diff --git a/src/Model/ElementAccordion.php b/src/Model/ElementAccordion.php
index b01f644..9077767 100644
--- a/src/Model/ElementAccordion.php
+++ b/src/Model/ElementAccordion.php
@@ -19,8 +19,9 @@
  *
  * @method \SilverStripe\ORM\ManyManyList Accordion()
  */
-class ElementAccordion extends BaseElement
-{
+class ElementAccordion extends BaseElement {
+	
+	private static $cascade_duplicates = false;	
 	
     /**
      * @var string
@@ -175,8 +176,4 @@ public function getType()
         return _t(__CLASS__.'.BlockType', 'Accordion');
     }
 
-	public function duplicate($doWrite = true, $relations = null) {
-		$object = parent::duplicate($doWrite, false);
-		return $object;
-	} 
 }
diff --git a/src/Model/ElementCarousel.php b/src/Model/ElementCarousel.php
index f48a71e..336519e 100644
--- a/src/Model/ElementCarousel.php
+++ b/src/Model/ElementCarousel.php
@@ -19,8 +19,9 @@
  *
  * @method \SilverStripe\ORM\ManyManyList Persons()
  */
-class ElementCarousel extends BaseElement
-{
+class ElementCarousel extends BaseElement {
+	
+	private static $cascade_duplicates = false;	
 	
     /**
      * @var string
@@ -175,8 +176,4 @@ public function getType()
         return _t(__CLASS__.'.BlockType', 'Carousel');
     }
 
-	public function duplicate($doWrite = true, $relations = null) {
-		$object = parent::duplicate($doWrite, false);
-		return $object;
-	} 
 }
diff --git a/src/Model/ElementGallery.php b/src/Model/ElementGallery.php
index 612f25f..ededc96 100644
--- a/src/Model/ElementGallery.php
+++ b/src/Model/ElementGallery.php
@@ -24,10 +24,9 @@
  *
  * does not need ShowTitle
  */
-class ElementGallery extends BaseElement
-{
-	
+class ElementGallery extends BaseElement {
 	
+	private static $cascade_duplicates = false;	
     /**
      * @var string
      */
@@ -174,8 +173,4 @@ public function getType()
         return _t(__CLASS__.'.BlockType', 'Media Gallery');
     }
 	
-	public function duplicate($doWrite = true, $relations = null) {
-		$object = parent::duplicate($doWrite, false);
-		return $object;
-	} 
 }
diff --git a/src/Model/ElementImageGallery.php b/src/Model/ElementImageGallery.php
index b33de6b..f6184c9 100644
--- a/src/Model/ElementImageGallery.php
+++ b/src/Model/ElementImageGallery.php
@@ -20,9 +20,9 @@
  *
  * does not need ShowTitle
  */
-class ElementImageGallery extends BaseElement
-{
+class ElementImageGallery extends BaseElement {
 	
+	private static $cascade_duplicates = false;	
 	
     /**
      * @var string
@@ -167,8 +167,5 @@ public function getType()
         return _t(__CLASS__.'.BlockType', 'Image Gallery');
     }
 
-	public function duplicate($doWrite = true, $relations = null) {
-		$object = parent::duplicate($doWrite, false);
-		return $object;
-	} 
+
 }
diff --git a/src/Model/ElementLinks.php b/src/Model/ElementLinks.php
index 4d28ccb..1c9af48 100644
--- a/src/Model/ElementLinks.php
+++ b/src/Model/ElementLinks.php
@@ -24,8 +24,9 @@
  *
  * does not need ShowTitle
  */
-class ElementLinks extends BaseElement
-{
+class ElementLinks extends BaseElement {
+	
+	private static $cascade_duplicates = false;	
 	
 	
     /**
@@ -174,8 +175,5 @@ public function getType()
         return _t(__CLASS__.'.BlockType', 'Links');
     }
 
