diff --git a/hostport.c b/hostport.c
index 7211ac4..c8bdc9f 100644
--- a/hostport.c
+++ b/hostport.c
@@ -2,11 +2,6 @@
  * Copyright (c) 2010-2012, NORDUnet A/S. */
 /* See LICENSE for licensing information. */
 
-/* Code contributions from:
- *
- * Simon Leinen <simon.leinen@switch.ch>
- */
-
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
diff --git a/radsecproxy.c b/radsecproxy.c
index 1cc477a..9346a37 100644
--- a/radsecproxy.c
+++ b/radsecproxy.c
@@ -2,14 +2,6 @@
  * Copyright (c) 2010-2012, NORDUnet A/S. */
 /* See LICENSE for licensing information. */
 
-/* Code contributions from:
- *
- * Arne Schwabe <schwabe at uni-paderborn.de>
- * Maja Wolniewicz <mgw@umk.pl>
- * Simon Leinen <simon.leinen@switch.ch>
- * Stefan Winter <stefan.winter@restena.lu>
- */
-
 /* For UDP there is one server instance consisting of udpserverrd and udpserverth
  *              rd is responsible for init and launching wr
  * For TLS there is a server instance that launches tlsserverrd for each TLS peer
diff --git a/util.c b/util.c
index b5d40c9..fb4217a 100644
--- a/util.c
+++ b/util.c
@@ -2,11 +2,6 @@
  * Copyright (c) 2010-2012, NORDUnet A/S. */
 /* See LICENSE for licensing information. */
 
-/* Code contributions from:
- *
- * Stefan Winter <stefan.winter@restena.lu>
- */
-
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <netdb.h>