diff --git a/pkgs/applications/audio/pulseaudio-dlna/default.nix b/pkgs/applications/audio/pulseaudio-dlna/default.nix
index 11c1fd081fd4..98803b32ec9f 100644
--- a/pkgs/applications/audio/pulseaudio-dlna/default.nix
+++ b/pkgs/applications/audio/pulseaudio-dlna/default.nix
@@ -2,26 +2,19 @@
 , lib
 , python3Packages
 , mp3Support ? true
-, lame ? null
+, lame
 , opusSupport ? true
-, opusTools ? null
+, opusTools
 , faacSupport ? false
-, faac ? null
+, faac
 , flacSupport ? true
-, flac ? null
+, flac
 , soxSupport ? true
-, sox ? null
+, sox
 , vorbisSupport ? true
-, vorbis-tools ? null
+, vorbis-tools
 }:
 
-assert mp3Support -> lame != null;
-assert opusSupport -> opusTools != null;
-assert faacSupport -> faac != null;
-assert flacSupport -> flac != null;
-assert soxSupport -> sox != null;
-assert vorbisSupport -> vorbis-tools != null;
-
 python3Packages.buildPythonApplication {
   pname = "pulseaudio-dlna";
   version = "unstable-2021-11-09";