diff --git a/attributes/default.rb b/attributes/default.rb
index 07ca134..52b42d2 100644
--- a/attributes/default.rb
+++ b/attributes/default.rb
@@ -32,45 +32,35 @@ default['postfix']['main_template_source'] = 'postfix'
 default['postfix']['master_template_source'] = 'postfix'
 default['postfix']['sender_canonical_map_entries'] = {}
 default['postfix']['smtp_generic_map_entries'] = {}
+default['postfix']['access_db_type'] = 'hash'
+default['postfix']['aliases_db_type'] = 'hash'
+default['postfix']['transport_db_type'] = 'hash'
+default['postfix']['virtual_alias_db_type'] = 'hash'
+default['postfix']['virtual_alias_domains_db_type'] = 'hash'
 
 case node['platform']
 when 'smartos'
   default['postfix']['conf_dir'] = '/opt/local/etc/postfix'
   default['postfix']['aliases_db'] = '/opt/local/etc/postfix/aliases'
-  default['postfix']['aliases_db_type'] = 'hash'
   default['postfix']['transport_db'] = '/opt/local/etc/postfix/transport'
-  default['postfix']['transport_db_type'] = 'hash'
   default['postfix']['access_db'] = '/opt/local/etc/postfix/access'
-  default['postfix']['access_db_type'] = 'hash'
   default['postfix']['virtual_alias_db'] = '/opt/local/etc/postfix/virtual'
-  default['postfix']['virtual_alias_db_type'] = 'hash'
   default['postfix']['virtual_alias_domains_db'] = '/opt/local/etc/postfix/virtual_domains'
-  default['postfix']['virtual_alias_domains_db_type'] = 'hash'
 when 'omnios'
   default['postfix']['conf_dir'] = '/opt/omni/etc/postfix'
   default['postfix']['aliases_db'] = 'opt/omni/etc/postfix/aliases'
-  default['postfix']['aliases_db_type'] = 'hash'
   default['postfix']['transport_db'] = '/opt/omni/etc/postfix/transport'
-  default['postfix']['transport_db_type'] = 'hash'
   default['postfix']['access_db'] = '/opt/omni/etc/postfix/access'
-  default['postfix']['access_db_type'] = 'hash'
   default['postfix']['virtual_alias_db'] = '/etc/omni/etc/postfix/virtual'
-  default['postfix']['virtual_alias_db_type'] = 'hash'
   default['postfix']['virtual_alias_domains_db'] = '/etc/omni/etc/postfix/virtual_domains'
-  default['postfix']['virtual_alias_domains_db_type'] = 'hash'
   default['postfix']['uid'] = 11
 else
   default['postfix']['conf_dir'] = '/etc/postfix'
   default['postfix']['aliases_db'] = '/etc/aliases'
-  default['postfix']['aliases_db_type'] = 'hash'
   default['postfix']['transport_db'] = '/etc/postfix/transport'
-  default['postfix']['transport_db_type'] = 'hash'
   default['postfix']['access_db'] = '/etc/postfix/access'
-  default['postfix']['access_db_type'] = 'hash'
   default['postfix']['virtual_alias_db'] = '/etc/postfix/virtual'
-  default['postfix']['virtual_alias_db_type'] = 'hash'
   default['postfix']['virtual_alias_domains_db'] = '/etc/postfix/virtual_domains'
-  default['postfix']['virtual_alias_domains_db_type'] = 'hash'
 end
 
 # Non-default main.cf attributes