1 files changed, 0 insertions, 62 deletions
diff --git a/django/contrib/staticfiles/storage.py b/django/contrib/staticfiles/storage.py
index 69af9ca297..ba3b62620d 100644
--- a/django/contrib/staticfiles/storage.py
+++ b/django/contrib/staticfiles/storage.py
@@ -3,18 +3,13 @@ import json
 import os
 import posixpath
 import re
-import warnings
 from urllib.parse import unquote, urldefrag, urlsplit, urlunsplit
 
 from django.conf import settings
 from django.contrib.staticfiles.utils import check_settings, matches_patterns
-from django.core.cache import (
-    InvalidCacheBackendError, cache as default_cache, caches,
-)
 from django.core.exceptions import ImproperlyConfigured
 from django.core.files.base import ContentFile
 from django.core.files.storage import FileSystemStorage, get_storage_class
-from django.utils.deprecation import RemovedInDjango31Warning
 from django.utils.functional import LazyObject
 
 
@@ -430,63 +425,6 @@ class ManifestFilesMixin(HashedFilesMixin):
         return urlunsplit(unparsed_name)
 
 
-class _MappingCache:
-    """
-    A small dict-like wrapper for a given cache backend instance.
-    """
-    def __init__(self, cache):
-        self.cache = cache
-
-    def __setitem__(self, key, value):
-        self.cache.set(key, value)
-
-    def __getitem__(self, key):
-        value = self.cache.get(key)
-        if value is None:
-            raise KeyError("Couldn't find a file name '%s'" % key)
-        return value
-
-    def clear(self):
-        self.cache.clear()
-
-    def update(self, data):
-        self.cache.set_many(data)
-
-    def get(self, key, default=None):
-        try:
-            return self[key]
-        except KeyError:
-            return default
-
-
-class CachedFilesMixin(HashedFilesMixin):
-    def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs)
-        try:
-            self.hashed_files = _MappingCache(caches['staticfiles'])
-        except InvalidCacheBackendError:
-            # Use the default backend
-            self.hashed_files = _MappingCache(default_cache)
-
-    def hash_key(self, name):
-        key = hashlib.md5(self.clean_name(name).encode()).hexdigest()
-        return 'staticfiles:%s' % key
-
-
-class CachedStaticFilesStorage(CachedFilesMixin, StaticFilesStorage):
-    """
-    A static file system storage backend which also saves
-    hashed copies of the files it saves.
-    """
-    def __init__(self, *args, **kwargs):
-        warnings.warn(
-            'CachedStaticFilesStorage is deprecated in favor of '
-            'ManifestStaticFilesStorage.',
-            RemovedInDjango31Warning, stacklevel=2,
-        )
-        super().__init__(*args, **kwargs)
-
-
 class ManifestStaticFilesStorage(ManifestFilesMixin, StaticFilesStorage):
     """
     A static file system storage backend which also saves