diff --git a/django/conf/global_settings.py b/django/conf/global_settings.py
index 7271f9c69a..7f2445f116 100644
--- a/django/conf/global_settings.py
+++ b/django/conf/global_settings.py
@@ -72,7 +72,7 @@ SERVER_EMAIL = 'root@localhost'
 SEND_BROKEN_LINK_EMAILS = False
 
 # Database connection info.
-DATABASE_ENGINE = 'postgresql' # 'postgresql', 'mysql', 'sqlite3' or 'ado_mssql'.
+DATABASE_ENGINE = ''           # 'postgresql', 'mysql', 'sqlite3' or 'ado_mssql'.
 DATABASE_NAME = ''             # Or path to database file if using sqlite3.
 DATABASE_USER = ''             # Not used with sqlite3.
 DATABASE_PASSWORD = ''         # Not used with sqlite3.
diff --git a/django/conf/project_template/settings.py b/django/conf/project_template/settings.py
index 5135508f0f..2018cf9d66 100644
--- a/django/conf/project_template/settings.py
+++ b/django/conf/project_template/settings.py
@@ -9,7 +9,7 @@ ADMINS = (
 
 MANAGERS = ADMINS
 
-DATABASE_ENGINE = 'postgresql' # 'postgresql', 'mysql', 'sqlite3' or 'ado_mssql'.
+DATABASE_ENGINE = ''           # 'postgresql', 'mysql', 'sqlite3' or 'ado_mssql'.
 DATABASE_NAME = ''             # Or path to database file if using sqlite3.
 DATABASE_USER = ''             # Not used with sqlite3.
 DATABASE_PASSWORD = ''         # Not used with sqlite3.