diff --git a/Generator/DefinitionInjectorGenerator.php b/Generator/DefinitionInjectorGenerator.php
index 0238e5c..3c97a1d 100644
--- a/Generator/DefinitionInjectorGenerator.php
+++ b/Generator/DefinitionInjectorGenerator.php
@@ -109,10 +109,6 @@ public function generate(Definition $def, $className, $targetPath)
             }
         }
 
-        if (method_exists($def, 'getInitMethod') && $def->getInitMethod()) {
-            $writer->writeln('$instance->'.$def->getInitMethod().'();');
-        }
-
         $writer
             ->writeln('return $instance;')
             ->outdent()
diff --git a/Metadata/ClassMetadata.php b/Metadata/ClassMetadata.php
index 2814377..4a250e2 100644
--- a/Metadata/ClassMetadata.php
+++ b/Metadata/ClassMetadata.php
@@ -35,7 +35,11 @@ class ClassMetadata extends BaseClassMetadata
     public $methodCalls = array();
     public $lookupMethods = array();
     public $properties = array();
+    /**
+     * @deprecated since version 1.7, to be removed in 2.0. Use $initMethods instead.
+     */
     public $initMethod;
+    public $initMethods = array();
     public $environments = array();
     public $decorates;
     public $decoration_inner_name;
diff --git a/Metadata/Driver/AnnotationDriver.php b/Metadata/Driver/AnnotationDriver.php
index 28da6ed..3efc9fa 100644
--- a/Metadata/Driver/AnnotationDriver.php
+++ b/Metadata/Driver/AnnotationDriver.php
@@ -209,6 +209,7 @@ public function loadMetadataForClass(\ReflectionClass $class)
                     }
 
                     $metadata->initMethod = $method->name;
+                    $metadata->initMethods[] = $method->name;
                 } else if ($annot instanceof MetadataProcessorInterface) {
                     if (null === $metadata->id) {
                         $metadata->id = $this->namingStrategy->classToServiceName($className);
diff --git a/Metadata/MetadataConverter.php b/Metadata/MetadataConverter.php
index a7c3174..2010413 100644
--- a/Metadata/MetadataConverter.php
+++ b/Metadata/MetadataConverter.php
@@ -86,12 +86,13 @@ public function convert(ClassHierarchyMetadata $metadata)
                 $classMetadata->id = '_jms_di_extra.unnamed.service_'.$count++;
             }
 
-            if ($classMetadata->initMethod) {
-                if (!method_exists($definition, 'setInitMethod')) {
-                    throw new \RuntimeException(sprintf('@AfterSetup is not available on your Symfony version.'));
+            if (0 !== count($classMetadata->initMethods)) {
+                foreach ($classMetadata->initMethods as $initMethod) {
+                    $definition->addMethodCall($initMethod);
                 }
-
-                $definition->setInitMethod($classMetadata->initMethod);
+            } elseif (null !== $classMetadata->initMethod) {
+                @trigger_error('ClassMetadata::$initMethod is deprecated since version 1.7 and will be removed in 2.0. Use ClassMetadata::$initMethods instead.', E_USER_DEPRECATED);
+                $definition->addMethodCall($classMetadata->initMethod);
             }
 
             $definitions[$classMetadata->id] = $definition;