diff --git a/novaclient/tests/unit/v2/test_shell.py b/novaclient/tests/unit/v2/test_shell.py
index 92257d612..342611e9f 100644
--- a/novaclient/tests/unit/v2/test_shell.py
+++ b/novaclient/tests/unit/v2/test_shell.py
@@ -845,14 +845,11 @@ class ShellTest(utils.TestCase):
         self.run_command('flavor-access-list --flavor 2')
         self.assert_called('GET', '/flavors/2/os-flavor-access')
 
-    # FIXME: flavor-access-list is not implemented yet
-    #    def test_flavor_access_list_tenant(self):
-    #        self.run_command('flavor-access-list --tenant proj2')
-    #        self.assert_called('GET', '/flavors/2/os-flavor-access')
-
     def test_flavor_access_list_bad_filter(self):
         cmd = 'flavor-access-list --flavor 2 --tenant proj2'
-        self.assertRaises(exceptions.CommandError, self.run_command, cmd)
+        _, err = self.run_command(cmd)
+        # assert the deprecation warning for using --tenant
+        self.assertIn('WARNING: Option "--tenant" is deprecated', err)
 
     def test_flavor_access_list_no_filter(self):
         cmd = 'flavor-access-list'
diff --git a/novaclient/v2/flavor_access.py b/novaclient/v2/flavor_access.py
index 73855ee97..ecb0cc57b 100644
--- a/novaclient/v2/flavor_access.py
+++ b/novaclient/v2/flavor_access.py
@@ -30,22 +30,15 @@ class FlavorAccessManager(base.ManagerWithFind):
     resource_class = FlavorAccess
 
     def list(self, **kwargs):
+        # NOTE(mriedem): This looks a bit weird, you would normally expect this
+        # method to just take a flavor arg, but it used to erroneously accept
+        # flavor or tenant, but never actually implemented support for listing
+        # flavor access by tenant. We leave the interface unchanged though for
+        # backward compatibility.
         if kwargs.get('flavor'):
-            return self._list_by_flavor(kwargs['flavor'])
-        elif kwargs.get('tenant'):
-            return self._list_by_tenant(kwargs['tenant'])
-        else:
-            raise NotImplementedError(_('Unknown list options.'))
-
-    def _list_by_flavor(self, flavor):
-        return self._list('/flavors/%s/os-flavor-access' % base.getid(flavor),
-                          'flavor_access')
-
-    def _list_by_tenant(self, tenant):
-        """Print flavor list shared with the given tenant."""
-        # TODO(uni): need to figure out a proper URI for list_by_tenant
-        # since current API already provided current tenant_id information
-        raise NotImplementedError(_('Sorry, query by tenant not supported.'))
+            return self._list('/flavors/%s/os-flavor-access' %
+                              base.getid(kwargs['flavor']), 'flavor_access')
+        raise NotImplementedError(_('Unknown list options.'))
 
     def add_tenant_access(self, flavor, tenant):
         """Add a tenant to the given flavor access list."""
diff --git a/novaclient/v2/shell.py b/novaclient/v2/shell.py
index 058c6a342..26cc3f662 100644
--- a/novaclient/v2/shell.py
+++ b/novaclient/v2/shell.py
@@ -878,20 +878,19 @@ def do_flavor_key(cs, args):
     help=_("Filter results by flavor name or ID."))
 @utils.arg(
     '--tenant', metavar='<tenant_id>',
-    help=_('Filter results by tenant ID.'))
+    help=_('Filter results by tenant ID.'),
+    action=shell.DeprecatedAction,
+    real_action='nothing',
+    use=_('this option is not supported, and will be '
+          'removed in version 5.0.0.'))
 def do_flavor_access_list(cs, args):
     """Print access information about the given flavor."""
-    if args.flavor and args.tenant:
-        raise exceptions.CommandError(_("Unable to filter results by "
-                                        "both --flavor and --tenant."))
-    elif args.flavor:
+    if args.flavor:
         flavor = _find_flavor(cs, args.flavor)
         if flavor.is_public:
             raise exceptions.CommandError(_("Access list not available "
                                             "for public flavors."))
         kwargs = {'flavor': flavor}
-    elif args.tenant:
-        kwargs = {'tenant': args.tenant}
     else:
         raise exceptions.CommandError(_("Unable to get all access lists. "
                                         "Specify --flavor"))