diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 944de791929..c0b93335c80 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -61,7 +61,6 @@ doNotDisplayTwice rec {
   mssys = ms-sys; # added 2015-12-13
   multipath_tools = multipath-tools;  # added 2016-01-21
   mupen64plus1_5 = mupen64plus; # added 2016-02-12
-  ncat = nmap;  # added 2016-01-26
   nfsUtils = nfs-utils;  # added 2014-12-06
   phonon_qt5 = qt5.phonon;  # added 2015-12-19
   phonon_qt5_backend_gstreamer = qt5.phonon-backend-gstreamer;  # added 2015-12-19