diff --git a/core_functions.sh b/core_functions.sh
index 871a541..9361450 100644
--- a/core_functions.sh
+++ b/core_functions.sh
@@ -6,12 +6,6 @@
 #    website : https://makotonoblog.be/                                       #
 #-----------------------------------------------------------------------------#
 
-#-----------------------------------------------------------------------------#
-#                                                                             #
-# Ubuntu 16.04 / Linux Mint 18                                                #
-#                                                                             #
-#-----------------------------------------------------------------------------#
-
 #-----------------------------------------------------------------------------#
 # core functions                                                              #
 #-----------------------------------------------------------------------------#
diff --git a/tools_functions.sh b/tools_functions.sh
index 219fb5f..a399e7c 100644
--- a/tools_functions.sh
+++ b/tools_functions.sh
@@ -6,12 +6,6 @@
 #    website : https://makotonoblog.be/                                       #
 #-----------------------------------------------------------------------------#
 
-#-----------------------------------------------------------------------------#
-#                                                                             #
-# Ubuntu 16.04 / Linux Mint 18                                                #
-#                                                                             #
-#-----------------------------------------------------------------------------#
-
 #-----------------------------------------------------------------------------#
 # tools and config functions                                                  #
 #-----------------------------------------------------------------------------#