diff --git a/lib/Doctrine/DBAL/Driver/IBMDB2/Connection.php b/lib/Doctrine/DBAL/Driver/IBMDB2/Connection.php
index 66d77c10406..b05475780fd 100644
--- a/lib/Doctrine/DBAL/Driver/IBMDB2/Connection.php
+++ b/lib/Doctrine/DBAL/Driver/IBMDB2/Connection.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 namespace Doctrine\DBAL\Driver\IBMDB2;
 
 final class Connection extends DB2Connection
diff --git a/lib/Doctrine/DBAL/Driver/IBMDB2/Statement.php b/lib/Doctrine/DBAL/Driver/IBMDB2/Statement.php
index a2292603946..4312da4521a 100644
--- a/lib/Doctrine/DBAL/Driver/IBMDB2/Statement.php
+++ b/lib/Doctrine/DBAL/Driver/IBMDB2/Statement.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 namespace Doctrine\DBAL\Driver\IBMDB2;
 
 final class Statement extends DB2Statement
diff --git a/lib/Doctrine/DBAL/Driver/Mysqli/Connection.php b/lib/Doctrine/DBAL/Driver/Mysqli/Connection.php
index 3b4972c379e..6fea53da8bb 100644
--- a/lib/Doctrine/DBAL/Driver/Mysqli/Connection.php
+++ b/lib/Doctrine/DBAL/Driver/Mysqli/Connection.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 namespace Doctrine\DBAL\Driver\Mysqli;
 
 final class Connection extends MysqliConnection
diff --git a/lib/Doctrine/DBAL/Driver/Mysqli/Statement.php b/lib/Doctrine/DBAL/Driver/Mysqli/Statement.php
index 308dd14dbff..bfd6ae90031 100644
--- a/lib/Doctrine/DBAL/Driver/Mysqli/Statement.php
+++ b/lib/Doctrine/DBAL/Driver/Mysqli/Statement.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 namespace Doctrine\DBAL\Driver\Mysqli;
 
 final class Statement extends MysqliStatement
diff --git a/lib/Doctrine/DBAL/Driver/OCI8/Connection.php b/lib/Doctrine/DBAL/Driver/OCI8/Connection.php
index 97eb81c94d1..8affac01c70 100644
--- a/lib/Doctrine/DBAL/Driver/OCI8/Connection.php
+++ b/lib/Doctrine/DBAL/Driver/OCI8/Connection.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 namespace Doctrine\DBAL\Driver\OCI8;
 
 final class Connection extends OCI8Connection
diff --git a/lib/Doctrine/DBAL/Driver/OCI8/Statement.php b/lib/Doctrine/DBAL/Driver/OCI8/Statement.php
index 706b402e3df..2cab1e59c8c 100644
--- a/lib/Doctrine/DBAL/Driver/OCI8/Statement.php
+++ b/lib/Doctrine/DBAL/Driver/OCI8/Statement.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 namespace Doctrine\DBAL\Driver\OCI8;
 
 final class Statement extends OCI8Statement
diff --git a/lib/Doctrine/DBAL/Driver/PDO/Connection.php b/lib/Doctrine/DBAL/Driver/PDO/Connection.php
index 3a627f7bf43..433fd5ea14b 100644
--- a/lib/Doctrine/DBAL/Driver/PDO/Connection.php
+++ b/lib/Doctrine/DBAL/Driver/PDO/Connection.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 namespace Doctrine\DBAL\Driver\PDO;
 
 use Doctrine\DBAL\Driver\PDOConnection;
diff --git a/lib/Doctrine/DBAL/Driver/PDO/Statement.php b/lib/Doctrine/DBAL/Driver/PDO/Statement.php
index 3edeebd2497..76fdaf45088 100644
--- a/lib/Doctrine/DBAL/Driver/PDO/Statement.php
+++ b/lib/Doctrine/DBAL/Driver/PDO/Statement.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 namespace Doctrine\DBAL\Driver\PDO;
 
 use Doctrine\DBAL\Driver\PDOStatement;
diff --git a/lib/Doctrine/DBAL/Driver/SQLSrv/Connection.php b/lib/Doctrine/DBAL/Driver/SQLSrv/Connection.php
index 646842c37d0..6e009b5db33 100644
--- a/lib/Doctrine/DBAL/Driver/SQLSrv/Connection.php
+++ b/lib/Doctrine/DBAL/Driver/SQLSrv/Connection.php
@@ -1,7 +1,5 @@
 <?php
 
-declare(strict_types=1);
-
 namespace Doctrine\DBAL\Driver\SQLSrv;
 
 final class Connection extends SQLSrvConnection
diff --git a/lib/Doctrine/DBAL/Driver/SQLSrv/Statement.php b/lib/Doctrine/DBAL/Driver/SQLSrv/Statement.php
index e0958f687d8..6a96b87c939 100644
--- a/lib/Doctrine/DBAL/Driver/SQLSrv/Statement.php
+++ b/lib/Doctrine/DBAL/Driver/SQLSrv/Statement.php
@@ -1,9 +1,7 @@
 <?php
 
-declare(strict_types=1);
-
 namespace Doctrine\DBAL\Driver\SQLSrv;
 
-class Statement extends SQLSrvStatement
+final class Statement extends SQLSrvStatement
 {
 }