diff --git a/back_end/src/main/java/hackathon/FrisbYEE/jpa/metier/UserRole.java b/back_end/src/main/java/hackathon/FrisbYEE/jpa/metier/UserRole.java
deleted file mode 100644
index 92ebe82..0000000
--- a/back_end/src/main/java/hackathon/FrisbYEE/jpa/metier/UserRole.java
+++ /dev/null
@@ -1,25 +0,0 @@
-package hackathon.FrisbYEE.jpa.metier;
-
-import jakarta.persistence.EmbeddedId;
-import jakarta.persistence.Entity;
-import jakarta.persistence.ManyToOne;
-import jakarta.persistence.MapsId;
-import jakarta.persistence.Table;
-
-@Entity
-@Table(name = "utilisateur_role")
-public class UserRole {
-
-    @EmbeddedId
-    private UserRoleId id;
-
-    @ManyToOne
-    @MapsId("utilisateurId")
-    private User utilisateur;
-
-    @ManyToOne
-    @MapsId("roleId")
-    private Role role;
-
-    // getters/setters
-}
diff --git a/back_end/src/main/java/hackathon/FrisbYEE/jpa/metier/UserRoleId.java b/back_end/src/main/java/hackathon/FrisbYEE/jpa/metier/UserRoleId.java
deleted file mode 100644
index 56530cf..0000000
--- a/back_end/src/main/java/hackathon/FrisbYEE/jpa/metier/UserRoleId.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package hackathon.FrisbYEE.jpa.metier;
-
-import java.io.Serializable;
-
-import jakarta.persistence.Embeddable;
-
-@Embeddable
-public class UserRoleId implements Serializable {
-
-    private Long utilisateurId;
-    private Long roleId;
-
-    // equals() & hashCode() OBLIGATOIRES
-}
diff --git a/back_end/src/main/java/hackathon/FrisbYEE/jpa/metier/UtilisateurRoleDetails.java b/back_end/src/main/java/hackathon/FrisbYEE/jpa/metier/UtilisateurRoleDetails.java
deleted file mode 100644
index 743535d..0000000
--- a/back_end/src/main/java/hackathon/FrisbYEE/jpa/metier/UtilisateurRoleDetails.java
+++ /dev/null
@@ -1,23 +0,0 @@
-package hackathon.FrisbYEE.jpa.metier;
-
-import jakarta.persistence.Entity;
-import jakarta.persistence.Id;
-import jakarta.persistence.Inheritance;
-import jakarta.persistence.JoinColumn;
-import jakarta.persistence.MapsId;
-import jakarta.persistence.OneToOne;
-import jakarta.persistence.Table;
-
-@Entity
-@Inheritance(strategy = jakarta.persistence.InheritanceType.JOINED)
-@Table(name = "utilisateur_role_details")
-public abstract class UtilisateurRoleDetails {
-
-    @Id
-    private Long utilisateurId;
-
-    @OneToOne
-    @MapsId
-    @JoinColumn(name = "utilisateur_id")
-    private User utilisateur;
-}