diff --git a/lib/faker/default/number.rb b/lib/faker/default/number.rb
index 6c45c856b3..6b78e16e05 100644
--- a/lib/faker/default/number.rb
+++ b/lib/faker/default/number.rb
@@ -3,6 +3,8 @@
 module Faker
   class Number < Base
     class << self
+      extend Gem::Deprecate
+
       def number(digits = 10)
         num = ''
 
@@ -92,6 +94,9 @@ def should_be(number, method_to_compare)
           number * -1
         end
       end
+
+      deprecate :decimal_part, nil, 2019, 06
+      deprecate :leading_zero_number, nil, 2019, 06
     end
   end
 end