diff --git a/custom_theme/404.html b/custom_theme/404.html
deleted file mode 100644
index 34ad2cf..0000000
--- a/custom_theme/404.html
+++ /dev/null
@@ -1,11 +0,0 @@
-{% extends "base.html" %}
-
-{% block content %}
-
-    <div class="row-fluid">
-      <div id="main-content" class="span12">
-        <h1 id="404-page-not-found" style="text-align: center">404 - Страница не найдена</h1>
-      </div>
-    </div>
-
-{% endblock %}
\ No newline at end of file
diff --git a/dev.yml b/dev.yml
index f1a3cce..4c6acb4 100644
--- a/dev.yml
+++ b/dev.yml
@@ -41,8 +41,6 @@ theme:
     language: ru
     palette:
         primary: orange
-        
-    custom_dir: custom_theme/
 
 docs_dir: docs
 site_dir: site
diff --git a/mkdocs.yml b/mkdocs.yml
index 87ed80f..6203748 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -52,8 +52,6 @@ theme:
     language: ru
     palette:
         primary: orange
-        
-    custom_dir: custom_theme/
 
 docs_dir: docs
 site_dir: site
\ No newline at end of file