diff --git a/src/Command.php b/src/Command.php
index ea6cb79ae..c686f2122 100644
--- a/src/Command.php
+++ b/src/Command.php
@@ -4,11 +4,7 @@
 
 namespace Yiisoft\Db\Pgsql;
 
-use Exception;
-use Throwable;
 use Yiisoft\Db\Driver\Pdo\AbstractPdoCommand;
-use Yiisoft\Db\Exception\ConvertException;
-use Yiisoft\Db\QueryBuilder\QueryBuilderInterface;
 
 /**
  * Implements a database command that can be executed with a PDO (PHP Data Object) database connection for PostgreSQL