diff --git a/pkgs/servers/sql/postgresql/ext/pgrouting.nix b/pkgs/servers/sql/postgresql/ext/pgrouting.nix
index d11c96c111b..76aa4c4ffec 100644
--- a/pkgs/servers/sql/postgresql/ext/pgrouting.nix
+++ b/pkgs/servers/sql/postgresql/ext/pgrouting.nix
@@ -1,11 +1,11 @@
-{ stdenv, fetchFromGitHub, postgresql, perl, cmake, boost, gmp, cgal, mpfr }:
+{ stdenv, fetchFromGitHub, postgresql, perl, cmake, boost }:
 
 stdenv.mkDerivation rec {
   pname = "pgrouting";
   version = "3.0.0";
 
   nativeBuildInputs = [ cmake perl ];
-  buildInputs = [ postgresql boost gmp cgal mpfr ];
+  buildInputs = [ postgresql boost ];
 
   src = fetchFromGitHub {
     owner  = "pgRouting";