diff --git a/src/Driver/Driver.php b/src/Driver/Driver.php
index 6e86a839..852239ac 100644
--- a/src/Driver/Driver.php
+++ b/src/Driver/Driver.php
@@ -106,10 +106,16 @@ public function withoutCache(): static
 
         $driver = clone $this;
         $driver->useCache = false;
+        $driver->queryCache = [];
 
         return $driver;
     }
 
+    public function clearCache(): void
+    {
+        $this->queryCache = [];
+    }
+
     /**
      * Get driver source database or file name.
      *
@@ -132,7 +138,7 @@ public function getTimezone(): \DateTimeZone
     public function getSchemaHandler(): HandlerInterface
     {
         // do not allow to carry prepared statements between schema changes
-        $this->queryCache = [];
+        $this->clearCache();
 
         return $this->schemaHandler;
     }
@@ -171,7 +177,7 @@ public function isConnected(): bool
     public function disconnect(): void
     {
         try {
-            $this->queryCache = [];
+            $this->clearCache();
             $this->pdo = null;
         } catch (\Throwable $e) {
             // disconnect error
diff --git a/src/Driver/Jsoner.php b/src/Driver/Jsoner.php
index 7bc50eaa..fe08c02c 100644
--- a/src/Driver/Jsoner.php
+++ b/src/Driver/Jsoner.php
@@ -32,7 +32,7 @@ public static function toJson(mixed $value, bool $encode = true, bool $validate
 
         $result = (string) $value;
 
-        if ($validate && !json_validate($result)) {
+        if ($validate && !\json_validate($result)) {
             throw new BuilderException('Invalid JSON value.');
         }
 
diff --git a/src/Schema/AbstractColumn.php b/src/Schema/AbstractColumn.php
index a9078841..f83ceb79 100644
--- a/src/Schema/AbstractColumn.php
+++ b/src/Schema/AbstractColumn.php
@@ -623,6 +623,15 @@ public function isReadonlySchema(): bool
         return $this->getAttributes()['readonlySchema'] ?? false;
     }
 
+    /**
+     * Get column comment.
+     * An empty string will be returned if the feature is not supported by the driver.
+     */
+    public function getComment(): string
+    {
+        return '';
+    }
+
     /**
      * Shortcut for AbstractColumn->type() method.
      *
@@ -785,13 +794,4 @@ protected function formatDatetime(
             default => $value,
         };
     }
-
-    /**
-     * Get column comment.
-     * An empty string will be returned if the feature is not supported by the driver.
-     */
-    public function getComment(): string
-    {
-        return '';
-    }
 }
diff --git a/tests/Database/Functional/Driver/Common/Driver/DriverTest.php b/tests/Database/Functional/Driver/Common/Driver/DriverTest.php
index 509a16ef..e09519b9 100644
--- a/tests/Database/Functional/Driver/Common/Driver/DriverTest.php
+++ b/tests/Database/Functional/Driver/Common/Driver/DriverTest.php
@@ -4,6 +4,9 @@
 
 namespace Cycle\Database\Tests\Functional\Driver\Common\Driver;
 
+use Cycle\Database\Config\DriverConfig;
+use Cycle\Database\Driver\Driver;
+use Cycle\Database\Exception\StatementException;
 use Cycle\Database\Tests\Functional\Driver\Common\BaseTest;
 
 abstract class DriverTest extends BaseTest
@@ -59,4 +62,62 @@ public function datetimeDataProvider(): \Traversable
         yield [new class('2000-01-23T01:23:45.678+09:00') extends \DateTimeImmutable {}];
         yield [new class('2000-01-23T01:23:45.678+09:00') extends \DateTime {}];
     }
+
+    public function testClearCache(): void
+    {
+        $driver = $this->mockDriver();
+
+        $driver->testPolluteCache();
+        self::assertNotEmpty($driver->testGetCache());
+
+        $driver->clearCache();
+
+        self::assertEmpty($driver->testGetCache());
+    }
+
+    public function testWithoutCache(): void
+    {
+        $driver = $this->mockDriver();
+        $driver->testPolluteCache();
+        self::assertNotEmpty($driver->testGetCache());
+
+        $new = $driver->withoutCache();
+
+        self::assertNotEmpty($driver->testGetCache());
+        self::assertEmpty($new->testGetCache());
+    }
+
+    private function mockDriver(): Driver
+    {
+        return new class extends Driver {
+            public function __construct() {}
+
+            public function testPolluteCache(): void
+            {
+                $this->queryCache[] = ['sql' => 'SELECT * FROM table', 'params' => []];
+            }
+
+            public function testGetCache(): array
+            {
+                return $this->queryCache;
+            }
+
+            protected function mapException(\Throwable $exception, string $query): StatementException
+            {
+                throw new \Exception('not needed');
+            }
+
+            public static function create(DriverConfig $config): \Cycle\Database\Driver\DriverInterface
+            {
+                throw new \Exception('not needed');
+            }
+
+            public function getType(): string
+            {
+                throw new \Exception('not needed');
+            }
+
+            public function __clone(): void {}
+        };
+    }
 }
diff --git a/tests/Database/Functional/Driver/Common/Schema/CommentTest.php b/tests/Database/Functional/Driver/Common/Schema/CommentTest.php
index 963065c1..2671d3f9 100644
--- a/tests/Database/Functional/Driver/Common/Schema/CommentTest.php
+++ b/tests/Database/Functional/Driver/Common/Schema/CommentTest.php
@@ -5,7 +5,6 @@
 namespace Cycle\Database\Tests\Functional\Driver\Common\Schema;
 
 // phpcs:ignore
-use Cycle\Database\ColumnInterface;
 use Cycle\Database\Tests\Functional\Driver\Common\BaseTest;
 use Cycle\Database\Tests\Utils\DontGenerateAttribute;
 
diff --git a/tests/generate.php b/tests/generate.php
index 6661267b..eff3e9ac 100644
--- a/tests/generate.php
+++ b/tests/generate.php
@@ -5,11 +5,11 @@
 use Cycle\Database\Tests\Utils\DontGenerateAttribute;
 use Spiral\Tokenizer;
 
-error_reporting(E_ALL | E_STRICT);
-ini_set('display_errors', '1');
+\error_reporting(E_ALL | E_STRICT);
+\ini_set('display_errors', '1');
 
 //Composer
-require_once dirname(__DIR__) . '/vendor/autoload.php';
+require_once \dirname(__DIR__) . '/vendor/autoload.php';
 
 $tokenizer = new Tokenizer\Tokenizer(new Tokenizer\Config\TokenizerConfig([
     'directories' => [__DIR__ . '/Database/Functional/Driver/Common'],
@@ -67,7 +67,7 @@
         \str_replace('\\', '/', $class->getFileName()),
     );
 
-    $path = ltrim($path, '/');
+    $path = \ltrim($path, '/');
 
     foreach ($databases as $driver => $details) {
         $filename = $details['directory'] . $path;