diff --git a/external/etk b/external/etk
index 1826eb6f..e443c8a4 160000
--- a/external/etk
+++ b/external/etk
@@ -1 +1 @@
-Subproject commit 1826eb6fd917c330ecabbfb7333a509044673964
+Subproject commit e443c8a405d4b10febcd0d22d7ab4b7ce34fbd6d
diff --git a/sources/ewol/renderer/audio/decWav.cpp b/sources/ewol/renderer/audio/decWav.cpp
index 098e0963..f21f7b8b 100644
--- a/sources/ewol/renderer/audio/decWav.cpp
+++ b/sources/ewol/renderer/audio/decWav.cpp
@@ -280,7 +280,7 @@ int16_t * ewol::audio::wav::LoadData(etk::UString filename, int8_t nbChan, int32
 			}
 		}
 		if (nbChan == 1) {
-			*tmpOut++ = (int16_t)((left>>1 + right>>1)>>16);
+			*tmpOut++ = (int16_t)(((left>>1) + (right>>1))>>16);
 		} else {
 			*tmpOut++ = (int16_t)(left>>16);
 			*tmpOut++ = (int16_t)(left>>16);
diff --git a/sources/ewol/resources/Mesh.cpp b/sources/ewol/resources/Mesh.cpp
index 4e44e5d9..c6cbcf6c 100644
--- a/sources/ewol/resources/Mesh.cpp
+++ b/sources/ewol/resources/Mesh.cpp
@@ -136,7 +136,7 @@ void ewol::Mesh::Draw(mat4& _positionMatrix, bool _enableDepthTest, bool _enable
 			// remove face that is notin the view ...
 			etk::Vector<uint32_t> tmpIndexResult;
 			etk::Vector<ewol::Face>& tmppFaces = m_listFaces.GetValue(kkk).m_faces;
-			etk::Vector<uint32_t>& tmppIndex = m_listFaces.GetValue(kkk).m_index;
+			//etk::Vector<uint32_t>& tmppIndex = m_listFaces.GetValue(kkk).m_index;
 			if (normalModeFace == m_normalMode) {
 				for(int32_t iii=0; iii<tmppFaces.Size() ; ++iii) {
 					if(btDot(mattttt * m_listFacesNormal[tmppFaces[iii].m_normal[0]], cameraNormal) >= 0.0f) {
diff --git a/sources/ewol/widget/PopUp.h b/sources/ewol/widget/PopUp.h
index 00b0882f..bf3510a0 100644
--- a/sources/ewol/widget/PopUp.h
+++ b/sources/ewol/widget/PopUp.h
@@ -66,7 +66,7 @@ namespace widget {
 			 */
 			bool GetRemoveOnExternClick(void) const { return m_closeOutEvent; };
 		private:
-			float m_slidingProgress; //!< ratio progression of a sliding
+			//float m_slidingProgress; //!< ratio progression of a sliding
 		public:
 			typedef enum {
 				animationNone, //!< No annimation