diff --git a/lib/rails-html-sanitizer.rb b/lib/rails-html-sanitizer.rb
index 0c48f7f..f6ef677 100644
--- a/lib/rails-html-sanitizer.rb
+++ b/lib/rails-html-sanitizer.rb
@@ -34,27 +34,6 @@ def sanitized_allowed_tags=(tags)
         def sanitized_allowed_attributes=(attributes)
           sanitizer_vendor.safe_list_sanitizer.allowed_attributes = attributes
         end
-
-        [:protocol_separator,
-         :uri_attributes,
-         :bad_tags,
-         :allowed_css_properties,
-         :allowed_css_keywords,
-         :shorthand_css_properties,
-         :allowed_protocols].each do |meth|
-          meth_name = "sanitized_#{meth}"
-
-          define_method(meth_name) { deprecate_option(meth_name) }
-          define_method("#{meth_name}=") { |_| deprecate_option("#{meth_name}=") }
-        end
-
-        private
-          def deprecate_option(name)
-            ActiveSupport::Deprecation.warn "The #{name} option is deprecated " \
-              "and has no effect. Until Rails 5 the old behavior can still be " \
-              "installed. To do this add the `rails-deprecated-sanitizer` to " \
-              "your Gemfile. Consult the Rails 4.2 upgrade guide for more information."
-          end
       end
     end
   end