diff --git a/LibAutomaton/CellElement.c b/LibAutomaton/CellElement.c
index 165425f..96fc5c8 100644
--- a/LibAutomaton/CellElement.c
+++ b/LibAutomaton/CellElement.c
@@ -16,7 +16,6 @@ cellElement * CreateCellElem(){
 
 	printf("---Created cellElement---\n");
 
-	elem->value = true;
 	elem->nextCol = NULL;
 	elem->nextRow = NULL;
 
@@ -132,6 +131,8 @@ void FreeCellElement(cellElement* element) {
 
 	if (element != NULL){
 		free(element);
+	}else{
+		printf("Cant free NULL");
 	}
 	element = NULL;
 }
diff --git a/LibAutomaton/CellElement.h b/LibAutomaton/CellElement.h
index 60b27e9..01c44f7 100644
--- a/LibAutomaton/CellElement.h
+++ b/LibAutomaton/CellElement.h
@@ -32,8 +32,6 @@ struct cellElement {
 	int colIndex;
 	int rowIndex;
 
-	bool value;
-
 	struct cellElement * nextCol;
 	struct cellElement * nextRow;
 
diff --git a/LibAutomaton/matrix.c b/LibAutomaton/matrix.c
index 3b4477a..a0b9154 100644
--- a/LibAutomaton/matrix.c
+++ b/LibAutomaton/matrix.c
@@ -103,7 +103,7 @@ bool CreateMatrixElem(Matrix matrix, int ColPos, int RowPos){
 
 
 	if (error != 0){
-		free(elem);
+		FreeCellElement(elem);
 		return true;
 	}else{
 		return false;
@@ -246,4 +246,20 @@ void BasicPrintMatrix(Matrix matrix){
 	}
 	
 	printf("---END OF MATRIX---\n\n");
-}
\ No newline at end of file
+}
+
+Matrix freeMatrix(Matrix matrix){
+	matrix.colCount = 0;
+	matrix.rowCount = 0;
+	/*il faut free les cellElements car FreeList ne peut pas le faire*/
+	FreeList(matrix.cols);
+	FreeList(matrix.rows);
+	return matrix;
+}
+
+/* todos :
+*finir le freeMatrix
+*chasser les bugs
+*ecrire doc
+*faire un print + opti pour que sli l'adapte avec sdl
+*/
\ No newline at end of file
diff --git a/LibAutomaton/matrix.h b/LibAutomaton/matrix.h
index c3a38bc..797f5c8 100644
--- a/LibAutomaton/matrix.h
+++ b/LibAutomaton/matrix.h
@@ -79,5 +79,7 @@ Matrix SetMatrixDim(Matrix matrix,int nbCols,int nbRows);
 
 void BasicPrintMatrix(Matrix matrix);
 
+Matrix freeMatrix(Matrix matrix);
+
 #endif
 
diff --git a/main.c b/main.c
index bd8e0e6..6973351 100644
--- a/main.c
+++ b/main.c
@@ -15,17 +15,23 @@ int main(int argc, char **argv){
 	int Rule = 256;
 	int N = 1;
 	applyRules(matrix,Rule,N);
-	matrix = SetMatrixDim(matrix,1,2);
+	matrix = SetMatrixDim(matrix,3,3);
 
 	BasicPrintMatrix(matrix);
 
 	SetCellValue(matrix,0,0,true);
-	SetCellValue(matrix,0,0,true);
+	SetCellValue(matrix,0,1,true);
+	SetCellValue(matrix,0,2,true);
 	BasicPrintMatrix(matrix);
 
 	SetCellValue(matrix,0,0,false);
-	SetCellValue(matrix,0,0,false);
+	SetCellValue(matrix,0,1,false);
 	BasicPrintMatrix(matrix);	
+
+	freeMatrix(matrix);
 	return 0;
 
 }
+/* todo 
+*modifier DeleteListContent avec sli
+*/
\ No newline at end of file