diff --git a/src/entity/color/ColorInterface.php b/src/entity/color/ColorInterface.php
deleted file mode 100644
index 5fe2025..0000000
--- a/src/entity/color/ColorInterface.php
+++ /dev/null
@@ -1,16 +0,0 @@
-<?php
-namespace entity\color;
-
-/**
- * In a real Application color would be saved in the database
- * Otherwise it's agains "Normalisierung" ;) 
- * @author kevinfrantz
- *        
- */
-interface ColorInterface
-{
-    public function setColor(string $color):void;
-
-    public function getColor():string;
-}
-
diff --git a/src/entity/product/Product.php b/src/entity/product/Product.php
index 1af44f6..9806adf 100644
--- a/src/entity/product/Product.php
+++ b/src/entity/product/Product.php
@@ -1,7 +1,6 @@
 <?php
 namespace entity\product;
 
-use entity\color\ColorInterface;
 use entity\price\PriceInterface;
 use entity\image\ImageInterface;
 
@@ -18,10 +17,10 @@ final class Product implements ProductInterface
     public function getName(): string
     {}
 
-    public function setColor(ColorInterface $color): void
+    public function setColor(string $color): void
     {}
 
-    public function getColor(): ColorInterface
+    public function getColor(): string
     {}
 
     public function setId(int $id): void
diff --git a/src/entity/product/ProductInterface.php b/src/entity/product/ProductInterface.php
index 6d03ced..2beb421 100644
--- a/src/entity/product/ProductInterface.php
+++ b/src/entity/product/ProductInterface.php
@@ -46,14 +46,14 @@ interface ProductInterface
     public function setName(string $name):void;
     
     /**
-     * @return ColorInterface
+     * @return string
      */
-    public function getColor():ColorInterface;
+    public function getColor():string;
     
     /**
-     * @param ColorInterface $color
+     * @param string $color
      */
-    public function setColor(ColorInterface $color):void;
+    public function setColor(string $color):void;
     
     /**
      * @return int