diff --git a/application/src/Entity/Attribut/SourceCollectionAttribut.php b/application/src/Entity/Attribut/SourceCollectionAttribut.php
deleted file mode 100644
index 35d1789..0000000
--- a/application/src/Entity/Attribut/SourceCollectionAttribut.php
+++ /dev/null
@@ -1,23 +0,0 @@
-<?php
-
-namespace App\Entity\Attribut;
-
-use Doctrine\Common\Collections\Collection;
-use App\Entity\Source\SourceInterface;
-
-trait SourceCollectionAttribut
-{
-    /**
-     * @param Collection|SourceInterface[] $collection
-     */
-    public function setCollection(Collection $collection): void
-    {
-    }
-
-    /**
-     * @return Collection|SourceInterface[]
-     */
-    public function getCollection(): Collection
-    {
-    }
-}
diff --git a/application/src/Entity/Attribut/SourceCollectionAttributInterface.php b/application/src/Entity/Attribut/SourceCollectionAttributInterface.php
deleted file mode 100644
index 4bb229d..0000000
--- a/application/src/Entity/Attribut/SourceCollectionAttributInterface.php
+++ /dev/null
@@ -1,19 +0,0 @@
-<?php
-
-namespace App\Entity\Attribut;
-
-use Doctrine\Common\Collections\Collection;
-use App\Entity\Source\SourceInterface;
-
-interface SourceCollectionAttributInterface
-{
-    /**
-     * @param Collection|SourceInterface[] $collection
-     */
-    public function setCollection(Collection $collection): void;
-
-    /**
-     * @return Collection|SourceInterface[]
-     */
-    public function getCollection(): Collection;
-}