diff --git a/pkgs/by-name/ha/haproxy/package.nix b/pkgs/by-name/ha/haproxy/package.nix
index df8aa4939295..68b49fbc45e6 100644
--- a/pkgs/by-name/ha/haproxy/package.nix
+++ b/pkgs/by-name/ha/haproxy/package.nix
@@ -104,7 +104,6 @@ stdenv.mkDerivation (finalAttrs: {
       "LUA_INC=${lua5_4}/include"
     ]
     ++ lib.optionals stdenv.hostPlatform.isLinux [
-      "USE_SYSTEMD=yes"
       "USE_GETADDRINFO=1"
     ]
     ++ lib.optionals withPrometheusExporter [