diff --git a/Makefile b/Makefile
index 4b417d5..8e56348 100755
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
 # SPDX-License-Identifier: GPL-2.0
 # -*- makefile -*-
 #
-# Copyright (C) 2006-2018  B.A.T.M.A.N. contributors
+# Copyright (C) B.A.T.M.A.N. contributors
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of version 2 of the GNU General Public
diff --git a/allocate.h b/allocate.h
index cc4c283..7a5af4e 100644
--- a/allocate.h
+++ b/allocate.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2009-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/bat-hosts.c b/bat-hosts.c
index 02c4d81..ebd6525 100644
--- a/bat-hosts.c
+++ b/bat-hosts.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2007-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Andreas Langer <an.langer@gmx.de>, Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/bat-hosts.h b/bat-hosts.h
index 20ac32d..8e6e075 100644
--- a/bat-hosts.h
+++ b/bat-hosts.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2009-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/batadv_packet.h b/batadv_packet.h
index 894d8d2..1f09349 100644
--- a/batadv_packet.h
+++ b/batadv_packet.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) */
-/* Copyright (C) 2007-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Marek Lindner, Simon Wunderlich
  *
diff --git a/batman_adv.h b/batman_adv.h
index 324a0e1..2546f44 100644
--- a/batman_adv.h
+++ b/batman_adv.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: MIT */
-/* Copyright (C) 2016-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Matthias Schiffer
  *
diff --git a/bisect_iv.c b/bisect_iv.c
index d71ceda..bd01294 100644
--- a/bisect_iv.c
+++ b/bisect_iv.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2009-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/bisect_iv.h b/bisect_iv.h
index 7932c2f..086ea5b 100644
--- a/bisect_iv.h
+++ b/bisect_iv.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2009-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/debug.c b/debug.c
index 63fb633..f304cb8 100644
--- a/debug.c
+++ b/debug.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2009-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/debug.h b/debug.h
index 9c57aa6..ae5c0c9 100644
--- a/debug.h
+++ b/debug.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2009-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/functions.c b/functions.c
index e0e9978..13552ef 100644
--- a/functions.c
+++ b/functions.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2007-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Andreas Langer <an.langer@gmx.de>, Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/functions.h b/functions.h
index d3144d0..002cc2a 100644
--- a/functions.h
+++ b/functions.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2007-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Andreas Langer <an.langer@gmx.de>, Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/genl.h b/genl.h
index a0f05ba..26fdb7b 100644
--- a/genl.h
+++ b/genl.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2009-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/hash.c b/hash.c
index e604634..1cba7a5 100644
--- a/hash.c
+++ b/hash.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2006-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich, Marek Lindner
  *
diff --git a/hash.h b/hash.h
index ceb1857..cb4b61d 100644
--- a/hash.h
+++ b/hash.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2006-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich, Marek Lindner
  *
diff --git a/icmp_helper.c b/icmp_helper.c
index 00c5229..f30988f 100644
--- a/icmp_helper.c
+++ b/icmp_helper.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2007-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Marek Lindner <mareklindner@neomailbox.ch>, Simon Wunderlich
  *
diff --git a/icmp_helper.h b/icmp_helper.h
index 8075655..2d1f622 100644
--- a/icmp_helper.h
+++ b/icmp_helper.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2007-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Andreas Langer <an.langer@gmx.de>, Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/interface.c b/interface.c
index ac95641..599861e 100644
--- a/interface.c
+++ b/interface.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2009-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/interface.h b/interface.h
index 83ca129..ad38e3c 100644
--- a/interface.h
+++ b/interface.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2009-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/ioctl.c b/ioctl.c
index 6f9a056..18a40eb 100644
--- a/ioctl.c
+++ b/ioctl.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2012-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/ioctl.h b/ioctl.h
index 1b216c0..4f0fb78 100644
--- a/ioctl.h
+++ b/ioctl.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2012-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/list.h b/list.h
index 4e8f28f..5e23fa7 100644
--- a/list.h
+++ b/list.h
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: MIT */
 /* Minimal Linux-like double-linked list helper functions
  *
- * Copyright (c) 2012-2018, Sven Eckelmann <sven@narfation.org>
+ * Copyright (c) Sven Eckelmann <sven@narfation.org>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
diff --git a/main.c b/main.c
index d5504e0..14344f7 100644
--- a/main.c
+++ b/main.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2007-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Andreas Langer <an.langer@gmx.de>, Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/main.h b/main.h
index 486c8bf..944c4fb 100644
--- a/main.h
+++ b/main.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2007-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Andreas Langer <an.langer@gmx.de>, Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/netlink.c b/netlink.c
index f0fd1d9..e5dd739 100644
--- a/netlink.c
+++ b/netlink.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2009-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Marek Lindner <mareklindner@neomailbox.ch>, Andrew Lunn <andrew@lunn.ch>
  *
diff --git a/netlink.h b/netlink.h
index 089e25e..1fa4c3f 100644
--- a/netlink.h
+++ b/netlink.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2009-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Marek Lindner <mareklindner@neomailbox.ch>, Andrew Lunn <andrew@lunn.ch>
  *
diff --git a/ping.c b/ping.c
index dc88e22..e825e7a 100644
--- a/ping.c
+++ b/ping.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2007-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Andreas Langer <an.langer@gmx.de>, Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/ping.h b/ping.h
index f09ffb2..0f5d38f 100644
--- a/ping.h
+++ b/ping.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2009-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/sys.c b/sys.c
index e0c2073..8bb2e6e 100644
--- a/sys.c
+++ b/sys.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2009-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/sys.h b/sys.h
index 95b2a1e..b6935de 100644
--- a/sys.h
+++ b/sys.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2009-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/tcpdump.c b/tcpdump.c
index 22847ae..5ee1a75 100644
--- a/tcpdump.c
+++ b/tcpdump.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2007-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Andreas Langer <an.langer@gmx.de>
  *
diff --git a/tcpdump.h b/tcpdump.h
index f73211b..0cc95e1 100644
--- a/tcpdump.h
+++ b/tcpdump.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2007-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Andreas Langer <an.langer@gmx.de>, Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/tp_meter.c b/tp_meter.c
index 403c884..a803740 100644
--- a/tp_meter.c
+++ b/tp_meter.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2013-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Antonio Quartulli <a@unstable.cc>
  *
diff --git a/tp_meter.h b/tp_meter.h
index 72006ba..8456d22 100644
--- a/tp_meter.h
+++ b/tp_meter.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2013-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Antonio Quartulli <a@unstable.cc>
  *
diff --git a/traceroute.c b/traceroute.c
index ba7e27d..64eb3a4 100644
--- a/traceroute.c
+++ b/traceroute.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2007-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Andreas Langer <an.langer@gmx.de>, Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/traceroute.h b/traceroute.h
index ffe0252..146df08 100644
--- a/traceroute.h
+++ b/traceroute.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2009-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/translate.c b/translate.c
index 9059f20..f95c9ba 100644
--- a/translate.c
+++ b/translate.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2007-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Andreas Langer <an.langer@gmx.de>, Marek Lindner <mareklindner@neomailbox.ch>
  *
diff --git a/translate.h b/translate.h
index 8155827..02e26bc 100644
--- a/translate.h
+++ b/translate.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2009-2018  B.A.T.M.A.N. contributors:
+/* Copyright (C) B.A.T.M.A.N. contributors:
  *
  * Marek Lindner <mareklindner@neomailbox.ch>
  *
