diff --git a/doc/alert-api.txt b/doc/alert-api.txt
index 65c065e..fc427c8 100644
--- a/doc/alert-api.txt
+++ b/doc/alert-api.txt
@@ -1,7 +1,6 @@
 BlueZ D-Bus Alert API description
 *********************************
 
-Copyright (C) 2012  Instituto Nokia de Tecnologia - INdT
 
 Introduction
 ------------
diff --git a/doc/cyclingspeed-api.txt b/doc/cyclingspeed-api.txt
index 1a2dfee..7b315e1 100644
--- a/doc/cyclingspeed-api.txt
+++ b/doc/cyclingspeed-api.txt
@@ -1,7 +1,6 @@
 Cycling Speed and Cadence API description
 *****************************************
 
-Copyright (C) 2012	Tieto Poland
 
 Cycling Speed and Cadence Manager hierarchy
 ===========================================
diff --git a/doc/heartrate-api.txt b/doc/heartrate-api.txt
index 0f202bd..665db12 100644
--- a/doc/heartrate-api.txt
+++ b/doc/heartrate-api.txt
@@ -1,8 +1,6 @@
 Heart Rate API description
 **************************
 
-Copyright (C) 2012	Santiago Carot-Nemesio <sancane@gmail.com>
-Copyright (C) 2012	Tieto Poland
 
 Heart Rate Manager hierarchy
 ============================
diff --git a/doc/proximity-api.txt b/doc/proximity-api.txt
index 4719428..5322544 100644
--- a/doc/proximity-api.txt
+++ b/doc/proximity-api.txt
@@ -1,8 +1,6 @@
 BlueZ D-Bus Proximity API description
 ***********************************
 
-Copyright (C) 2011  Claudio Takahasi <claudio.takahasi@openbossa.org>
-
 
 Proximity Monitor hierarchy
 ===========================