diff --git a/app/models/concerns/fluentd/setting/plugin_config.rb b/app/models/concerns/fluentd/setting/plugin_config.rb
index 78e07df..6207045 100644
--- a/app/models/concerns/fluentd/setting/plugin_config.rb
+++ b/app/models/concerns/fluentd/setting/plugin_config.rb
@@ -56,7 +56,9 @@ class Fluentd
           next if section_params.blank?
           section_params.each do |index, _section_params|
             sub_attrs, sub_elements = parse_attributes(_section_params)
-            elements << config_element(key, "", sub_attrs, sub_elements)
+            if sub_attrs.present? || sub_elements.present? # skip empty section
+              elements << config_element(key, "", sub_attrs, sub_elements)
+            end
           end
         end
         return params.to_h.reject{|key, value| skip?(key.to_sym, value) }, elements