diff --git a/src/BeSimple/SoapBundle/Controller/SoapWebServiceController.php b/src/BeSimple/SoapBundle/Controller/SoapWebServiceController.php
index 97246eb..05631c9 100644
--- a/src/BeSimple/SoapBundle/Controller/SoapWebServiceController.php
+++ b/src/BeSimple/SoapBundle/Controller/SoapWebServiceController.php
@@ -19,7 +19,6 @@ use BeSimple\SoapBundle\WebServiceContext;
 use BeSimple\SoapServer\SoapServerBuilder;
 use Symfony\Component\DependencyInjection\ContainerAwareInterface;
 use Symfony\Component\DependencyInjection\ContainerAwareTrait;
-use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Debug\Exception\FlattenException;
@@ -59,7 +58,7 @@ class SoapWebServiceController implements ContainerAwareInterface
     /**
      * @var array
      */
-    private $headers = array();
+    private $headers = [];
 
     /**
      * @return \BeSimple\SoapBundle\Soap\SoapResponse
@@ -67,12 +66,12 @@ class SoapWebServiceController implements ContainerAwareInterface
     public function callAction($webservice)
     {
         /** @var WebServiceContext $webServiceContext */
-        $webServiceContext   = $this->getWebServiceContext($webservice);
+        $webServiceContext = $this->getWebServiceContext($webservice);
 
         $this->serviceBinder = $webServiceContext->getServiceBinder();
 
         $this->soapRequest = SoapRequest::createFromHttpRequest($this->container->get('request_stack')->getCurrentRequest());
-        $this->soapServer  = $webServiceContext
+        $this->soapServer = $webServiceContext
             ->getServerBuilder()
             ->withSoapVersion11()
             ->withHandler($this)
@@ -96,14 +95,14 @@ class SoapWebServiceController implements ContainerAwareInterface
     {
         $routeName = $webservice . '_webservice_call';
         $result = $this->container->get('router')->getRouteCollection()->get($routeName);
-        if ($result === null) {
+        if (null === $result) {
             $routeName = '_webservice_call';
         }
 
         $response = new Response($this->getWebServiceContext($webservice)->getWsdlFileContent(
             $this->container->get('router')->generate(
                 $routeName,
-                array('webservice' => $webservice),
+                ['webservice' => $webservice],
                 UrlGeneratorInterface::ABSOLUTE_URL
             )
         ));
@@ -135,14 +134,14 @@ class SoapWebServiceController implements ContainerAwareInterface
             throw new \LogicException(sprintf('The parameter "%s" is required in Request::$query parameter bag to generate the SoapFault.', '_besimple_soap_webservice'), null, $e);
         }
 
-        $view = '@Twig/Exception/'.($this->container->get('kernel')->isDebug() ? 'exception' : 'error').'.txt.twig';
+        $view = '@Twig/Exception/' . ($this->container->get('kernel')->isDebug() ? 'exception' : 'error') . '.txt.twig';
         $code = $exception->getStatusCode();
-        $details = $this->container->get('twig')->render($view, array(
+        $details = $this->container->get('twig')->render($view, [
             'status_code' => $code,
             'status_text' => isset(Response::$statusTexts[$code]) ? Response::$statusTexts[$code] : '',
-            'exception'   => $exception,
-            'logger'      => $logger,
-        ));
+            'exception' => $exception,
+            'logger' => $logger,
+        ]);
 
         $handler = new ExceptionHandler($exception, $details);
         if ($soapFault = $request->query->get('_besimple_soap_fault')) {
@@ -153,7 +152,7 @@ class SoapWebServiceController implements ContainerAwareInterface
         }
 
         $server = SoapServerBuilder::createWithDefaults()
-            ->withWsdl(__DIR__.'/../Handler/wsdl/exception.wsdl')
+            ->withWsdl(__DIR__ . '/../Handler/wsdl/exception.wsdl')
             ->withWsdlCacheNone()
             ->withHandler($handler)
             ->build()
@@ -161,11 +160,11 @@ class SoapWebServiceController implements ContainerAwareInterface
 
         ob_start();
         $server->handle(
-            '<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns="http://besim.pl/soap/exception/1.0/">'.
-               '<soapenv:Header/>'.
-               '<soapenv:Body>'.
-                  '<ns:exception />'.
-               '</soapenv:Body>'.
+            '<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns="http://besim.pl/soap/exception/1.0/">' .
+               '<soapenv:Header/>' .
+               '<soapenv:Body>' .
+                  '<ns:exception />' .
+               '</soapenv:Body>' .
             '</soapenv:Envelope>'
         );
 
