diff --git a/lib/Activite.php b/lib/Activite.php
deleted file mode 100644
index d59c950..0000000
--- a/lib/Activite.php
+++ /dev/null
@@ -1,33 +0,0 @@
-<?php
-
-namespace Garradin\Plugin\RecusFiscaux;
-/*
- * information d'une activité
- */
-class Activite
-{
-    public $id;
-    public $label;
-    public $description;
-
-    public function __construct(
-        $id,
-        $label,
-        $description)
-    {
-        $this->id = $id;
-        $this->label = $label;
-        $this->description = $description;
-    }
-
-    /*
-     * @return instance de Activite initialisée avec l'objet o
-     */
-    public static function copier($o)
-    {
-        return new Activite(
-            $o->id,
-            $o->label,
-            $o->description);
-    }
-}
diff --git a/lib/Tarif.php b/lib/Tarif.php
deleted file mode 100644
index 997b79b..0000000
--- a/lib/Tarif.php
+++ /dev/null
@@ -1,41 +0,0 @@
-<?php
-
-namespace Garradin\Plugin\RecusFiscaux;
-/*
- * information d'un tarif
- */
-class Tarif
-{
-    public $id;
-    public $idActivite; // activité associée
-    public $label;
-    public $description;
-    public $montant;
-
-    public function __construct(
-        $id,
-        $idActivite,
-        $label,
-        $description,
-        $montant)
-    {
-        $this->id = $id;
-        $this->idActivite = $idActivite;
-        $this->label = $label;
-        $this->description = $description;
-        $this->montant = $montant;
-    }
-
-    /*
-     * @return instance de Tarif initialisée avec l'objet o
-     */
-    public static function copier($o)
-    {
-        return new Tarif(
-            $o->id,
-            $o->idActivite,
-            $o->label,
-            $o->description,
-            $o->montant);
-    }
-}
diff --git a/www/admin/versements_activites.php b/www/admin/versements_activites.php
index f4e0e8d..d2fa478 100644
--- a/www/admin/versements_activites.php
+++ b/www/admin/versements_activites.php
@@ -2,9 +2,7 @@
 
 namespace Garradin;
 
-use Garradin\Plugin\RecusFiscaux\Activite;
 use Garradin\Plugin\RecusFiscaux\Personne;
-use Garradin\Plugin\RecusFiscaux\Tarif;
 use Garradin\Plugin\RecusFiscaux\Utils;
 
 // ------------------------------------------------------------