1 files changed, 1 insertions, 6 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_dumper.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_dumper.rb
index 5031605c2a..c0dbb166b7 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_dumper.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_dumper.rb
@@ -3,12 +3,7 @@
 module ActiveRecord
   module ConnectionAdapters
     module PostgreSQL
-      module ColumnDumper # :nodoc:
-        # Adds +:array+ as a valid migration key
-        def migration_keys
-          super + [:array]
-        end
-
+      class SchemaDumper < ConnectionAdapters::SchemaDumper # :nodoc:
         private
           def prepare_column_options(column)
             spec = super