@@ -176,8 +175,8 @@ class SoapWebServiceController implements ContainerAwareInterface
      * This method gets called once for every SOAP header the \SoapServer received
      * and afterwards once for the called SOAP operation.
      *
-     * @param string $method The SOAP header or SOAP operation name
-     * @param array $arguments
+     * @param string $method    The SOAP header or SOAP operation name
+     * @param array  $arguments
      *
      * @return mixed
      */
@@ -234,7 +233,7 @@ class SoapWebServiceController implements ContainerAwareInterface
     }
 
     /**
-     * Set the SoapResponse
+     * Set the SoapResponse.
      *
      * @param Response $response A response to check and set
      *
diff --git a/src/BeSimple/SoapBundle/ServiceBinding/RpcLiteralRequestMessageBinder.php b/src/BeSimple/SoapBundle/ServiceBinding/RpcLiteralRequestMessageBinder.php
index b743a51..13abf08 100644
--- a/src/BeSimple/SoapBundle/ServiceBinding/RpcLiteralRequestMessageBinder.php
+++ b/src/BeSimple/SoapBundle/ServiceBinding/RpcLiteralRequestMessageBinder.php
@@ -55,8 +55,7 @@ class RpcLiteralRequestMessageBinder implements MessageBinderInterface
             $isArray = true;
             $array = array();
 
-            $phpType = substr($type->getPhpType(), 0, strlen($type->getPhpType()) - 2);
-            $type = $this->typeRepository->getType($phpType);
+            $type = $this->typeRepository->getType($type->get('item')->getType());
         }
 
         // @TODO Fix array reference
@@ -79,21 +78,6 @@ class RpcLiteralRequestMessageBinder implements MessageBinderInterface
                         $array = $assocArray;
                     }
                 }
-                if (is_array($message)) {
-                    foreach ($message as $complexType) {
-                        $array[] = $this->checkComplexType($phpType, $complexType);
-                    }
-
-                    // See https://github.com/BeSimple/BeSimpleSoapBundle/issues/29
-                    if (in_array('BeSimple\SoapCommon\Type\AbstractKeyValue', class_parents($phpType))) {
-                        $assocArray = array();
-                        foreach ($array as $keyValue) {
-                            $assocArray[$keyValue->getKey()] = $keyValue->getValue();
-                        }
-
-                        $array = $assocArray;
-                    }
-                }
 
                 $message = $array;
             } else {
diff --git a/src/BeSimple/SoapBundle/ServiceDefinition/Annotation/ComplexType.php b/src/BeSimple/SoapBundle/ServiceDefinition/Annotation/ComplexType.php
index d3d2a78..49122cf 100644
--- a/src/BeSimple/SoapBundle/ServiceDefinition/Annotation/ComplexType.php
+++ b/src/BeSimple/SoapBundle/ServiceDefinition/Annotation/ComplexType.php
@@ -18,7 +18,6 @@ class ComplexType extends Configuration
     private $name;
     private $value;
     private $isNillable = false;
-    private $isAttribute = false;
 
     public function getName()
     {
@@ -60,26 +59,6 @@ class ComplexType extends Configuration
         $this->isNillable = (bool) $isNillable;
     }
 
-    /**
-     * @return bool
-     */
-    public function isAttribute()
-    {
-        return $this->isAttribute;
-    }
-
-    /**
-     * @param bool $isAttribute
-     *
-     * @return $this
-     */
-    public function setIsAttribute($isAttribute)
-    {
-            $this->isAttribute = $isAttribute;
-
-            return $this;
-    }
-
     public function getAliasName()
     {
         return 'complextype';
diff --git a/src/BeSimple/SoapBundle/ServiceDefinition/ComplexType.php b/src/BeSimple/SoapBundle/ServiceDefinition/ComplexType.php
index 7dca7f2..d0ae464 100644
--- a/src/BeSimple/SoapBundle/ServiceDefinition/ComplexType.php
+++ b/src/BeSimple/SoapBundle/ServiceDefinition/ComplexType.php
@@ -20,7 +20,6 @@ class ComplexType
     private $name;
     private $value;
     private $isNillable = false;
-    private $isAttribute = false;
 
     public function getName()
     {
@@ -47,26 +46,6 @@ class ComplexType
         $this->value = $value;
     }
 
