diff --git a/src/caosadvancedtools/cfood.py b/src/caosadvancedtools/cfood.py
index 324a6769b5ca1ec9b2d67f69c663367a6dddc434..a6e442941a4d5c91367f866f56ec5d0ffa166ae6 100644
--- a/src/caosadvancedtools/cfood.py
+++ b/src/caosadvancedtools/cfood.py
@@ -78,7 +78,6 @@ class AbstractCFood(object):
         self.to_be_updated = db.Container()
         self.identifiables = db.Container()
         self.verbose = verbose
-        self.attached_ones = []
 
     @staticmethod
     def get_re():
@@ -128,19 +127,8 @@ class AbstractCFood(object):
         if len(self.to_be_updated) == 0:
             return
         get_ids_for_entities_with_names(self.to_be_updated)
-        print(self.to_be_updated)
         self.to_be_updated.update()
 
-    def attach(self, crawled_file):
-        self.attached_ones.append(crawled_file)
-
-    def looking_for(self, crawled_file):
-        """
-        should set the instance variable Container with the identifiables
-        """
-
-        return False
-
     @staticmethod
     # move to api?
     def set_parents(entity, names):
@@ -191,9 +179,6 @@ def assure_object_is_in_list(obj, containing_object, property_name,
         containing_object.add_property(property_name, value=[],
                                        datatype=db.LIST(property_name))
     current_list = containing_object.get_property(property_name).value
-
-    if not isinstance(current_list, list):
-        current_list = [current_list]
     contained = False
 
     for el in current_list:
diff --git a/src/caosadvancedtools/crawler.py b/src/caosadvancedtools/crawler.py
index 2cc85ec7b724a92e50af12758f08c954c0998388..74c13732a0e266e29a7e6b1b3747833af7844f59 100644
--- a/src/caosadvancedtools/crawler.py
+++ b/src/caosadvancedtools/crawler.py
@@ -106,11 +106,6 @@ class Crawler(object):
             if self.verbose and matches > 1:
                 print("Attention: More than one matching cfood!")
 
-        for crawled_file in sorted(files, key=lambda x: x.path):
-            for cfood in cfoods:
-                if cfood.looking_for(crawled_file):
-                    cfood.attach(crawled_file)
-
         for cfood in cfoods:
             try:
                 cfood.create_identifiables()