From fcbce2b0aa9f68b44a752e1990ef19ddbf08259d Mon Sep 17 00:00:00 2001
From: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Date: Thu, 4 Feb 2021 10:48:09 -0500
Subject: [PATCH] libusb1: remove assert that breaks systemd = null deep
 override

This is similar to 24bae16e716847b3474c463d9e39244e49f7a29a but for release-20.09
---
 pkgs/development/libraries/libusb1/default.nix | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/pkgs/development/libraries/libusb1/default.nix b/pkgs/development/libraries/libusb1/default.nix
index a3323c8e026b..b425440d1463 100644
--- a/pkgs/development/libraries/libusb1/default.nix
+++ b/pkgs/development/libraries/libusb1/default.nix
@@ -3,14 +3,12 @@
 , autoreconfHook
 , pkgconfig
 , enableSystemd ? stdenv.isLinux && !stdenv.hostPlatform.isMusl
-, systemd ? null
+, systemd
 , libobjc
 , IOKit
 , withStatic ? false
 }:
 
-assert enableSystemd -> systemd != null;
-
 stdenv.mkDerivation rec {
   pname = "libusb";
   version = "1.0.23";