diff --git a/src/json/mapnik_json_feature_collection_grammar.cpp b/src/json/mapnik_json_feature_collection_grammar.cpp
index 8d66c8047..9e13d9423 100644
--- a/src/json/mapnik_json_feature_collection_grammar.cpp
+++ b/src/json/mapnik_json_feature_collection_grammar.cpp
@@ -2,7 +2,7 @@
  *
  * This file is part of Mapnik (c++ mapping toolkit)
  *
- * Copyright (C) 2014 Artem Pavlenko, Jean-Francois Doyon
+ * Copyright (C) 2014 Artem Pavlenko
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/src/json/mapnik_json_feature_grammar.cpp b/src/json/mapnik_json_feature_grammar.cpp
index 70c65685f..3742dfd30 100644
--- a/src/json/mapnik_json_feature_grammar.cpp
+++ b/src/json/mapnik_json_feature_grammar.cpp
@@ -2,7 +2,7 @@
  *
  * This file is part of Mapnik (c++ mapping toolkit)
  *
- * Copyright (C) 2014 Artem Pavlenko, Jean-Francois Doyon
+ * Copyright (C) 2014 Artem Pavlenko
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/src/json/mapnik_json_generator_grammar.cpp b/src/json/mapnik_json_generator_grammar.cpp
index 0f45df122..1639d7084 100644
--- a/src/json/mapnik_json_generator_grammar.cpp
+++ b/src/json/mapnik_json_generator_grammar.cpp
@@ -2,7 +2,7 @@
  *
  * This file is part of Mapnik (c++ mapping toolkit)
  *
- * Copyright (C) 2014 Artem Pavlenko, Jean-Francois Doyon
+ * Copyright (C) 2014 Artem Pavlenko
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/src/json/mapnik_json_geometry_grammar.cpp b/src/json/mapnik_json_geometry_grammar.cpp
index bd9d81c82..73456fac0 100644
--- a/src/json/mapnik_json_geometry_grammar.cpp
+++ b/src/json/mapnik_json_geometry_grammar.cpp
@@ -2,7 +2,7 @@
  *
  * This file is part of Mapnik (c++ mapping toolkit)
  *
- * Copyright (C) 2014 Artem Pavlenko, Jean-Francois Doyon
+ * Copyright (C) 2014 Artem Pavlenko
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/src/json/mapnik_topojson_grammar.cpp b/src/json/mapnik_topojson_grammar.cpp
index 6f232abf3..81d6552f4 100644
--- a/src/json/mapnik_topojson_grammar.cpp
+++ b/src/json/mapnik_topojson_grammar.cpp
@@ -2,7 +2,7 @@
  *
  * This file is part of Mapnik (c++ mapping toolkit)
  *
- * Copyright (C) 2014 Artem Pavlenko, Jean-Francois Doyon
+ * Copyright (C) 2014 Artem Pavlenko
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/src/wkt/mapnik_wkt_generator_grammar.cpp b/src/wkt/mapnik_wkt_generator_grammar.cpp
index 52636b8ea..2bea8c85d 100644
--- a/src/wkt/mapnik_wkt_generator_grammar.cpp
+++ b/src/wkt/mapnik_wkt_generator_grammar.cpp
@@ -2,7 +2,7 @@
  *
  * This file is part of Mapnik (c++ mapping toolkit)
  *
- * Copyright (C) 2014 Artem Pavlenko, Jean-Francois Doyon
+ * Copyright (C) 2014 Artem Pavlenko
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/src/wkt/mapnik_wkt_grammar.cpp b/src/wkt/mapnik_wkt_grammar.cpp
index b5d299674..41196c9d8 100644
--- a/src/wkt/mapnik_wkt_grammar.cpp
+++ b/src/wkt/mapnik_wkt_grammar.cpp
@@ -2,7 +2,7 @@
  *
  * This file is part of Mapnik (c++ mapping toolkit)
  *
- * Copyright (C) 2014 Artem Pavlenko, Jean-Francois Doyon
+ * Copyright (C) 2014 Artem Pavlenko
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public