diff -r 03678acbfda3 -r 49b75287c30b server/src/app/Libraries/Mappers/CocoonContentRdfMapper.php
--- a/server/src/app/Libraries/Mappers/CocoonContentRdfMapper.php	Sat Mar 26 00:24:34 2016 +0100
+++ b/server/src/app/Libraries/Mappers/CocoonContentRdfMapper.php	Fri Apr 08 17:50:49 2016 +0200
@@ -81,15 +81,6 @@
         $providedCHOResource->add('http://purl.org/dc/terms/references', $value);
     }
 
-    protected function propertyCollectionMap($providedCHOResource, $prop, $value) {
-        // if this is a collection, we use the edm:isGatheredInto property
-        if(CocoonUtils::isResourceCollection($value)) {
-            $providedCHOResource->add('http://www.europeana.eu/schemas/edm/isGatheredInto', $value);
-        } else {
-            $providedCHOResource->add($prop, $value);
-        }
-    }
-
     /**
      * Build the provided CHO.
      */