diff --git a/pkgs/applications/misc/librecad/default.nix b/pkgs/applications/misc/librecad/default.nix
index 691ebb4ba682..05d5f93162c0 100644
--- a/pkgs/applications/misc/librecad/default.nix
+++ b/pkgs/applications/misc/librecad/default.nix
@@ -2,7 +2,7 @@
 , boost
 , fetchFromGitHub
 , installShellFiles
-, mkDerivationWith
+, mkDerivation
 , muparser
 , pkg-config
 , qmake
@@ -10,10 +10,9 @@
 , qtsvg
 , qttools
 , runtimeShell
-, stdenv
 }:
 
-mkDerivationWith stdenv.mkDerivation rec {
+mkDerivation rec {
   pname = "librecad";
   version = "2.2.0-rc2";
 
diff --git a/pkgs/applications/misc/qcad/default.nix b/pkgs/applications/misc/qcad/default.nix
index 8e19a311fce3..ae70c0b7a67f 100644
--- a/pkgs/applications/misc/qcad/default.nix
+++ b/pkgs/applications/misc/qcad/default.nix
@@ -1,7 +1,7 @@
 { boost
 , fetchFromGitHub
 , libGLU
-, mkDerivationWith
+, mkDerivation
 , muparser
 , pkg-config
 , qtbase
@@ -11,11 +11,10 @@
 , qtxmlpatterns
 , qttools
 , lib
-, stdenv
 , installShellFiles
 }:
 
-mkDerivationWith stdenv.mkDerivation rec {
+mkDerivation rec {
   pname = "qcad";
   version = "3.26.4.10";