diff --git a/libmpcodecs/ad_faad.c b/libmpcodecs/ad_faad.c
index e66103bb8e..226aed76f6 100644
--- a/libmpcodecs/ad_faad.c
+++ b/libmpcodecs/ad_faad.c
@@ -1,7 +1,7 @@
 /*
  * MPlayer AAC decoder using libfaad2
  *
- * Copyright (C) 2002 by Felix Buenemann <atmosfear at users.sourceforge.net>
+ * Copyright (C) 2002 Felix Buenemann <atmosfear at users.sourceforge.net>
  *
  * This file is part of MPlayer.
  *
diff --git a/libmpdemux/parse_mp4.c b/libmpdemux/parse_mp4.c
index 0d8f403b79..67ccce5a94 100644
--- a/libmpdemux/parse_mp4.c
+++ b/libmpdemux/parse_mp4.c
@@ -1,7 +1,7 @@
 /*
  * MP4 file format parser code
  *
- * Copyright (C) 2002 by Felix Buenemann <atmosfear at users.sourceforge.net>
+ * Copyright (C) 2002 Felix Buenemann <atmosfear at users.sourceforge.net>
  * Code inspired by libmp4 from http://mpeg4ip.sourceforge.net/.
  *
  * This file is part of MPlayer.
diff --git a/libmpdemux/parse_mp4.h b/libmpdemux/parse_mp4.h
index 72b06b986c..0591557b08 100644
--- a/libmpdemux/parse_mp4.h
+++ b/libmpdemux/parse_mp4.h
@@ -1,7 +1,7 @@
 /*
  * MP4 file format parser code
  *
- * Copyright (C) 2002 by Felix Buenemann <atmosfear at users.sourceforge.net>
+ * Copyright (C) 2002 Felix Buenemann <atmosfear at users.sourceforge.net>
  * Code inspired by libmp4 from http://mpeg4ip.sourceforge.net/.
  *
  * This file is part of MPlayer.
diff --git a/mangle.h b/mangle.h
index b2587b7fbb..37d5c148f6 100644
--- a/mangle.h
+++ b/mangle.h
@@ -1,7 +1,7 @@
 /*
  * CPP macros to deal with different symbol mangling across binary formats.
  *
- * Copyright (C) 2002 by Felix Buenemann <atmosfear at users.sourceforge.net>
+ * Copyright (C) 2002 Felix Buenemann <atmosfear at users.sourceforge.net>
  *
  * This file is part of MPlayer.
  *