diff --git a/pkgs/applications/science/math/mxnet/default.nix b/pkgs/applications/science/math/mxnet/default.nix
index 990d3f1a5d59..061f48bb3d93 100644
--- a/pkgs/applications/science/math/mxnet/default.nix
+++ b/pkgs/applications/science/math/mxnet/default.nix
@@ -1,7 +1,7 @@
-{ stdenv, lib, fetchurl, bash, cmake
+{ config, stdenv, lib, fetchurl, bash, cmake
 , opencv, gtest, openblas, liblapack, perl
-, cudaSupport ? false, cudatoolkit, nvidia_x11
-, cudnnSupport ? false, cudnn
+, cudaSupport ? config.cudaSupport or false, cudatoolkit, nvidia_x11
+, cudnnSupport ? cudaSupport, cudnn
 }:
 
 assert cudnnSupport -> cudaSupport;
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 4a6b41a2c3ad..23d20a9682e0 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -21902,9 +21902,7 @@ in
     sbcl = null;
   };
 
-  mxnet = callPackage ../applications/science/math/mxnet rec {
-    cudaSupport = config.cudaSupport or false;
-    cudnnSupport = cudaSupport;
+  mxnet = callPackage ../applications/science/math/mxnet {
     inherit (linuxPackages) nvidia_x11;
   };