1 files changed, 1 insertions, 2 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 ef17dfbbc5..dca355aa93 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
@@ -1,4 +1,3 @@
-require 'active_support/core_ext/object/blank'
 require 'date'
 require 'set'
 require 'bigdecimal'
@@ -271,7 +270,7 @@ module ActiveRecord
       # Appends <tt>:datetime</tt> columns <tt>:created_at</tt> and
       # <tt>:updated_at</tt> to the table.
       def timestamps(*args)
-        options = { :null => false }.merge(args.extract_options!)
+        options = args.extract_options!
         column(:created_at, :datetime, options)
         column(:updated_at, :datetime, options)
       end