diff --git a/include/ipa.hrl b/include/ipa.hrl
index f0372f4..a652629 100644
--- a/include/ipa.hrl
+++ b/include/ipa.hrl
@@ -11,10 +11,6 @@
 % but WITHOUT ANY WARRANTY; without even the implied warranty of
 % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 % GNU General Public License for more details.
-%
-% You should have received a copy of the GNU General Public License along
-% with this program; if not, write to the Free Software Foundation, Inc.,
-% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 -ifndef(IPA).
 -define(IPA, true).
diff --git a/src/ipa_proto.erl b/src/ipa_proto.erl
index d1d4396..ceb024a 100644
--- a/src/ipa_proto.erl
+++ b/src/ipa_proto.erl
@@ -14,10 +14,6 @@
 % but WITHOUT ANY WARRANTY; without even the implied warranty of
 % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 % GNU General Public License for more details.
-%
-% You should have received a copy of the GNU General Public License along
-% with this program; if not, write to the Free Software Foundation, Inc.,
-% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 -module(ipa_proto).
 -author('Harald Welte <laforge@gnumonks.org>').
diff --git a/src/ipa_proto_ccm.erl b/src/ipa_proto_ccm.erl
index cfd3863..27ceba9 100644
--- a/src/ipa_proto_ccm.erl
+++ b/src/ipa_proto_ccm.erl
@@ -13,10 +13,6 @@
 % but WITHOUT ANY WARRANTY; without even the implied warranty of
 % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 % GNU General Public License for more details.
-%
-% You should have received a copy of the GNU General Public License along
-% with this program; if not, write to the Free Software Foundation, Inc.,
-% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 -module(ipa_proto_ccm).
 -author('Harald Welte <laforge@gnumonks.org>').