diff --git a/CHANGELOG b/CHANGELOG
index 4f51b26..5fa7bd4 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,9 @@
 All changes to the repository will be reported here
 
+## [Unreleased]
+### Removed
+- Copyright statements from test files
+
 ## [0.2.1]
 ### Updated
 - README file with optarg struct usage
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 8a2ab81..2abe3b9 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -1,20 +1,3 @@
-#[[
-This program is free software: you can redistribute it and/or 
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation, either version 3
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-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, see https://www.gnu.org/licenses/.
- 
-Author Marco M. Mosca, email: marcomichele.mosca@gmail.com
-]]
-
 project(cmd_api_test LANGUAGES C)
 
 add_executable (longopt_basic ${CMAKE_CURRENT_SOURCE_DIR}/longopt_basic.c)
diff --git a/tests/longopt_basic.c b/tests/longopt_basic.c
index d621577..65b011f 100644
--- a/tests/longopt_basic.c
+++ b/tests/longopt_basic.c
@@ -1,19 +1,3 @@
-/*
-This program is free software: you can redistribute it and/or 
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation, either version 3
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-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, see https://www.gnu.org/licenses/.
- 
-Author Marco M. Mosca, email: marcomichele.mosca@gmail.com
-*/
 #include "cmd-api.h"
 #include "assert.h"
 
diff --git a/tests/longopt_format_missedbar_error.c b/tests/longopt_format_missedbar_error.c
index 749021f..8b85d70 100644
--- a/tests/longopt_format_missedbar_error.c
+++ b/tests/longopt_format_missedbar_error.c
@@ -1,19 +1,3 @@
-/*
-This program is free software: you can redistribute it and/or 
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation, either version 3
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-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, see https://www.gnu.org/licenses/.
- 
-Author Marco M. Mosca, email: marcomichele.mosca@gmail.com
-*/
 #include "cmd-api.h"
 
 
diff --git a/tests/longopt_format_missedendbar_error.c b/tests/longopt_format_missedendbar_error.c
index c5631f9..838b7d3 100644
--- a/tests/longopt_format_missedendbar_error.c
+++ b/tests/longopt_format_missedendbar_error.c
@@ -1,19 +1,3 @@
-/*
-This program is free software: you can redistribute it and/or 
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation, either version 3
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-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, see https://www.gnu.org/licenses/.
- 
-Author Marco M. Mosca, email: marcomichele.mosca@gmail.com
-*/
 #include "cmd-api.h"
 
 
diff --git a/tests/longopt_missedarg_error.c b/tests/longopt_missedarg_error.c
index bd58530..5e8a27d 100644
--- a/tests/longopt_missedarg_error.c
+++ b/tests/longopt_missedarg_error.c
@@ -1,19 +1,3 @@
-/*
-This program is free software: you can redistribute it and/or 
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation, either version 3
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-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, see https://www.gnu.org/licenses/.
- 
-Author Marco M. Mosca, email: marcomichele.mosca@gmail.com
-*/
 #include "cmd-api.h"
 
 
diff --git a/tests/longopt_noargexpected_error.c b/tests/longopt_noargexpected_error.c
index 7dbf413..93eb18e 100644
--- a/tests/longopt_noargexpected_error.c
+++ b/tests/longopt_noargexpected_error.c
@@ -1,19 +1,3 @@
-/*
-This program is free software: you can redistribute it and/or 
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation, either version 3
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-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, see https://www.gnu.org/licenses/.
- 
-Author Marco M. Mosca, email: marcomichele.mosca@gmail.com
-*/
 #include "cmd-api.h"
 
 
diff --git a/tests/longopt_nodash_error.c b/tests/longopt_nodash_error.c
index 86ce96b..df968c5 100644
--- a/tests/longopt_nodash_error.c
+++ b/tests/longopt_nodash_error.c
@@ -1,19 +1,3 @@
-/*
-This program is free software: you can redistribute it and/or 
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation, either version 3
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-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, see https://www.gnu.org/licenses/.
- 
-Author Marco M. Mosca, email: marcomichele.mosca@gmail.com
-*/
 #include "cmd-api.h"
 
 
diff --git a/tests/longopt_shortopt.c b/tests/longopt_shortopt.c
index 3e1ba8c..18407c3 100644
--- a/tests/longopt_shortopt.c
+++ b/tests/longopt_shortopt.c
@@ -1,19 +1,3 @@
-/*
-This program is free software: you can redistribute it and/or 
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation, either version 3
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-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, see https://www.gnu.org/licenses/.
- 
-Author Marco M. Mosca, email: marcomichele.mosca@gmail.com
-*/
 #include "cmd-api.h"
 #include "assert.h"
 
diff --git a/tests/longopt_unknownopt_error.c b/tests/longopt_unknownopt_error.c
index a559c31..bca6e69 100644
--- a/tests/longopt_unknownopt_error.c
+++ b/tests/longopt_unknownopt_error.c
@@ -1,19 +1,3 @@
-/*
-This program is free software: you can redistribute it and/or 
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation, either version 3
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-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, see https://www.gnu.org/licenses/.
- 
-Author Marco M. Mosca, email: marcomichele.mosca@gmail.com
-*/
 #include "cmd-api.h"