diff --git a/lib/numbers_and_words/strategies/figures_converter/languages/pt_br.rb b/lib/numbers_and_words/strategies/figures_converter/languages/pt_br.rb
index 043cb10d..b8e8b7f8 100644
--- a/lib/numbers_and_words/strategies/figures_converter/languages/pt_br.rb
+++ b/lib/numbers_and_words/strategies/figures_converter/languages/pt_br.rb
@@ -81,7 +81,7 @@ def is_opaque?
           end
 
           def is_one_thousand?
-            @current_capacity == 1 && figures[0] == 1 && figures.hundreds.nil? && figures.tens.nil?
+            current_capacity == 1 && figures[0] == 1 && figures.hundreds.nil? && figures.tens.nil?
           end
 
           def is_without_connector?
diff --git a/lib/numbers_and_words/strategies/figures_converter/options/en/pronounced.rb b/lib/numbers_and_words/strategies/figures_converter/options/en/pronounced.rb
index 7eae54da..cbcfd834 100644
--- a/lib/numbers_and_words/strategies/figures_converter/options/en/pronounced.rb
+++ b/lib/numbers_and_words/strategies/figures_converter/options/en/pronounced.rb
@@ -35,7 +35,7 @@ def process language, figures
             end
 
             def handle_thousands language, figures
-              units, tens, hundreds, thousands = *figures.to_a.dup
+              _units, _tens, hundreds, thousands = *figures.to_a.dup
               if hundreds == 0
                 language.number_without_capacity_to_words + language.complex_number_to_words
               else
@@ -45,7 +45,7 @@ def handle_thousands language, figures
             end
 
             def handle_hundreds language, figures
-              units, tens, hundreds = *figures.to_a.dup
+              _units, _tens, hundreds = *figures.to_a.dup
               result = tens_with_oh language, figures
               result.push hundreds.to_words
             end