diff --git a/htdocs/api/admin/explorer.php b/htdocs/api/admin/explorer.php
index 262b3f69476..53ff102e89b 100644
--- a/htdocs/api/admin/explorer.php
+++ b/htdocs/api/admin/explorer.php
@@ -43,7 +43,6 @@ if (empty($conf->global->MAIN_MODULE_API))
     exit;
 }
 
-use \Luracast\Restler\Defaults;
 
 $api = new DolibarrApi($db);
 
diff --git a/htdocs/api/class/api_generic.class.php b/htdocs/api/class/api_generic.class.php
index 038621b6235..9a630a9da47 100644
--- a/htdocs/api/class/api_generic.class.php
+++ b/htdocs/api/class/api_generic.class.php
@@ -15,9 +15,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-use Luracast\Restler\Restler;
 use Luracast\Restler\RestException;
-use Luracast\Restler\Defaults;
 
 require_once DOL_DOCUMENT_ROOT.'/user/class/user.class.php';
 require_once DOL_DOCUMENT_ROOT.'/api/class/api.class.php';
diff --git a/htdocs/api/index.php b/htdocs/api/index.php
index 2fbad04ecbb..660c90d3476 100644
--- a/htdocs/api/index.php
+++ b/htdocs/api/index.php
@@ -55,7 +55,6 @@ if (empty($conf->global->MAIN_MODULE_API))
     exit;
 }
 
-use \Luracast\Restler\Defaults;
 
 $api = new DolibarrApi($db);