5.qtbase}/${pkgs.qt5.qtbase.dev.qtPluginPrefix}
           export QML2_IMPORT_PATH=${pkgs.qt5.qtbase}/${pkgs.qt5.qtbase.dev.qtQmlPrefix}
         '';