diff --git a/src/Controllers/AbstractController.php b/src/Controllers/AbstractController.php
index ad414e2eb9..4533899293 100644
--- a/src/Controllers/AbstractController.php
+++ b/src/Controllers/AbstractController.php
@@ -71,20 +71,4 @@ abstract class AbstractController implements InvocableController
 
         return ! $foundError;
     }
-
-    /** @psalm-param StatusCodeInterface::STATUS_* $statusCode */
-    protected function sendErrorResponse(string $message, int $statusCode = 400): void
-    {
-        $this->response->setStatusCode($statusCode);
-        $this->response->setRequestStatus(false);
-
-        if ($this->response->isAjax()) {
-            $this->response->addJSON('isErrorResponse', true);
-            $this->response->addJSON('message', $message);
-
-            return;
-        }
-
-        $this->response->addHTML(Message::error($message)->getDisplay());
-    }
 }
diff --git a/src/Controllers/Table/DropColumnConfirmationController.php b/src/Controllers/Table/DropColumnConfirmationController.php
index f513525d14..bc8afc5acc 100644
--- a/src/Controllers/Table/DropColumnConfirmationController.php
+++ b/src/Controllers/Table/DropColumnConfirmationController.php
@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace PhpMyAdmin\Controllers\Table;
 
+use Fig\Http\Message\StatusCodeInterface;
 use PhpMyAdmin\Controllers\AbstractController;
 use PhpMyAdmin\DbTableExists;
 use PhpMyAdmin\Http\Response;
@@ -80,4 +81,19 @@ final class DropColumnConfirmationController extends AbstractController
 
         return null;
     }
+
+    private function sendErrorResponse(string $message): void
+    {
+        $this->response->setStatusCode(StatusCodeInterface::STATUS_BAD_REQUEST);
+        $this->response->setRequestStatus(false);
+
+        if ($this->response->isAjax()) {
+            $this->response->addJSON('isErrorResponse', true);
+            $this->response->addJSON('message', $message);
+
+            return;
+        }
+
+        $this->response->addHTML(Message::error($message)->getDisplay());
+    }
 }
diff --git a/tests/unit/Controllers/AbstractControllerTest.php b/tests/unit/Controllers/AbstractControllerTest.php
index 0c90435e81..3a3c68d570 100644
--- a/tests/unit/Controllers/AbstractControllerTest.php
+++ b/tests/unit/Controllers/AbstractControllerTest.php
@@ -4,7 +4,6 @@ declare(strict_types=1);
 
 namespace PhpMyAdmin\Tests\Controllers;
 
-use Fig\Http\Message\StatusCodeInterface;
 use PhpMyAdmin\Controllers\AbstractController;
 use PhpMyAdmin\DatabaseInterface;
 use PhpMyAdmin\Html\MySQLDocumentation;
@@ -86,59 +85,4 @@ class AbstractControllerTest extends AbstractTestCase
         self::assertTrue($controller->testCheckParameters(['param1', 'param2']));
         self::assertSame(200, $response->getResponse()->getStatusCode());
     }
-
-    public function testSendErrorResponseWithJson(): void
-    {
-        $response = new ResponseRenderer();
-        $response->setAjax(true);
-
-        $controller = new class ($response, new Template()) extends AbstractController {
-            public function __invoke(ServerRequest $request): Response|null
-            {
-                return null;
-            }
-
-            /** @psalm-param StatusCodeInterface::STATUS_* $statusCode */
-            public function testSendErrorResponse(string $message, int $statusCode = 400): void
-            {
-                $this->sendErrorResponse($message, $statusCode);
-            }
-        };
-
-        $controller->testSendErrorResponse('Error message.', 404);
-
-        self::assertSame(404, $response->getResponse()->getStatusCode());
-        self::assertFalse($response->hasSuccessState());
-        self::assertSame('', $response->getHTMLResult());
-        self::assertSame(['isErrorResponse' => true, 'message' => 'Error message.'], $response->getJSONResult());
-    }
-
-    public function testSendErrorResponseWithHtml(): void
-    {
-        $response = new ResponseRenderer();
-        $response->setAjax(false);
-
-        $controller = new class ($response, new Template()) extends AbstractController {
-            public function __invoke(ServerRequest $request): Response|null
-            {
-                return null;
-            }
-
-            /** @psalm-param StatusCodeInterface::STATUS_* $statusCode */
-            public function testSendErrorResponse(string $message, int $statusCode = 400): void
-            {
-                $this->sendErrorResponse($message, $statusCode);
-            }
-        };
-
-        $controller->testSendErrorResponse('Error message.', 404);
-
-        self::assertSame(404, $response->getResponse()->getStatusCode());
-        self::assertFalse($response->hasSuccessState());
-        self::assertSame(
-            Message::error('Error message.')->getDisplay(),
-            $response->getHTMLResult(),
-        );
-        self::assertSame([], $response->getJSONResult());
-    }
 }