diff --git a/boards/abstracts/paginator.py b/boards/abstracts/paginator.py
--- a/boards/abstracts/paginator.py
+++ b/boards/abstracts/paginator.py
@@ -1,3 +1,5 @@
+from boards.abstracts.constants import PARAM_PAGE
+
 __author__ = 'neko259'
 
 from django.core.paginator import Paginator
@@ -72,10 +74,10 @@ class DividedPaginator(Paginator):
         self.params = params
 
     def get_page_url(self, page):
-        self.params['page'] = page
-        url_params = '?' + '&'.join(['{}={}'.format(key, self.params[key])
-                                     for key in self.params.keys()])
-        return self.link + url_params
+        self.params[PARAM_PAGE] = page
+        url_params = '&'.join(['{}={}'.format(key, self.params[key])
+                               for key in self.params.keys()])
+        return '{}?{}'.format(self.link, url_params)
 
     def supports_urls(self):
         return self.link is not None and self.params is not None
@@ -88,4 +90,4 @@ class DividedPaginator(Paginator):
     def get_prev_page_url(self):
         current = self.page(self.current_page)
         if current.has_previous():
-            return self.get_page_url(current.previous_page_number())
\ No newline at end of file
+            return self.get_page_url(current.previous_page_number())
diff --git a/boards/views/all_threads.py b/boards/views/all_threads.py
--- a/boards/views/all_threads.py
+++ b/boards/views/all_threads.py
@@ -1,6 +1,6 @@
 from django.core.paginator import EmptyPage
 from django.http import Http404
-from django.shortcuts import render, redirect
+from django.shortcuts import render
 from django.urls import reverse
 from django.utils.decorators import method_decorator
 from django.views.decorators.csrf import csrf_protect
@@ -12,10 +12,10 @@ from boards.abstracts.settingsmanager im
     SETTING_ONLY_FAVORITES
 from boards.forms import ThreadForm, PlainErrorList
 from boards.models import Post, Thread
+from boards.settings import SECTION_VIEW
 from boards.views.base import BaseBoardView, CONTEXT_FORM
-from boards.views.mixins import FileUploadMixin, PaginatedMixin, \
+from boards.views.mixins import PaginatedMixin, \
     DispatcherMixin, PARAMETER_METHOD
-from boards.settings import SECTION_VIEW, SECTION_FORMS
 
 ORDER_BUMP = 'bump'
 
diff --git a/boards/views/mixins.py b/boards/views/mixins.py
--- a/boards/views/mixins.py
+++ b/boards/views/mixins.py
@@ -1,6 +1,3 @@
-import boards
-from boards.settings import SECTION_FORMS
-
 PARAM_NEXT = 'next'
 PARAMETER_METHOD = 'method'
 
@@ -35,12 +32,6 @@ class DispatcherMixin:
             return getattr(self, method_name)(*args, **kwargs)
 
 
-# TODO Check if it is still used anywhere and safely remove
-class FileUploadMixin:
-    def get_max_upload_size(self):
-        return boards.settings.get_int(SECTION_FORMS, 'MaxFileSize')
-
-
 class PaginatedMixin:
     def get_page_context(self, paginator, page):
         """
diff --git a/boards/views/thread/normal.py b/boards/views/thread/normal.py
--- a/boards/views/thread/normal.py
+++ b/boards/views/thread/normal.py
@@ -1,7 +1,4 @@
-from boards import settings
-from boards.settings import SECTION_FORMS
 from boards.views.thread import ThreadView
-from boards.views.mixins import FileUploadMixin
 
 TEMPLATE_NORMAL = 'boards/thread_normal.html'