-    /**
-     * @return bool
-     */
-    public function isAttribute()
-    {
-        return $this->isAttribute;
-    }
-
-    /**
-     * @param bool $isAttribute
-     *
-     * @return $this
-     */
-    public function setIsAttribute($isAttribute)
-    {
-        $this->isAttribute = $isAttribute;
-
-        return $this;
-    }
-
     public function setNillable($isNillable)
     {
         $this->isNillable = (bool) $isNillable;
diff --git a/src/BeSimple/SoapBundle/ServiceDefinition/Loader/AnnotationClassLoader.php b/src/BeSimple/SoapBundle/ServiceDefinition/Loader/AnnotationClassLoader.php
index 0903f18..5460a85 100644
--- a/src/BeSimple/SoapBundle/ServiceDefinition/Loader/AnnotationClassLoader.php
+++ b/src/BeSimple/SoapBundle/ServiceDefinition/Loader/AnnotationClassLoader.php
@@ -160,7 +160,7 @@ class AnnotationClassLoader extends Loader
             $loaded = $complexTypeResolver->load($phpType);
             $complexType = new ComplexType($phpType, isset($loaded['alias']) ? $loaded['alias'] : $phpType);
             foreach ($loaded['properties'] as $name => $property) {
-                $complexType->add($name, $this->loadType($property->getValue()), $property->isNillable(), $property->isAttribute());
+                $complexType->add($name, $this->loadType($property->getValue()), $property->isNillable());
             }
 
             $this->typeRepository->addComplexType($complexType);
diff --git a/src/BeSimple/SoapBundle/ServiceDefinition/Loader/AnnotationComplexTypeLoader.php b/src/BeSimple/SoapBundle/ServiceDefinition/Loader/AnnotationComplexTypeLoader.php
index 44089b6..1d3e095 100644
--- a/src/BeSimple/SoapBundle/ServiceDefinition/Loader/AnnotationComplexTypeLoader.php
+++ b/src/BeSimple/SoapBundle/ServiceDefinition/Loader/AnnotationComplexTypeLoader.php
@@ -58,7 +58,6 @@ class AnnotationComplexTypeLoader extends AnnotationClassLoader
                 $propertyComplexType = new ComplexType();
                 $propertyComplexType->setValue($complexType->getValue());
                 $propertyComplexType->setNillable($complexType->isNillable());
-                $propertyComplexType->setIsAttribute($complexType->isAttribute());
                 $propertyComplexType->setName($property->getName());
                 $annotations['properties']->add($propertyComplexType);
             }
diff --git a/src/BeSimple/SoapBundle/WebServiceContext.php b/src/BeSimple/SoapBundle/WebServiceContext.php
index 7947278..875659e 100644
--- a/src/BeSimple/SoapBundle/WebServiceContext.php
+++ b/src/BeSimple/SoapBundle/WebServiceContext.php
@@ -79,10 +79,7 @@ class WebServiceContext
             }
 
             $dumper = new Dumper($definition, array('stylesheet' => $this->options['wsdl_stylesheet']));
-
-            $wsdl = $dumper->dump();
-
-            $cache->write($wsdl);
+            $cache->write($dumper->dump());
         }
 
         return $cache->getPath();
diff --git a/src/BeSimple/SoapCommon/Definition/Message.php b/src/BeSimple/SoapCommon/Definition/Message.php
index 506c56d..caa78fe 100644
--- a/src/BeSimple/SoapCommon/Definition/Message.php
+++ b/src/BeSimple/SoapCommon/Definition/Message.php
@@ -48,13 +48,13 @@ class Message
         return 0 === count($this->parts) ? true : false;
     }
 
-    public function add($name, $phpType, $nillable = false, $attribute = false)
+    public function add($name, $phpType, $nillable = false)
     {
         if ($phpType instanceof TypeInterface) {
             $phpType = $phpType->getPhpType();
         }
 
