diff --git a/ewolsa/LoadedFile.cpp b/ewolsa/LoadedFile.cpp
index 78658b4..14af0d0 100644
--- a/ewolsa/LoadedFile.cpp
+++ b/ewolsa/LoadedFile.cpp
@@ -19,7 +19,7 @@ static void* threadCallback2(void *_ptr) {
 	return NULL;
 }
 
-void ewolsa::LoadedFile::decode(void) {
+void ewolsa::LoadedFile::decode() {
 	m_data = ewolsa::ogg::loadAudioFile(m_file, m_nbChanRequested, m_nbSamples);
 }
 
@@ -53,7 +53,7 @@ ewolsa::LoadedFile::LoadedFile(const std::string& _fileName, int8_t _nbChanReque
 }
 
 
-ewolsa::LoadedFile::~LoadedFile(void) {
+ewolsa::LoadedFile::~LoadedFile() {
 	// TODO : wait end of thread...
 	if (m_data != NULL) {
 		delete[] m_data;
diff --git a/ewolsa/LoadedFile.h b/ewolsa/LoadedFile.h
index a5f1190..4aad05b 100644
--- a/ewolsa/LoadedFile.h
+++ b/ewolsa/LoadedFile.h
@@ -21,17 +21,17 @@ namespace ewolsa {
 			pthread_t m_thread2;
 		public:
 			LoadedFile(const std::string& _fileName, int8_t _nbChanRequested=1);
-			~LoadedFile(void);
+			~LoadedFile();
 			std::string m_file;
 			int32_t m_nbSamples;
 			int32_t m_nbChanRequested;
 			int32_t m_requestedTime;
 			int16_t* m_data;
 		public:
-			const std::string& getName(void) {
+			const std::string& getName() {
 				return m_file;
 			};
-			void decode(void);
+			void decode();
 	};
 };
 
diff --git a/ewolsa/debug.cpp b/ewolsa/debug.cpp
index ff041ff..d099ab9 100644
--- a/ewolsa/debug.cpp
+++ b/ewolsa/debug.cpp
@@ -8,7 +8,7 @@
 
 #include <ewolsa/debug.h>
 
-int32_t ewolsa::getLogId(void) {
+int32_t ewolsa::getLogId() {
 	static int32_t g_val = etk::log::registerInstance("ewol-sa");
 	return g_val;
 }
diff --git a/ewolsa/debug.h b/ewolsa/debug.h
index 893d367..4ab0a1c 100644
--- a/ewolsa/debug.h
+++ b/ewolsa/debug.h
@@ -12,7 +12,7 @@
 #include <etk/log.h>
 
 namespace ewolsa {
-	int32_t getLogId(void);
+	int32_t getLogId();
 };
 // TODO : Review this problem of multiple intanciation of "std::stringbuf sb"
 #define EWOLSA_BASE(info,data) \
diff --git a/ewolsa/effects.cpp b/ewolsa/effects.cpp
index 13456ce..b712e56 100644
--- a/ewolsa/effects.cpp
+++ b/ewolsa/effects.cpp
@@ -43,7 +43,7 @@ class RequestPlay {
 			m_playTime=0;
 			m_freeSlot=false;
 		};
-		bool isFree(void) {
+		bool isFree() {
 			return m_freeSlot;
 		};
 		void play(int16_t * _bufferInterlace, int32_t _nbSample, int32_t _nbChannels) {
@@ -81,12 +81,12 @@ class RequestPlay {
 std::vector<ewolsa::LoadedFile*> ListEffects;
 std::vector<RequestPlay*> ListEffectsPlaying;
 
-void ewolsa::effects::init(void) {
+void ewolsa::effects::init() {
 	ewolsa::effects::volumeSet(0);
 	ewolsa::effects::muteSet(false);
 }
 
-void ewolsa::effects::unInit(void) {
+void ewolsa::effects::unInit() {
 	ewolsa::effects::volumeSet(-1000);
 	ewolsa::effects::muteSet(true);
 }
@@ -158,12 +158,12 @@ void ewolsa::effects::play(int32_t _effectId, float _xxx, float _yyy) {
 }
 
 
-float ewolsa::effects::volumeGet(void) {
+float ewolsa::effects::volumeGet() {
 	return effectsVolume;
 }
 
 
-static void uptateEffectVolume(void) {
+static void uptateEffectVolume() {
 	if (effectsMute == true) {
 		effectsVolumeApply = 0;
 	} else {
@@ -182,7 +182,7 @@ void ewolsa::effects::volumeSet(float _newVolume) {
 }
 
