Don't need to use delete in the options hash

2 files changed, 2 insertions, 3 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
index 0706e6ae53..ef17dfbbc5 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
@@ -259,7 +259,7 @@ module ActiveRecord
           end                                                         # end
         EOV
       end
-      
+
       # Adds index options to the indexes hash, keyed by column name
       # This is primarily used to track indexes that need to be created after the table
       #
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
index 8e43193f4b..65c7ef0153 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
@@ -472,9 +472,8 @@ module ActiveRecord
       #  remove_reference(:products, :supplier, polymorphic: true)
       #
       def remove_reference(table_name, ref_name, options = {})
-        polymorphic = options.delete(:polymorphic)
         remove_column(table_name, "#{ref_name}_id")
-        remove_column(table_name, "#{ref_name}_type") if polymorphic
+        remove_column(table_name, "#{ref_name}_type") if options[:polymorphic]
       end
       alias :remove_belongs_to :remove_reference