diff --git a/Documentation/CONTRIBUTORS b/Documentation/CONTRIBUTORS
index 1974862ef1..f538b4a0de 100644
--- a/Documentation/CONTRIBUTORS
+++ b/Documentation/CONTRIBUTORS
@@ -21,6 +21,7 @@ Anna “CyberTailor” <cyber@sysrq.in>
 Anthony Basile <blueness@gentoo.org>
 Anthony Ryan <anthonyryan1@gmail.com>
 Arfrever Frehtes Taifersar Arahesis <arfrever.fta@gmail.com>
+Arsen Arsenović <arsen@gentoo.org>
 Arthur Zamarin <arthurzam@gentoo.org>
 Ben Kohler <bkohler@gentoo.org>
 Ben de Groot <yngwin@gentoo.org>
@@ -65,7 +66,6 @@ Ian Delaney <idell5@iinet.com.au>
 Ian Whyman <thev00d00@gentoo.org>
 Ilya Tumaykin <itumaykin@gmail.com>
 Ionen Wolkens <ionen@gentoo.org>
-Ionen Wolkens <sudinave@gmail.com>
 Jakov Smolić <jsmolic@gentoo.org>
 Jakub Caban <kuba@whyblack.pl>
 James Beddek <telans@posteo.de>
@@ -122,7 +122,6 @@ Michael Palimaka <kensington@gentoo.org>
 Michael Seifert <mseifert@error-reports.org>
 Michael Skiba <opensource@michael-skiba.de>
 Michał Górny <mgorny@gentoo.org>
-Mike Frysinger <vapier@chromium.org>
 Mike Frysinger <vapier@gentoo.org>
 Mike Gilbert <floppym@gentoo.org>
 Mike Lothian <mike@fireburn.co.uk>
@@ -141,7 +140,6 @@ Paul Zander <negril.nx+gentoo@gmail.com>
 Pavlos Ratis <dastergon@gentoo.org>
 Perfect Gentleman <perfect007gentleman@gmail.com>
 Petr Vaněk <arkamar@atlas.cz>
-Petros S (Petross404) <petross404@gmail.com>
 Petros S <petross404@gmail.com>
 Petteri Räty <betelgeuse@gentoo.org>
 Přemysl Vohout <premek@vohnout.cz>