diff --git a/activerecord/lib/active_record/sanitization.rb b/activerecord/lib/active_record/sanitization.rb
index c2567311bd6d358abffc85ba23600464f3aefa8d..ba75ffa5a12407dd71754c3cd320cf3d3eb7c045 100644
--- a/activerecord/lib/active_record/sanitization.rb
+++ b/activerecord/lib/active_record/sanitization.rb
@@ -119,9 +119,9 @@ def replace_bind_variable(value, c = connection) #:nodoc:
       end
 
       def replace_named_bind_variables(statement, bind_vars) #:nodoc:
-        statement.gsub(/(:?):([a-zA-Z]\w*)/) do
+        statement.gsub(/(:?):([a-zA-Z]\w*)/) do |match|
           if $1 == ':' # skip postgresql casts
-            $& # return the whole match
+            match # return the whole match
           elsif bind_vars.include?(match = $2.to_sym)
             replace_bind_variable(bind_vars[match])
           else
diff --git a/activesupport/lib/active_support/inflector/methods.rb b/activesupport/lib/active_support/inflector/methods.rb
index 49fd1723e2f304172af69aefe0de6357eafe9574..be369d21c628c1e30196f3c89d4faacc4c45b50d 100644
--- a/activesupport/lib/active_support/inflector/methods.rb
+++ b/activesupport/lib/active_support/inflector/methods.rb
@@ -153,7 +153,7 @@ def humanize(lower_case_and_underscored_word, options = {})
     #   titleize('TheManWithoutAPast')       # => "The Man Without A Past"
     #   titleize('raiders_of_the_lost_ark')  # => "Raiders Of The Lost Ark"
     def titleize(word)
-      humanize(underscore(word)).gsub(/\b(?<!['’`])[a-z]/) { $&.capitalize }
+      humanize(underscore(word)).gsub(/\b(?<!['’`])[a-z]/) { |match| match.capitalize }
     end
 
     # Creates the name of a table like Rails does for models to table names.