diff --git a/setup/feature_removal/ModelReflectionSerializer.php b/setup/feature_removal/ModelReflectionSerializer.php
index 9fcdffb58e..814c909788 100644
--- a/setup/feature_removal/ModelReflectionSerializer.php
+++ b/setup/feature_removal/ModelReflectionSerializer.php
@@ -2,9 +2,7 @@
 
 namespace Combodo\iTop\Setup\FeatureRemoval;
 
-use ContextTag;
 use CoreException;
-use Exception;
 use IssueLog;
 use SetupLog;
 use utils;
diff --git a/tests/php-unit-tests/unitary-tests/setup/feature_removal/ModelSerializationTest.php b/tests/php-unit-tests/unitary-tests/setup/feature_removal/ModelSerializationTest.php
index 85ced1e0c4..079cc530da 100644
--- a/tests/php-unit-tests/unitary-tests/setup/feature_removal/ModelSerializationTest.php
+++ b/tests/php-unit-tests/unitary-tests/setup/feature_removal/ModelSerializationTest.php
@@ -4,7 +4,6 @@ namespace Combodo\iTop\Test\UnitTest\Setup\FeatureRemoval;
 
 use Combodo\iTop\Setup\FeatureRemoval\ModelReflectionSerializer;
 use Combodo\iTop\Test\UnitTest\ItopDataTestCase;
-use ContextTag;
 use MetaModel;
 
 class ModelSerializationTest extends ItopDataTestCase