diff --git a/aiogram/bot/api.py b/aiogram/bot/api.py
index 747f42b1..7d9ecf51 100644
--- a/aiogram/bot/api.py
+++ b/aiogram/bot/api.py
@@ -70,9 +70,12 @@ class AbstractConnector(abc.ABC):
             - The content of the result is invalid JSON.
             - The method call was unsuccessful (The JSON 'ok' field equals False)
 
-        :raises ApiException: if one of the above listed cases is applicable
         :param method_name: The name of the method called
-        :return: The result parsed to a JSON dictionary.
+        :param status_code: status code
+        :param content_type: content type of result
+        :param body: result body
+        :return: The result parsed to a JSON dictionary
+        :raises ApiException: if one of the above listed cases is applicable
         """
         log.debug(f"Response for {method_name}: [{status_code}] {body}")
 
diff --git a/aiogram/contrib/middlewares/context.py b/aiogram/contrib/middlewares/context.py
deleted file mode 100644
index 29f45dcb..00000000
--- a/aiogram/contrib/middlewares/context.py
+++ /dev/null
@@ -1,114 +0,0 @@
-from aiogram import types
-from aiogram.dispatcher.middlewares import BaseMiddleware
-
-OBJ_KEY = '_context_data'
-
-
-class ContextMiddleware(BaseMiddleware):
-    """
-    Allow to store data at all of lifetime of Update object
-    """
-
-    async def on_pre_process_update(self, update: types.Update, data: dict):
-        """
-        Start of Update lifetime
-
-        :param update:
-        :return:
-        """
-        self._configure_update(update)
-
-    async def on_post_process_update(self, update: types.Update, result, data: dict):
-        """
-        On finishing of processing update
-
-        :param update:
-        :param result:
-        :return:
-        """
-        if OBJ_KEY in update.conf:
-            del update.conf[OBJ_KEY]
-
-    def _configure_update(self, update: types.Update = None):
-        """
-        Setup data storage
-
-        :param update:
-        :return:
-        """
-        obj = update.conf[OBJ_KEY] = {}
-        return obj
-
-    def _get_dict(self):
-        """
-        Get data from update stored in current context
-
-        :return:
-        """
-        update = types.Update.current()
-        obj = update.conf.get(OBJ_KEY, None)
-        if obj is None:
-            obj = self._configure_update(update)
-        return obj
-
-    def __getitem__(self, item):
-        """
-        Item getter
-
-        :param item:
-        :return:
-        """
-        return self._get_dict()[item]
-
-    def __setitem__(self, key, value):
-        """
-        Item setter
-
-        :param key:
-        :param value:
-        :return:
-        """
-        data = self._get_dict()
-        data[key] = value
-
-    def __iter__(self):
-        """
-        Iterate over dict
-
-        :return:
-        """
-        return self._get_dict().__iter__()
-
-    def keys(self):
-        """
-        Iterate over dict keys
-
-        :return:
-        """
-        return self._get_dict().keys()
-
-    def values(self):
-        """
-        Iterate over dict values
-
-        :return:
-        """
-        return self._get_dict().values()
-
-    def get(self, key, default=None):
-        """
-        Get item from dit or return default value
-
-        :param key:
-        :param default:
-        :return:
-        """
-        return self._get_dict().get(key, default)
-
-    def export(self):
-        """
-        Export all data s dict
-
-        :return:
-        """
-        return self._get_dict()
diff --git a/aiogram/contrib/middlewares/bot.py b/aiogram/contrib/middlewares/environment.py
similarity index 85%
rename from aiogram/contrib/middlewares/bot.py
rename to aiogram/contrib/middlewares/environment.py
index 106355cd..0427a739 100644
--- a/aiogram/contrib/middlewares/bot.py
+++ b/aiogram/contrib/middlewares/environment.py
@@ -1,9 +1,9 @@
 from aiogram.dispatcher.middlewares import BaseMiddleware
 
 
-class BotMiddleware(BaseMiddleware):
+class EnvironmentMiddleware(BaseMiddleware):
     def __init__(self, context=None):
-        super(BotMiddleware, self).__init__()
+        super(EnvironmentMiddleware, self).__init__()
 
         if context is None:
             context = {}