diff --git a/gale/context/Context.cpp b/gale/context/Context.cpp
index c2e86e5..965f2b9 100644
--- a/gale/context/Context.cpp
+++ b/gale/context/Context.cpp
@@ -16,8 +16,6 @@
 #include <etk/thread/tools.h>
 #include <mutex>
 
-#include <date/date.h>
-
 #include <gale/gale.h>
 #include <gale/Dimension.h>
 #include <gale/debug.h>
@@ -269,7 +267,6 @@ gale::Context::Context(gale::Application* _application, int32_t _argc, const cha
 	//etk::cout.setOutputFile(true);
 	
 	GALE_INFO("GALE v:" << gale::getVersion());
-	GALE_INFO("Build Date: " << date::getYear() << "/" << date::getMonth() << "/" << date::getDay() << " " << date::getHour() << "h" << date::getMinute());
 	// TODO : remove this ...
 	etk::initDefaultFolder("galeApplNoName");
 	// request the init of the application in the main context of openGL ...
diff --git a/gale/gale.cpp b/gale/gale.cpp
index d4dd6d4..d838d98 100644
--- a/gale/gale.cpp
+++ b/gale/gale.cpp
@@ -12,7 +12,6 @@
 #include <gale/context/commandLine.h>
 #include <etk/os/FSNode.h>
 #include <gale/Dimension.h>
-#include <date/date.h>
 
 #undef __class__
 #define __class__ "gale"
diff --git a/lutin_gale.py b/lutin_gale.py
index 90aa944..12bfc83 100644
--- a/lutin_gale.py
+++ b/lutin_gale.py
@@ -26,6 +26,13 @@ def create(target):
 		'gale/Application.cpp',
 		'gale/Thread.cpp',
 		])
+	myModule.add_header_file([
+		'gale/gale.h',
+		'gale/Dimension.h',
+		'gale/orientation.h',
+		'gale/Application.h',
+		'gale/Thread.h',
+		])
 	
 	# context :
 	myModule.add_src_file([
@@ -34,6 +41,12 @@ def create(target):
 		'gale/context/Context.cpp',
 		'gale/context/cursor.cpp',
 		])
+	myModule.add_header_file([
+		'gale/context/clipBoard.h',
+		'gale/context/commandLine.h',
+		'gale/context/Context.h',
+		'gale/context/cursor.h',
+		])
 	if target.name=="Linux":
 		myModule.add_src_file('gale/context/X11/Context.cpp')
 		# check if egami is present in the worktree: this is for the icon parsing ...
@@ -76,11 +89,20 @@ def create(target):
 		'gale/key/status.cpp',
 		'gale/key/type.cpp'
 		])
+	myModule.add_header_file([
+		'gale/key/keyboard.h',
+		'gale/key/Special.h',
+		'gale/key/status.h',
+		'gale/key/type.h'
+		])
 	
 	# OpenGL interface :
 	myModule.add_src_file([
 		'gale/renderer/openGL/openGL.cpp'
 		])
+	myModule.add_header_file([
+		'gale/renderer/openGL/openGL.h'
+		])
 	
 	# resources :
 	myModule.add_src_file([
@@ -91,9 +113,17 @@ def create(target):
 		'gale/resource/Texture.cpp',
 		'gale/resource/VirtualBufferObject.cpp'
 		])
+	myModule.add_header_file([
+		'gale/resource/Manager.h',
+		'gale/resource/Program.h',
+		'gale/resource/Resource.h',
+		'gale/resource/Shader.h',
+		'gale/resource/Texture.h',
+		'gale/resource/VirtualBufferObject.h'
+		])
 	
 	# name of the dependency
-	myModule.add_module_depend(['etk', 'date'])
+	myModule.add_module_depend(['etk'])
 	
 	myModule.add_export_path(tools.get_current_path(__file__))