diff --git a/app/lib/ebook/epub_generator.rb b/app/lib/ebook/epub_generator.rb
index df76e3c..4546649 100644
--- a/app/lib/ebook/epub_generator.rb
+++ b/app/lib/ebook/epub_generator.rb
@@ -39,7 +39,7 @@ class Ebook::EpubGenerator
   end
 
   def generate_chapter(chapter)
-    StringIO.new render_template('chapter', OpenStruct.new( chapter: chapter, rendered: self.render_chapter(chapter)))
+    StringIO.new render_template('chapter', OpenStruct.new(chapter: chapter, rendered: EpubGenerator.render_chapter(chapter)))
   end
 
   def self.render_chapter(chapter)
@@ -53,7 +53,7 @@ class Ebook::EpubGenerator
       body = body[2..]
     end
 
-    self.markdown.render body.join("\n")
+    markdown.render body.join("\n")
   end
 
   def self.markdown
diff --git a/test.epub b/test.epub
deleted file mode 100644
index 57236bb..0000000
Binary files a/test.epub and /dev/null differ