diff --git a/personal_book.gemspec b/personal_book.gemspec
index 4d02244..9ddc362 100644
--- a/personal_book.gemspec
+++ b/personal_book.gemspec
@@ -15,7 +15,6 @@ all_template.each do |folder|
         end
     end
 end
-system  ('rm -r '+app_path + '/modules/')
 # Describe your gem and declare its dependencies:
 Gem::Specification.new do |s|
   s.name        = "personal_book"