diff --git a/old/src/PointToolsBundle/DQL/Day.php b/src/Doctrine/DQL/Day.php
similarity index 64%
rename from old/src/PointToolsBundle/DQL/Day.php
rename to src/Doctrine/DQL/Day.php
index 1110bb1..c1984e5 100644
--- a/old/src/PointToolsBundle/DQL/Day.php
+++ b/src/Doctrine/DQL/Day.php
@@ -1,15 +1,17 @@
 <?php
+declare(strict_types=1);
 
-namespace src\PointToolsBundle\DQL;
+namespace App\Doctrine\DQL;
 
 use Doctrine\ORM\Query\AST\Functions\FunctionNode;
-use Doctrine\ORM\Query\Lexer;
+use Doctrine\ORM\Query\{Lexer, Parser, SqlWalker};
 
+/** TODO: check if still needed */
 class Day extends FunctionNode
 {
     public $dateExpression;
 
-    public function parse(\Doctrine\ORM\Query\Parser $parser)
+    public function parse(Parser $parser): void
     {
         $parser->match(Lexer::T_IDENTIFIER);
         $parser->match(Lexer::T_OPEN_PARENTHESIS);
@@ -19,8 +21,8 @@ class Day extends FunctionNode
         $parser->match(Lexer::T_CLOSE_PARENTHESIS);
     }
 
-    public function getSql(\Doctrine\ORM\Query\SqlWalker $sqlWalker)
+    public function getSql(SqlWalker $sqlWalker): string
     {
         return 'date_trunc(\'day\', '.$this->dateExpression->dispatch($sqlWalker).')';
     }
-}
\ No newline at end of file
+}