diff --git a/src/main/java/org/petriNet/Arc.java b/src/main/java/org/petriNet/Arc.java
index 246ec93993f85b3ee250e1af8f4ba14c3d87e0a6..99565782b104e3eac3ada88854e33accac259427 100644
--- a/src/main/java/org/petriNet/Arc.java
+++ b/src/main/java/org/petriNet/Arc.java
@@ -28,10 +28,6 @@ public abstract class Arc {
     public int getId() {
         return this.id;
     }
-// Set weight removed , was not needed
-//    public void setWeight(int weight) {
-//        this.weight = weight;
-//    }
 
     public Place getPlace() {
         return this.place;
diff --git a/src/main/java/org/petriNet/IncomingArc_Videur.java b/src/main/java/org/petriNet/IncomingArc_Videur.java
index 5c29cadbb0f68bbf3b8bacbbbe5e2c0d8db3f08a..d238af246a6d0a6adc117a534798ebf5d9f489a0 100644
--- a/src/main/java/org/petriNet/IncomingArc_Videur.java
+++ b/src/main/java/org/petriNet/IncomingArc_Videur.java
@@ -2,11 +2,6 @@ package org.petriNet;
 
 public class IncomingArc_Videur extends IncomingArc {
 
-    Place place;
-    Transition transition;
-    int poids;
-    int id;
-
     public IncomingArc_Videur(Transition transition, Place place, int poids, int id) {
         super(transition, place, poids, id);
     }
@@ -16,10 +11,7 @@ public class IncomingArc_Videur extends IncomingArc {
 
     @Override
     public boolean canFire() {
-        if ( this.getPlace().getTokenCount()  > 0) {
-            return true;
-        }
-        return false;
+        return this.getPlace().getTokenCount() > 0;
     }
 
     @Override
diff --git a/src/main/java/org/petriNet/PetriNet.java b/src/main/java/org/petriNet/PetriNet.java
index dac7e9def556665831deeb2bc54c75a6c29f3571..0d2523d71e1b7eadb48c7e7878a49b65ec39eaea 100644
--- a/src/main/java/org/petriNet/PetriNet.java
+++ b/src/main/java/org/petriNet/PetriNet.java
@@ -140,7 +140,7 @@
 
 			for (int i = 0; i < numberOfPlaces; i++) {
 				places.add(new Place( numberOfTokens.get(i), this.generateId(1)));
-			};
+			}
 			return places;
 		}
 
diff --git a/src/main/java/org/petriNet/Transition.java b/src/main/java/org/petriNet/Transition.java
index 8fc574c23ab59b6e9c002b30b1b6f66e41bc0e28..b5b0918c7b055cdf8bad69581b9a3f676d847e78 100644
--- a/src/main/java/org/petriNet/Transition.java
+++ b/src/main/java/org/petriNet/Transition.java
@@ -1,6 +1,5 @@
 package org.petriNet;
 
-import java.util.ArrayList;
 import java.util.LinkedList;
 import java.util.List;
 
diff --git a/src/test/java/org/petriNet/PetriNetTest.java b/src/test/java/org/petriNet/PetriNetTest.java
index 11855b2ce09aa33fbec62e280282766cc0cd6bd7..982612e13911f6991ddfe888690163d2ef35ab92 100644
--- a/src/test/java/org/petriNet/PetriNetTest.java
+++ b/src/test/java/org/petriNet/PetriNetTest.java
@@ -3,7 +3,6 @@ import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 
-import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.LinkedList;
 import java.util.List;
@@ -108,7 +107,7 @@ public class PetriNetTest {
         Place P1 = new Place(0, Mutex.generateId(1));
         Mutex.addPlace(P1);
         Mutex.addPlace(P1);
-        assertEquals(1, Mutex.getPlaces().size(), "Number of places"); ;
+        assertEquals(1, Mutex.getPlaces().size(), "Number of places");
 
         // CT1
         Transition T1 = new Transition("T1", Mutex.generateId(2));