diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 0626215fde15..46c201c1a995 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7037,10 +7037,6 @@ let pkgs = rec {
 
   ### SCIENCE/BIOLOGY
 
-  clustalw2 = import ../applications/science/biology/clustalw2 {
-    inherit fetchurl stdenv;
-  };
-
   drgeo = builderDefsPackage (import ../applications/science/geometry/drgeo) {
     inherit (gnome) libglade gtk;
     inherit libxml2 guile perl intltool libtool pkgconfig;