diff --git a/DEV.2.1/TP/Progression.java b/DEV.2.1/TP/Progression.java
deleted file mode 100644
index e6e8399..0000000
--- a/DEV.2.1/TP/Progression.java
+++ /dev/null
@@ -1,25 +0,0 @@
-public class Progression {
-  
-  private int compte;
-  
-  public void plusUn() {
-    this.compte++;
-  }
-  
-  public String toString() {
-    return Integer.toBinaryString(this.compte);
-  }
-  
-  public Progression(int valeur_debut) {
-    this.compte = valeur_debut;
-  }
-
-  public static void main(String[] args) {
-    Progression compteur = new Progression(5);
-
-    for (int i = 5; i <= 9; i++){
-      System.out.println(compteur);
-      compteur.plusUn();
-      }
-    }
-}
\ No newline at end of file