diff --git a/.rubocop.yml b/.rubocop.yml
index 21b66a6..51a923a 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -111,3 +111,12 @@ Security/MarshalLoad:
 
 Performance/RedundantMatch:
   Enabled: false
+
+# Must be removed in future
+
+Lint/DuplicateMethods:
+  Enabled: false
+
+Naming/HeredocDelimiterNaming:
+  Enabled: false
+
diff --git a/lib/daru/view/adapters/highcharts/layout_helper_iruby.rb b/lib/daru/view/adapters/highcharts/layout_helper_iruby.rb
index 6e169eb..c8cfbc8 100644
--- a/lib/daru/view/adapters/highcharts/layout_helper_iruby.rb
+++ b/lib/daru/view/adapters/highcharts/layout_helper_iruby.rb
@@ -1,5 +1,3 @@
-# coding: utf-8
-
 module LazyHighCharts
   module LayoutHelper
     def high_chart_iruby(placeholder, object, &block)