diff --git a/app/models/fluentd.rb b/app/models/fluentd.rb
index 8847c7f..872803f 100644
--- a/app/models/fluentd.rb
+++ b/app/models/fluentd.rb
@@ -165,6 +165,5 @@ class Fluentd
 
   def destroy
     File.unlink(JSON_PATH)
-    File.unlink(Plugin.gemfile_path)
   end
 end