--- a/cubicweb/server/hook.py	Thu Mar 14 14:45:35 2019 +0100
+++ b/cubicweb/server/hook.py	Thu Mar 14 12:08:37 2019 +0100
@@ -251,7 +251,6 @@
 from itertools import chain
 
 from logilab.common.decorators import classproperty, cached
-from logilab.common.deprecation import deprecated, class_renamed
 from logilab.common.logging_ext import set_log_methods
 from logilab.common.registry import (NotPredicate, OrPredicate,
                                      objectify_predicate)
@@ -428,10 +427,6 @@
 def issued_from_user_query(cls, req, **kwargs):
     return 0 if req.hooks_in_progress else 1
 
-from_dbapi_query = class_renamed('from_dbapi_query',
-                                 issued_from_user_query,
-                                 message='[3.21] ')
-
 
 class rechain(object):
     def __init__(self, *iterators):
@@ -738,11 +733,6 @@
         self.processed = None # 'precommit', 'commit'
         self.failed = False
 
-    @property
-    @deprecated('[3.19] Operation.session is deprecated, use Operation.cnx instead')
-    def session(self):
-        return self.cnx
-
     def register(self, cnx):
         cnx.add_operation(self, self.insert_index())