diff --git a/src/Model/Arrow/BaseArrow.php b/src/Model/Arrow/BaseArrow.php
index ad05543b826d628a91f31151e69b25a0ade5bc74..75fdabdd00b82c1cd72f29a03d3645188cd7466c 100644
--- a/src/Model/Arrow/BaseArrow.php
+++ b/src/Model/Arrow/BaseArrow.php
@@ -50,11 +50,6 @@ class BaseArrow implements ArrowInterface
      */
     private $targetCardinality;
 
-    /**
-     * @var int
-     */
-    private static $splitCount = 0;
-
     public function __construct(
         NodeInterface $source,
         NodeInterface $target,
diff --git a/src/Model/Namespace_/Php/Namespace_.php b/src/Model/Namespace_/Php/Namespace_.php
index bfca7b33031b6e9e33d594e638d68ab898b74c2c..a63890e79ea0bffd0d0b2efd222770400f683fef 100644
--- a/src/Model/Namespace_/Php/Namespace_.php
+++ b/src/Model/Namespace_/Php/Namespace_.php
@@ -11,6 +11,8 @@ use Irstea\PlantUmlBundle\Writer\WriterInterface;
 
 /**
  * Description of Namespace.
+ *
+ * @SuppressWarnings("PHPMD.CamelCaseClassName")
  */
 class Namespace_ extends AbstractNamespace
 {
diff --git a/src/Model/Node/Class_.php b/src/Model/Node/Class_.php
index 62e419ad2b479673e27a0cfd0605aca4ea90e1f2..8d96dde7dc5accadbf6bbee937c10c5996db9bd0 100644
--- a/src/Model/Node/Class_.php
+++ b/src/Model/Node/Class_.php
@@ -10,6 +10,8 @@ use Irstea\PlantUmlBundle\Model\NamespaceInterface;
 
 /**
  * Description of Class_.
+ *
+ * @SuppressWarnings("PHPMD.CamelCaseClassName")
  */
 class Class_ extends BaseNode
 {
diff --git a/src/Model/Node/Interface_.php b/src/Model/Node/Interface_.php
index 2beb24fe434c574e61a3183861f490bdf9183da0..54e2c486873b9d9eaed1f0deb6d49c6d87f466f6 100644
--- a/src/Model/Node/Interface_.php
+++ b/src/Model/Node/Interface_.php
@@ -10,6 +10,8 @@ use Irstea\PlantUmlBundle\Model\NamespaceInterface;
 
 /**
  * Description of Interface_.
+ *
+ * @SuppressWarnings("PHPMD.CamelCaseClassName")
  */
 class Interface_ extends BaseNode
 {
diff --git a/src/Model/Node/Trait_.php b/src/Model/Node/Trait_.php
index fba1de70312789e661874f122de970f2f2bc5be8..3c81f6d05b35c3456659de1ebd64d780acdf0b8f 100644
--- a/src/Model/Node/Trait_.php
+++ b/src/Model/Node/Trait_.php
@@ -10,6 +10,8 @@ use Irstea\PlantUmlBundle\Model\NamespaceInterface;
 
 /**
  * Description of Trait_.
+ *
+ * @SuppressWarnings("PHPMD.CamelCaseClassName")
  */
 class Trait_ extends BaseNode
 {