diff --git a/ex4.2/CaloCell.cc b/ex4.2/CaloCell.cc
deleted file mode 100644
index b4e4f57..0000000
--- a/ex4.2/CaloCell.cc
+++ /dev/null
@@ -1,18 +0,0 @@
-//CaloGrid.cc
-#include <iostream>
-#include "CaloGrid.hh"
-
-CaloCell* CaloGrid::cell(int x, int y ) {
-	if ( x > nx or x < 0 ) {
-		std::cout << "CaloGrid::cell() Error: out of grid (x)" << std::endl ;
-		return nullptr;
-	}
-
-	if ( y > ny or y < 0 ) {
-		std::cout << "CaloGrid::cell() Error: out of grid (y)" << std::endl ;
-		return nullptr;
-	}
-
-	return cells[ x*nx + y ] ;
-}
-
diff --git a/ex4.2/CaloCell.hh b/ex4.2/CaloCell.hh
index 30a396d..b26c3c4 100644
--- a/ex4.2/CaloCell.hh
+++ b/ex4.2/CaloCell.hh
@@ -13,10 +13,10 @@ class CaloCell
 		// No need for Constructor or Destructor
 
 		double getEnergy() const { return energy; }
-		bool setEnergy( double new_energy ) { return (energy = new_energy) ; }
+		void setEnergy( double new_energy ) { energy = new_energy ; }
 
 		int getId() const { return ID ; }
-		bool setId( int new_id ) { return ( ID = new_id ) ; }
+		void setId( int new_id ) { ID = new_id ; }
 
 
 	private: