Obsolete deprecated settings

Obsolete REDIRECT_MAX_METAREFRESH_DELAY
  which has been deprecated since Scrapy 0.18

Obsolete LOG_UNSERIALIZABLE_REQUESTS
  which has been deprecated since Scrapy 1.2.0
  and is replaced by SCHEDULER_DEBUG

scrapy/core/scheduler.py

@@ -66,8 +66,7 @@ class Scheduler(object):
 
         dqclass = load_object(settings['SCHEDULER_DISK_QUEUE'])
         mqclass = load_object(settings['SCHEDULER_MEMORY_QUEUE'])
-        logunser = settings.getbool('LOG_UNSERIALIZABLE_REQUESTS',
-                                    settings.getbool('SCHEDULER_DEBUG'))
+        logunser = settings.getbool('SCHEDULER_DEBUG')
         return cls(dupefilter, jobdir=job_dir(settings), logunser=logunser,
                    stats=crawler.stats, pqclass=pqclass, dqclass=dqclass,
                    mqclass=mqclass, crawler=crawler)

scrapy/downloadermiddlewares/redirect.py

@@ -93,8 +93,7 @@ class MetaRefreshMiddleware(BaseRedirectMiddleware):
     def __init__(self, settings):
         super(MetaRefreshMiddleware, self).__init__(settings)
         self._ignore_tags = settings.getlist('METAREFRESH_IGNORE_TAGS')
-        self._maxdelay = settings.getint('REDIRECT_MAX_METAREFRESH_DELAY',
-                                         settings.getint('METAREFRESH_MAXDELAY'))
+        self._maxdelay = settings.getint('METAREFRESH_MAXDELAY')
 
     def process_response(self, request, response, spider):
         if request.meta.get('dont_redirect', False) or request.method == 'HEAD' or \

scrapy/settings/deprecated.py

@@ -11,8 +11,6 @@ DEPRECATED_SETTINGS = [
     ('SQLITE_DB', 'no longer supported'),
     ('AUTOTHROTTLE_MIN_DOWNLOAD_DELAY', 'use DOWNLOAD_DELAY instead'),
     ('AUTOTHROTTLE_MAX_CONCURRENCY', 'use CONCURRENT_REQUESTS_PER_DOMAIN instead'),
-    ('REDIRECT_MAX_METAREFRESH_DELAY', 'use METAREFRESH_MAXDELAY instead'),
-    ('LOG_UNSERIALIZABLE_REQUESTS', 'use SCHEDULER_DEBUG instead'),
 ]
 
 

tests/test_scheduler.py

@@ -46,7 +46,7 @@ class MockCrawler(Crawler):
     def __init__(self, priority_queue_cls, jobdir):
 
         settings = dict(
-                LOG_UNSERIALIZABLE_REQUESTS=False,
+                SCHEDULER_DEBUG=False,
                 SCHEDULER_DISK_QUEUE='scrapy.squeues.PickleLifoDiskQueue',
                 SCHEDULER_MEMORY_QUEUE='scrapy.squeues.LifoMemoryQueue',
                 SCHEDULER_PRIORITY_QUEUE=priority_queue_cls,