diff --git a/ParadisEO-GPU/src/memory/moCudaAllocator.h b/ParadisEO-GPU/src/memory/moCudaAllocator.h
index 008f65218..a712664b1 100644
--- a/ParadisEO-GPU/src/memory/moCudaAllocator.h
+++ b/ParadisEO-GPU/src/memory/moCudaAllocator.h
@@ -42,7 +42,7 @@
  *  class for allocation data on GPU global memory
  */
 
-template<typename T>
+
 class moCudaAllocator {
 
 public:
@@ -59,7 +59,7 @@ public:
 	 *@param _data the data to allocate on GPU global memory
 	 *@param _dataSize the size of data to allocate on GPU memory
 	 */
-
+    template<typename T>
 	void operator()(T* & _data, unsigned _dataSize) {
 
 		//Allocate data in GPU memory
diff --git a/ParadisEO-GPU/src/memory/moCudaCopy.h b/ParadisEO-GPU/src/memory/moCudaCopy.h
index 6af29c242..9fd68e584 100644
--- a/ParadisEO-GPU/src/memory/moCudaCopy.h
+++ b/ParadisEO-GPU/src/memory/moCudaCopy.h
@@ -42,7 +42,6 @@
  *  class to copy data  from CPU memory to  GPU global memory and vice versa
  */
 
-template<typename T>
 class moCudaCopy {
 
 public:
@@ -60,7 +59,7 @@ public:
 	 *@param _dataTocpy the data to copy from CPU memory to GPU memory
 	 *@param _dataSize the size of data to copy 
 	 */
-
+	template<typename T>
 	void operator()(T* & _data, T * & _dataTocpy, unsigned _dataSize) {
 
 		//copy data from CPU memory to GPU memory
@@ -77,7 +76,7 @@ public:
 	 *@param _dev_data the device global variable
 	 *@param _dataTocpy the data to copy GPU global memory to GPU global variable
 	 */
-
+	template<typename T>
 	void operator()(T* & _dev_data, T * & _dataTocpy) {
 
 		//Copy n bytes from the memory area pointed to by _dataTocpy to the memory area pointed to by offset bytes from the start of symbol _dev_data
@@ -93,7 +92,7 @@ public:
 	 *@param _dataSize the size of data to copy 
 	 *@param _HostToDevice the direction of copy(true if copy will be done from CPU memory to GPU memory)
 	 */
-
+	template<typename T>
 	void operator()(T* & _data, T * & _dataTocpy, unsigned _dataSize,
 			bool _HostToDevice) {
 
diff --git a/ParadisEO-GPU/src/memory/moCudaDesallocator.h b/ParadisEO-GPU/src/memory/moCudaDesallocator.h
index af261528f..9d9bd8a60 100644
--- a/ParadisEO-GPU/src/memory/moCudaDesallocator.h
+++ b/ParadisEO-GPU/src/memory/moCudaDesallocator.h
@@ -42,7 +42,6 @@
  *  class for Desallocation of data from GPU global memory
  */
 
-template<typename T>
 class moCudaDesallocator {
 
 public:
@@ -58,7 +57,7 @@ public:
 	 *Desallocate data on GPU global memory
 	 *@param _data the data to desallocate from GPU global memory
 	 */
-
+	template<typename T>
 	void operator()(T* & _data) {
 
 		//Desallocate data from GPU global memory
diff --git a/ParadisEO-GPU/src/memory/moCudaObject.h b/ParadisEO-GPU/src/memory/moCudaObject.h
index ef9e574d1..875584099 100644
--- a/ParadisEO-GPU/src/memory/moCudaObject.h
+++ b/ParadisEO-GPU/src/memory/moCudaObject.h
@@ -45,7 +45,6 @@
  *  class of managment of data on GPU global memory (allocation,desallocation & copy)
  */
 
-template<typename T>
 class moCudaObject {
 
 public:
@@ -56,7 +55,7 @@ public:
 	 *@param _dataTocpy the data to copy from CPU memory to _data on GPU memory
 	 *@param _dataSize the size of data to copy
 	 */
-
+	template<typename T>
 	void memCopy(T* & _data, T * & _dataTocpy, unsigned _dataSize) {
 		malloc(_data, _dataSize);
 		copy(_data, _dataTocpy, _dataSize);
@@ -67,7 +66,7 @@ public:
 	 *@param _dev_data the device global variable
 	 *@param _dataTocpy the data to copy GPU global memory to GPU global variable
 	 */
-
+	template<typename T>
 	void memCopyGlobalVariable(T* & _dev_data, T * & _dataTocpy) {
 		copy(_dev_data, _dataTocpy);
 	}
@@ -76,16 +75,16 @@ public:
 	 *Desallocate data on GPU global memory
 	 *@param _data the data to desallocate from GPU global memory
 	 */
-
+	template<typename T>
 	void memFree(T* & _data) {
 		free(_data);
 	}
 
 public:
 
-	moCudaAllocator<T> malloc;
-	moCudaCopy<T> copy;
-	moCudaDesallocator<T> free;
+	moCudaAllocator malloc;
+	moCudaCopy copy;
+	moCudaDesallocator free;
 
 };
 
diff --git a/ParadisEO-GPU/src/memory/moCudaSpecificData.h b/ParadisEO-GPU/src/memory/moCudaSpecificData.h
index b9a5529d1..e37ff2c27 100644
--- a/ParadisEO-GPU/src/memory/moCudaSpecificData.h
+++ b/ParadisEO-GPU/src/memory/moCudaSpecificData.h
@@ -41,7 +41,6 @@
  *  class of managment of specific data problem
  */
 
-template<class T>
 class moCudaSpecificData {
 
 public:
@@ -78,10 +77,10 @@ public:
 		sizeData = _size;
 	}
 
-public:
+ public:
 
 	unsigned int sizeData;
-	moCudaObject<T> cudaObject;
+	moCudaObject cudaObject;
 
 };
 #endif