-	public function duplicate($doWrite = true, $relations = null) {
-		$object = parent::duplicate($doWrite, false);
-		return $object;
-	} 
+
 }
diff --git a/src/Model/ElementPersons.php b/src/Model/ElementPersons.php
index 17445f3..dc7d844 100644
--- a/src/Model/ElementPersons.php
+++ b/src/Model/ElementPersons.php
@@ -19,8 +19,9 @@
  *
  * @method \SilverStripe\ORM\ManyManyList Persons()
  */
-class ElementPersons extends BaseElement
-{
+class ElementPersons extends BaseElement {
+	
+	private static $cascade_duplicates = false;	
 	
     /**
      * @var string
@@ -175,8 +176,5 @@ public function getType()
         return _t(__CLASS__.'.BlockType', 'Persons');
     }
 
-	public function duplicate($doWrite = true, $relations = null) {
-		$object = parent::duplicate($doWrite, false);
-		return $object;
-	} 
+
 }
diff --git a/src/Model/ElementPopups.php b/src/Model/ElementPopups.php
index 1191c6e..87d3dee 100644
--- a/src/Model/ElementPopups.php
+++ b/src/Model/ElementPopups.php
@@ -22,8 +22,10 @@
  *
  * @method \SilverStripe\ORM\ManyManyList Popups()
  */
-class ElementPopups extends BaseElement
-{
+class ElementPopups extends BaseElement {
+	
+	private static $cascade_duplicates = false;	
+	
     /**
      * @var string
      */
@@ -181,8 +183,5 @@ public function getType()
         return _t(__CLASS__.'.BlockType', 'Popups');
     }
 
-	public function duplicate($doWrite = true, $relations = null) {
-		$object = parent::duplicate($doWrite, false);
-		return $object;
-	} 
+
 }
diff --git a/src/Model/ElementPromos.php b/src/Model/ElementPromos.php
index d25d638..23928a1 100644
--- a/src/Model/ElementPromos.php
+++ b/src/Model/ElementPromos.php
@@ -22,8 +22,9 @@
  *
  * @method \SilverStripe\ORM\ManyManyList Promos()
  */
-class ElementPromos extends BaseElement
-{
+class ElementPromos extends BaseElement {
+	
+	private static $cascade_duplicates = false;	
     /**
      * @var string
      */
@@ -181,8 +182,5 @@ public function getType()
         return _t(__CLASS__.'.BlockType', 'Promos');
     }
 	
-	public function duplicate($doWrite = true, $relations = null) {
-		$object = parent::duplicate($doWrite, false);
-		return $object;
-	} 
+
 }
diff --git a/src/Model/ElementSlides.php b/src/Model/ElementSlides.php
index 8f95d2d..45e542f 100644
--- a/src/Model/ElementSlides.php
+++ b/src/Model/ElementSlides.php
@@ -25,8 +25,9 @@
  *
  * does not need ShowTitle
  */
-class ElementSlides extends BaseElement
-{
+class ElementSlides extends BaseElement {
+	
+	private static $cascade_duplicates = false;	
 	
 	
     /**
@@ -189,8 +190,5 @@ public function getType()
         return _t(__CLASS__.'.BlockType', 'Slides');
     }
 
-	public function duplicate($doWrite = true, $relations = null) {
-		$object = parent::duplicate($doWrite, false);
-		return $object;
-	} 
+
 }
diff --git a/src/Model/ElementSponsors.php b/src/Model/ElementSponsors.php
index 3b544e0..d705db8 100644
--- a/src/Model/ElementSponsors.php
+++ b/src/Model/ElementSponsors.php
@@ -19,8 +19,9 @@
  *
  * @method \SilverStripe\ORM\ManyManyList Persons()
  */
-class ElementSponsors extends BaseElement
-{
+class ElementSponsors extends BaseElement {
+	
+	private static $cascade_duplicates = false;	
 	
     /**
      * @var string
@@ -180,8 +181,5 @@ public function isCarousel() {
 		return  ($this->Style == 'carousel');
 	}
 
-	public function duplicate($doWrite = true, $relations = null) {
-		$object = parent::duplicate($doWrite, false);
-		return $object;
-	} 
+
 }