1 files changed, 1 insertions, 8 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3/schema_creation.rb b/activerecord/lib/active_record/connection_adapters/sqlite3/schema_creation.rb
index 70c0d28830..bc798d1dbb 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite3/schema_creation.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite3/schema_creation.rb
@@ -1,15 +1,8 @@
 module ActiveRecord
   module ConnectionAdapters
     module SQLite3
-      class SchemaCreation < AbstractAdapter::SchemaCreation
+      class SchemaCreation < AbstractAdapter::SchemaCreation # :nodoc:
         private
-
-          def column_options(o)
-            options = super
-            options[:null] = false if o.primary_key
-            options
-          end
-
           def add_column_options!(sql, options)
             if options[:collation]
               sql << " COLLATE \"#{options[:collation]}\""