diff --git a/apps/advanced/common/config/params.php b/apps/advanced/common/config/params.php
index c378364..7b9a51a 100644
--- a/apps/advanced/common/config/params.php
+++ b/apps/advanced/common/config/params.php
@@ -20,9 +20,6 @@ return [
 
 	'components.db' => [
 		'class' => 'yii\db\Connection',
-		'dsn' => 'mysql:host=localhost;dbname=yii2advanced',
-		'username' => 'root',
-		'password' => '',
 		'charset' => 'utf8',
 	],
 ];
diff --git a/apps/advanced/environments/dev/common/config/params-local.php b/apps/advanced/environments/dev/common/config/params-local.php
index d0b9c34..47edec1 100644
--- a/apps/advanced/environments/dev/common/config/params-local.php
+++ b/apps/advanced/environments/dev/common/config/params-local.php
@@ -1,3 +1,8 @@
 <?php
 return [
+	'components.db' => [
+		'dsn' => 'mysql:host=localhost;dbname=yii2advanced',
+		'username' => 'root',
+		'password' => '',
+	],
 ];
diff --git a/apps/advanced/environments/prod/common/config/params-local.php b/apps/advanced/environments/prod/common/config/params-local.php
index d0b9c34..47edec1 100644
--- a/apps/advanced/environments/prod/common/config/params-local.php
+++ b/apps/advanced/environments/prod/common/config/params-local.php
@@ -1,3 +1,8 @@
 <?php
 return [
+	'components.db' => [
+		'dsn' => 'mysql:host=localhost;dbname=yii2advanced',
+		'username' => 'root',
+		'password' => '',
+	],
 ];