diff --git a/pkg/bridge/args.go b/pkg/bridge/args.go
deleted file mode 100644
index b37fc04..0000000
--- a/pkg/bridge/args.go
+++ /dev/null
@@ -1,35 +0,0 @@
-// Copyright (c) 2022 Proton Technologies AG
-//
-// This file is part of ProtonMail Bridge.
-//
-// ProtonMail Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// ProtonMail Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
-
-package bridge
-
-import "strings"
-
-// StripProcessSerialNumber removes additional flag from macOS.
-// More info:
-// http://mirror.informatimago.com/next/developer.apple.com/documentation/Carbon/Reference/Process_Manager/prmref_main/data_type_5.html#//apple_ref/doc/uid/TP30000208/C001951
-func StripProcessSerialNumber(args []string) []string {
-	res := args[:0]
-
-	for _, arg := range args {
-		if !strings.Contains(arg, "-psn_") {
-			res = append(res, arg)
-		}
-	}
-
-	return res
-}