 
-bool ewolsa::effects::muteGet(void) {
+bool ewolsa::effects::muteGet() {
 	return effectsMute;
 }
 
diff --git a/ewolsa/effects.h b/ewolsa/effects.h
index faf6c7c..c664504 100644
--- a/ewolsa/effects.h
+++ b/ewolsa/effects.h
@@ -15,16 +15,16 @@
 namespace ewolsa {
 	// note effect is loaded in memory (then don't create long effect) and unload only when requested
 	namespace effects {
-		void init(void);
-		void unInit(void);
+		void init();
+		void unInit();
 		// note : support file (Mono, 16bit, 48kHz) : .raw or .wav (no encodage) or .ogg (decoded with tremor lib)
 		int32_t add(const std::string& _file);
 		void rm(int32_t _effectId);
 		void play(int32_t _effectId, float _xxx=0, float _yyy=0);
 		// in db
-		float volumeGet(void);
+		float volumeGet();
 		void volumeSet(float _newVolume);
-		bool muteGet(void);
+		bool muteGet();
 		void muteSet(bool _newMute);
 		void getData(int16_t* _bufferInterlace, int32_t _nbSample, int32_t _nbChannels);
 		
diff --git a/ewolsa/ewolsa.cpp b/ewolsa/ewolsa.cpp
index eca0f1d..c70d886 100644
--- a/ewolsa/ewolsa.cpp
+++ b/ewolsa/ewolsa.cpp
@@ -38,7 +38,7 @@ static int airtAudioCallBack(void *_outputBuffer,
 
 
 
-void ewolsa::init(void) {
+void ewolsa::init() {
 	if (g_dac != NULL) {
 		EWOLSA_ERROR("multiple init requested ... at the audio system ...");
 		return;
@@ -66,7 +66,7 @@ void ewolsa::init(void) {
 }
 
 
-void ewolsa::unInit(void) {
+void ewolsa::unInit() {
 	if (g_dac == NULL) {
 		EWOLSA_ERROR("multiple un-init requested ... at the audio system ...");
 		return;
diff --git a/ewolsa/ewolsa.h b/ewolsa/ewolsa.h
index 3fa0c85..2e9420f 100644
--- a/ewolsa/ewolsa.h
+++ b/ewolsa/ewolsa.h
@@ -15,8 +15,8 @@
 #include <ewolsa/music.h>
 
 namespace ewolsa {
-	void init(void);
-	void unInit(void);
+	void init();
+	void unInit();
 };
 
 #endif
diff --git a/ewolsa/music.cpp b/ewolsa/music.cpp
index 485e4e3..c5304fe 100644
--- a/ewolsa/music.cpp
+++ b/ewolsa/music.cpp
@@ -26,7 +26,7 @@ static std::vector<ewolsa::LoadedFile*> musicListRead;
 static int32_t musicCurrentRead = -1;
 static int32_t musicNextRead = -1;
 
-void ewolsa::music::init(void) {
+void ewolsa::music::init() {
 	ewolsa::music::volumeSet(0);
 	ewolsa::music::muteSet(false);
 	std::unique_lock<std::mutex> lck(localMutex);
@@ -43,7 +43,7 @@ void ewolsa::music::init(void) {
 	musicListRead.clear();
 }
 
-void ewolsa::music::unInit(void) {
+void ewolsa::music::unInit() {
 	ewolsa::music::volumeSet(-1000);
 	ewolsa::music::muteSet(true);
 	std::unique_lock<std::mutex> lck(localMutex);
@@ -119,7 +119,7 @@ bool ewolsa::music::play(const std::string& _file) {
 }
 
 
-bool ewolsa::music::stop(void) {
+bool ewolsa::music::stop() {
 	if (musicCurrentRead == -1) {
 		EWOLSA_INFO("No current audio is playing");
 		return false;
@@ -131,12 +131,12 @@ bool ewolsa::music::stop(void) {
 
 
 
-float ewolsa::music::volumeGet(void) {
+float ewolsa::music::volumeGet() {
 	return musicVolume;
 }
 
 
-static void uptateMusicVolume(void) {
+static void uptateMusicVolume() {
 	if (musicMute == true) {
 		musicVolumeApply = 0;
 	} else {
@@ -156,7 +156,7 @@ void ewolsa::music::volumeSet(float _newVolume) {
 }
 
 
-bool ewolsa::music::muteGet(void) {
+bool ewolsa::music::muteGet() {
 	return musicMute;
 }
 
diff --git a/ewolsa/music.h b/ewolsa/music.h
index 094fd3a..ee43ab2 100644
--- a/ewolsa/music.h
+++ b/ewolsa/music.h
@@ -14,18 +14,18 @@
 
 namespace ewolsa {
 	namespace music {
-		void init(void);
-		void unInit(void);
+		void init();
+		void unInit();
 		void fading(int32_t _timeMs);
 		
 		void preLoad(const std::string& _file);
 		bool play(const std::string& _file);
-		bool stop(void);
+		bool stop();
 		
 		// in db
-		float volumeGet(void);
+		float volumeGet();
 		void volumeSet(float _newVolume);
-		bool muteGet(void);
+		bool muteGet();
 		void muteSet(bool _newMute);
 		void getData(int16_t * _bufferInterlace, int32_t _nbSample, int32_t _nbChannels);