diff --git a/src/backend/Simulator.java b/src/backend/Simulator.java
index fe64f96..9eea721 100644
--- a/src/backend/Simulator.java
+++ b/src/backend/Simulator.java
@@ -1,8 +1,6 @@
 package backend;
 import java.util.ArrayList;
 
-import managementImage.ImageColor;
-import students.Gradient;
 import windowInterface.MyInterface;
 
 public class Simulator extends Thread {
@@ -40,7 +38,6 @@ public class Simulator extends Thread {
 		agents = new ArrayList<Agent>();
 		fieldBirthValues = new ArrayList<Integer>();
 		fieldSurviveValues = new ArrayList<Integer>();
-		cellState = false;
 		//TODO : add missing attribute initialization
 		
 		grid = gridCreation();