diff --git a/library/Businessprocess/BpNode.php b/library/Businessprocess/BpNode.php
index df90c67..ab76e3e 100644
--- a/library/Businessprocess/BpNode.php
+++ b/library/Businessprocess/BpNode.php
@@ -623,18 +623,14 @@ class BpNode extends Node
         switch ($this->getOperator()) {
             case self::OP_AND:
                 return 'AND';
-                break;
             case self::OP_OR:
                 return 'OR';
             case self::OP_XOR:
                 return 'XOR';
-                break;
             case self::OP_NOT:
                 return 'NOT';
-                break;
             case self::OP_DEGRADED:
                 return 'DEG';
-                break;
             default:
                 // MIN
                 $this->assertNumericOperator();