diff --git a/configure.zcml b/configure.zcml
index 3905b51..3f9f9b2 100644
--- a/configure.zcml
+++ b/configure.zcml
@@ -300,15 +300,6 @@
              set_schema="loops.interfaces.IExternalFile" />
   </class>
 
-  <adapter factory="loops.resource.AddressableExternalFileAdapter" trusted="True"
-           provides="loops.interfaces.IAddressableExternalFile" />
-  <class class="loops.resource.AddressableExternalFileAdapter">
-    <require permission="zope.View"
-             interface="loops.interfaces.IAddressableExternalFile" />
-    <require permission="zope.ManageContent"
-             set_schema="loops.interfaces.IAddressableExternalFile" />
-  </class>
-
   <adapter factory="loops.resource.TextDocumentAdapter" trusted="True"
            provides="loops.interfaces.ITextDocument" />
   <class class="loops.resource.TextDocumentAdapter">
@@ -362,8 +353,6 @@
   <adapter factory="loops.schema.factory.ResourceSchemaFactory"
            for="loops.interfaces.IResource" />
   <adapter factory="loops.schema.factory.FileSchemaFactory" />
-  <adapter factory="loops.schema.factory.AddressableFileSchemaFactory"
-           for="loops.interfaces.IAddressableExternalFile" />
   <adapter factory="loops.schema.factory.NoteSchemaFactory" />
 
   <adapter factory="loops.setup.SetupManager" />
diff --git a/interfaces.py b/interfaces.py
index aa37006..0760ab5 100644
--- a/interfaces.py
+++ b/interfaces.py
@@ -772,22 +772,6 @@ class IExternalFile(IFile):
                required=False)
 
 
-class IAddressableExternalFile(IExternalFile):
-    """ A file whose content (data attribute) is not stored in the ZODB
-        but somewhere else, typically in the file system; the data won't
-        be provided by uploading a file but by explicitly specifying
-        the address of the file.
-    """
-
-    externalAddress = schema.BytesLine(
-               title=_(u'External Address'),
-               description=_(u'The full address for accessing the object '
-                       'on the external storage, e.g. a filename or path.'),
-               default='',
-               missing_value='',
-               required=False)
-
-
 class IImage(IResourceAdapter):
     """ A media asset that may be embedded in a (web) page as an image.
     """
diff --git a/resource.py b/resource.py
index 86bbb74..f94bb66 100644
--- a/resource.py
+++ b/resource.py
@@ -54,7 +54,7 @@ from loops.base import ParentInfo
 from loops.common import ResourceAdapterBase, adapted
 from loops.concept import ResourceRelation
 from loops.interfaces import IBaseResource, IResource
-from loops.interfaces import IFile, IExternalFile, IAddressableExternalFile, INote
+from loops.interfaces import IFile, IExternalFile, INote
 from loops.interfaces import IDocument, ITextDocument, IDocumentSchema, IDocumentView
 from loops.interfaces import IMediaAsset, IMediaAssetView
 from loops.interfaces import IResourceManager, IResourceManagerContained
@@ -408,19 +408,6 @@ class ExternalFileAdapter(FileAdapter):
         return storage.getSize(self.externalAddress, params=self.storageParams)
 
 
-class AddressableExternalFileAdapter(ExternalFileAdapter):
-
-    implements(IAddressableExternalFile)
-
-    def setExternalAddress(self, addr):
-        super(AddressableExternalFileAdapter, self).setExternalAddress(addr)
-        contentType = guess_content_type(self.externalAddress, self.data[:100])
-        if contentType:
-            self.contentType = contentType[0]
-    externalAddress = property(ExternalFileAdapter.getExternalAddress,
-                               setExternalAddress)
-
-
 class DocumentAdapter(ResourceAdapterBase):
     """ Common base class for all resource types with a text-like
         data attribute.
diff --git a/schema/factory.py b/schema/factory.py
index c4b28ab..56c4aaf 100644
--- a/schema/factory.py
+++ b/schema/factory.py
@@ -26,7 +26,7 @@ from zope.component import adapts
 
 from cybertools.composer.schema.factory import SchemaFactory
 from loops.common import adapted
-from loops.interfaces import IResourceAdapter, IFile, INote, IAddressableExternalFile
+from loops.interfaces import IResourceAdapter, IFile, INote
 from cybertools.meta.interfaces import IOptions
 from cybertools.typology.interfaces import IType
 
@@ -59,21 +59,6 @@ class FileSchemaFactory(SchemaFactory):
         for f in hide:
             if f in schema.fields:
                 schema.fields.remove(f)
-        #if 'request' in kw:
-        #    principal = kw['request'].principal
-        #    if not principal or principal.id != 'rootadmin':
-        #        schema.fields.remove('contentType')
-        return schema
-
-
-class AddressableFileSchemaFactory(SchemaFactory):
-
-    adapts(IAddressableExternalFile)
-
-    def __call__(self, interface, **kw):
-        schema = super(AddressableFileSchemaFactory, self).__call__(interface, **kw)
-        schema.fields.remove('data')
-        #schema.fields.remove('contentType')
         return schema
 
 
diff --git a/type.py b/type.py
index f83c492..4e5f783 100644
--- a/type.py
+++ b/type.py
@@ -34,8 +34,7 @@ from cybertools.typology.type import BaseType, TypeManager
 from cybertools.typology.interfaces import ITypeManager
 from loops.interfaces import ILoopsObject, IConcept, IResource
 from loops.interfaces import ITypeConcept
-from loops.interfaces import IResourceAdapter, IFile, IExternalFile, \
-                                IAddressableExternalFile, IImage
+from loops.interfaces import IResourceAdapter, IFile, IExternalFile, IImage
 from loops.interfaces import ITextDocument, INote
 from loops.concept import Concept
 from loops.resource import Resource, Document, MediaAsset
@@ -273,8 +272,7 @@ class TypeInterfaceSourceList(object):
 
     implements(schema.interfaces.IIterableSource)
 
-    typeInterfaces = (ITypeConcept, IFile, IExternalFile, IAddressableExternalFile,
-                      ITextDocument, INote)
+    typeInterfaces = (ITypeConcept, IFile, IExternalFile, ITextDocument, INote)
 
     def __init__(self, context):
         self.context = context