diff --git a/management/univention-directory-manager-modules/modules/univention/admin/handlers/__init__.py b/management/univention-directory-manager-modules/modules/univention/admin/handlers/__init__.py
index 0e2f308..6c4a1c3 100644
--- a/management/univention-directory-manager-modules/modules/univention/admin/handlers/__init__.py
+++ b/management/univention-directory-manager-modules/modules/univention/admin/handlers/__init__.py
@@ -1149,9 +1149,6 @@ def open( self ):
 		self.ip_alredy_requested = 0
 		self.ip_freshly_set = False
 
-		self.open_warning = None
-		open_warnings = [ ]
-
 		self.__multiip = False
 		if len ( self[ 'mac' ] ) > 1 or len( self[ 'ip' ] ) > 1:
 			self.__multiip = True
@@ -1279,11 +1276,6 @@ def open( self ):
 			result=self.lo.search(base=self.lo.base, filter=filter_format('(&(objectclass=univentionGroup)(uniqueMember=%s))', [self.dn]), attr=['dn'])
 			self['groups'] = [(x[0]) for x in result]
 
-		if len( open_warnings ) > 0:
-			self.open_warning = ''
-			for warn in open_warnings:
-				self.open_warning += '\n'+warn
-
 		if 'name' in self.info and 'domain' in self.info:
 			self.info[ 'fqdn' ] = '%s.%s' % ( self[ 'name' ], self[ 'domain' ] )
 
diff --git a/management/univention-directory-manager-modules/modules/univention/admincli/admin.py b/management/univention-directory-manager-modules/modules/univention/admincli/admin.py
index 7adfc49..491d7c3 100755
--- a/management/univention-directory-manager-modules/modules/univention/admincli/admin.py
+++ b/management/univention-directory-manager-modules/modules/univention/admincli/admin.py
@@ -718,8 +718,6 @@ def _doit(arglist):
 				object.options=parsed_options
 
 			object.open()
-			if hasattr(object,'	open_warning') and object.open_warning:
-				out.append('WAR	NING:%s'%object.open_warning)
 			exists=0
 			try:
 				out.extend(object_input(module, object, input, append=append))
@@ -840,8 +838,6 @@ def _doit(arglist):
 			return out + ["OPERATION FAILED"]
 
 		object.open()
-		if hasattr(object,'open_warning') and object.open_warning:
-			out.append('WARNING:%s'%object.open_warning)
 
 		if action == 'move':
 			if hasattr(module,'operations') and module.operations:
@@ -961,8 +957,6 @@ def _doit(arglist):
 			return out + ["OPERATION FAILED"]
 
 		object.open()
-		if hasattr(object,'open_warning') and object.open_warning:
-			out.append('WARNING:%s'%object.open_warning)
 
 		if remove_referring and univention.admin.objects.wantsCleanup(object):
 				univention.admin.objects.performCleanup(object)
@@ -997,8 +991,6 @@ def _doit(arglist):
 
 				if (hasattr(module,'virtual') and not module.virtual) or not hasattr(module,'virtual'):
 					object.open()
-					if hasattr(object,'open_warning') and object.open_warning:
-						out.append('WARNING: %s'%object.open_warning)
 					for key, value in object.items():
 						if key == 'sambaLogonHours':
 							# returns a list, which breaks things here