diff --git a/lib/haml/filters.rb b/lib/haml/filters.rb
index 6adf99b0..cccc95b6 100644
--- a/lib/haml/filters.rb
+++ b/lib/haml/filters.rb
@@ -120,7 +120,7 @@ module Haml
       # @param text [String] The source text for the filter to process
       # @return [String] The filtered result
       # @raise [Haml::Error] if it's not overridden
-      def render(text)
+      def render(_text)
         raise Error.new("#{self.inspect}#render not defined!")
       end
 
@@ -131,7 +131,7 @@ module Haml
       # @param text [String] The source text for the filter to process
       # @return [String] The filtered result
       # @raise [Haml::Error] if it or \{#render} isn't overridden
-      def render_with_options(text, options)
+      def render_with_options(text, _options)
         render(text)
       end
 
diff --git a/test/template_test_helper.rb b/test/template_test_helper.rb
index 6ad6d470..7c8f22ae 100644
--- a/test/template_test_helper.rb
+++ b/test/template_test_helper.rb
@@ -11,7 +11,7 @@ module Haml::Helpers
 end
 
 class Egocentic
-  def method_missing(*args)
+  def method_missing(*)
     self
   end
 end