diff --git a/src/main/kotlin/fr/postgresjson/entity/Entity.kt b/src/main/kotlin/fr/postgresjson/entity/Entity.kt
index 6b1e8be..8aaa066 100644
--- a/src/main/kotlin/fr/postgresjson/entity/Entity.kt
+++ b/src/main/kotlin/fr/postgresjson/entity/Entity.kt
@@ -1,15 +1,10 @@
 package fr.postgresjson.entity
 
-import com.fasterxml.jackson.annotation.JsonIgnore
 import org.joda.time.DateTime
 import java.util.*
-import kotlin.reflect.KClass
 
 /* ID */
-interface EntityI {
-    val className: KClass<EntityI>
-        @JsonIgnore() get() = this::class as KClass<EntityI>
-}
+interface EntityI
 
 abstract class Entity<T>(open var id: T? = null): EntityI
 open class UuidEntity(override var id: UUID? = UUID.randomUUID()): Entity<UUID>(id)
diff --git a/src/main/kotlin/fr/postgresjson/repository/Repository.kt b/src/main/kotlin/fr/postgresjson/repository/Repository.kt
index f7566a8..4b872aa 100644
--- a/src/main/kotlin/fr/postgresjson/repository/Repository.kt
+++ b/src/main/kotlin/fr/postgresjson/repository/Repository.kt
@@ -1,15 +1,9 @@
 package fr.postgresjson.repository
 
 import fr.postgresjson.connexion.Requester
-import fr.postgresjson.entity.EntityI
-import kotlin.reflect.KClass
 
-interface RepositoryI<E: EntityI> {
-    val entityName: KClass<E>
+interface RepositoryI {
     var requester: Requester
-    fun getClassName(): String {
-        return entityName.simpleName!!
-    }
 
     enum class Direction {
         asc,