-        $this->parts[$name] = new Part($name, $phpType, $nillable, $attribute);
+        $this->parts[$name] = new Part($name, $phpType, $nillable);
 
         return $this;
     }
diff --git a/src/BeSimple/SoapCommon/Definition/Part.php b/src/BeSimple/SoapCommon/Definition/Part.php
index 925d293..317f046 100644
--- a/src/BeSimple/SoapCommon/Definition/Part.php
+++ b/src/BeSimple/SoapCommon/Definition/Part.php
@@ -20,14 +20,12 @@ class Part
     protected $name;
     protected $type;
     protected $nillable;
-    protected $attribute;
 
-    public function __construct($name, $type, $nillable = false, $attribute = false)
+    public function __construct($name, $type, $nillable = false)
     {
         $this->name = $name;
         $this->type = $type;
         $this->setNillable($nillable);
-        $this->setAttribute($attribute);
     }
 
     public function getName()
@@ -35,26 +33,6 @@ class Part
         return $this->name;
     }
 
-    /**
-     * @return bool
-     */
-    public function isAttribute()
-    {
-        return $this->attribute;
-    }
-
-    /**
-     * @param bool $attribute
-     *
-     * @return $this
-     */
-    public function setAttribute($attribute)
-    {
-            $this->attribute = $attribute;
-    
-            return $this;
-    }
-
     public function getType()
     {
         return $this->type;
diff --git a/src/BeSimple/SoapWsdl/Dumper/Dumper.php b/src/BeSimple/SoapWsdl/Dumper/Dumper.php
index 736b608..a66120e 100644
--- a/src/BeSimple/SoapWsdl/Dumper/Dumper.php
+++ b/src/BeSimple/SoapWsdl/Dumper/Dumper.php
@@ -217,13 +217,11 @@ class Dumper
 
     protected function addComplexTypes()
     {
-        $types = $this->document->createElement(static::WSDL_NS . ':types');
+        $types = $this->document->createElement('types');
         $this->domDefinitions->appendChild($types);
 
         $this->domSchema = $this->document->createElement(static::XSD_NS.':schema');
         $this->domSchema->setAttribute('targetNamespace', $this->definition->getNamespace());
-        $this->domSchema->setAttribute('elementFormDefault', 'unqualified');
-        $this->domSchema->setAttribute(static::XML_NS.':'.static::XSD_NS, static::XSD_NS_URI);
         $types->appendChild($this->domSchema);
 
         foreach ($this->definition->getTypeRepository()->getComplexTypes() as $type) {
@@ -238,18 +236,13 @@ class Dumper
         $complexType = $this->document->createElement(static::XSD_NS.':complexType');
         $complexType->setAttribute('name', $type->getXmlType());
 
-        $all = $this->document->createElement(static::XSD_NS.':'.'sequence');
+        $all = $this->document->createElement(static::XSD_NS.':'.($type instanceof ArrayOfType ? 'sequence' : 'all'));
         $complexType->appendChild($all);
 
         foreach ($type->all() as $child) {
-            $isArray = false;
             $childType = $this->definition->getTypeRepository()->getType($child->getType());
 
-            if ($child->isAttribute()) {
-                $element = $this->document->createElement(static::XSD_NS.':attribute');
-            } else {
-                $element = $this->document->createElement(static::XSD_NS.':element');
-            }
+            $element = $this->document->createElement(static::XSD_NS.':element');
             $element->setAttribute('name', $child->getName());
 
             if ($childType instanceof ComplexType) {
@@ -269,18 +262,14 @@ class Dumper
                 $element->setAttribute('minOccurs', 1);
             }
 
-            if ($type instanceof ArrayOfType || $isArray) {
+            if ($type instanceof ArrayOfType) {
                 $element->setAttribute('minOccurs', 0);
                 $element->setAttribute('maxOccurs', 'unbounded');
             } else {
                 $element->setAttribute('maxOccurs', 1);
             }
 
-            if ($child->isAttribute()) {
-                $complexType->appendChild($element);
-            } else {
-                $all->appendChild($element);
-            }
+            $all->appendChild($element);
         }
 
         $this->domSchema->appendChild($complexType);