diff --git a/pkgs/development/libraries/skalibs/default.nix b/pkgs/development/libraries/skalibs/default.nix
index 3fe8e275ea9..aaa7b3a3d26 100644
--- a/pkgs/development/libraries/skalibs/default.nix
+++ b/pkgs/development/libraries/skalibs/default.nix
@@ -1,7 +1,4 @@
-{ stdenv
-, fetchurl
-, gnumake40
-}:
+{ stdenv, fetchurl }:
 
 let
 
@@ -18,8 +15,6 @@ in stdenv.mkDerivation rec {
 
   dontDisableStatic = true;
 
-  buildInputs = [ gnumake40 ];
-
   configureFlags = [
     "--enable-force-devr"       # assume /dev/random works
     "--libdir=\${prefix}/lib"
diff --git a/pkgs/os-specific/linux/s6-linux-utils/default.nix b/pkgs/os-specific/linux/s6-linux-utils/default.nix
index 76f46a32125..42a4357c74c 100644
--- a/pkgs/os-specific/linux/s6-linux-utils/default.nix
+++ b/pkgs/os-specific/linux/s6-linux-utils/default.nix
@@ -1,8 +1,4 @@
-{ stdenv
-, fetchurl
-, gnumake40
-, skalibs
-}:
+{ stdenv, fetchurl, skalibs }:
 
 let
 
@@ -19,8 +15,6 @@ in stdenv.mkDerivation rec {
 
   dontDisableStatic = true;
 
-  buildInputs = [ gnumake40 ];
-
   configureFlags = [
     "--includedir=\${prefix}/include"
     "--with-sysdeps=${skalibs}/lib/skalibs/sysdeps"
diff --git a/pkgs/servers/s6/default.nix b/pkgs/servers/s6/default.nix
index 87235dcd696..32d219bf4aa 100644
--- a/pkgs/servers/s6/default.nix
+++ b/pkgs/servers/s6/default.nix
@@ -1,9 +1,4 @@
-{ stdenv
-, execline
-, fetchurl
-, gnumake40
-, skalibs
-}:
+{ stdenv, execline, fetchurl, skalibs }:
 
 let
 
@@ -20,8 +15,6 @@ in stdenv.mkDerivation rec {
 
   dontDisableStatic = true;
 
-  buildInputs = [ gnumake40 ];
-
   configureFlags = [
     "--with-sysdeps=${skalibs}/lib/skalibs/sysdeps"
     "--with-include=${skalibs}/include"
diff --git a/pkgs/tools/misc/execline/default.nix b/pkgs/tools/misc/execline/default.nix
index b2bca22433c..96126233458 100644
--- a/pkgs/tools/misc/execline/default.nix
+++ b/pkgs/tools/misc/execline/default.nix
@@ -1,8 +1,4 @@
-{ stdenv
-, fetchurl
-, gnumake40
-, skalibs
-}:
+{ stdenv, fetchurl, skalibs }:
 
 let
 
@@ -19,8 +15,6 @@ in stdenv.mkDerivation rec {
 
   dontDisableStatic = true;
 
-  buildInputs = [ gnumake40 ];
-
   configureFlags = [
     "--libdir=\${prefix}/lib"
     "--includedir=\${prefix}/include"
diff --git a/pkgs/tools/misc/s6-portable-utils/default.nix b/pkgs/tools/misc/s6-portable-utils/default.nix
index 4d871cf7911..755cfce3d8b 100644
--- a/pkgs/tools/misc/s6-portable-utils/default.nix
+++ b/pkgs/tools/misc/s6-portable-utils/default.nix
@@ -1,8 +1,4 @@
-{ stdenv
-, fetchurl
-, gnumake40
-, skalibs
-}:
+{ stdenv, fetchurl, skalibs }:
 
 let
 
@@ -19,8 +15,6 @@ in stdenv.mkDerivation rec {
 
   dontDisableStatic = true;
 
-  buildInputs = [ gnumake40 ];
-
   configureFlags = [
     "--with-sysdeps=${skalibs}/lib/skalibs/sysdeps"
     "--with-include=${skalibs}/include"
diff --git a/pkgs/tools/networking/s6-dns/default.nix b/pkgs/tools/networking/s6-dns/default.nix
index 4ffa2d931a1..4dae1a1c8c3 100644
--- a/pkgs/tools/networking/s6-dns/default.nix
+++ b/pkgs/tools/networking/s6-dns/default.nix
@@ -1,8 +1,4 @@
-{ stdenv
-, fetchurl
-, gnumake40
-, skalibs
-}:
+{ stdenv, fetchurl, skalibs }:
 
 let
 
@@ -19,8 +15,6 @@ in stdenv.mkDerivation rec {
 
   dontDisableStatic = true;
 
-  buildInputs = [ gnumake40 ];
-
   configureFlags = [
     "--includedir=\${prefix}/include"
     "--libdir=\${prefix}/lib"
diff --git a/pkgs/tools/networking/s6-networking/default.nix b/pkgs/tools/networking/s6-networking/default.nix
index 87dd783636d..09d9e722245 100644
--- a/pkgs/tools/networking/s6-networking/default.nix
+++ b/pkgs/tools/networking/s6-networking/default.nix
@@ -1,10 +1,4 @@
-{ stdenv
-, execline
-, fetchurl
-, gnumake40
-, s6Dns
-, skalibs
-}:
+{ stdenv, execline, fetchurl, s6Dns, skalibs }:
 
 let
 
@@ -21,8 +15,6 @@ in stdenv.mkDerivation rec {
 
   dontDisableStatic = true;
 
-  buildInputs = [ gnumake40 ];
-
   configureFlags = [
     "--with-sysdeps=${skalibs}/lib/skalibs/sysdeps"
     "--with-include=${skalibs}/include"