diff --git a/libraries/classes/Controllers/Table/Maintenance/AnalyzeController.php b/libraries/classes/Controllers/Table/Maintenance/AnalyzeController.php
index 11bd0d8c1e..78e9844bc7 100644
--- a/libraries/classes/Controllers/Table/Maintenance/AnalyzeController.php
+++ b/libraries/classes/Controllers/Table/Maintenance/AnalyzeController.php
@@ -40,7 +40,7 @@ final class AnalyzeController extends AbstractController
             Assert::isArray($selectedTablesParam);
             Assert::notEmpty($selectedTablesParam);
             Assert::allStringNotEmpty($selectedTablesParam);
-        } catch (InvalidArgumentException $exception) {
+        } catch (InvalidArgumentException) {
             $this->response->setRequestStatus(false);
             $this->response->addJSON('message', __('No table selected.'));
 
diff --git a/libraries/classes/Controllers/Table/Maintenance/CheckController.php b/libraries/classes/Controllers/Table/Maintenance/CheckController.php
index 774ad7972a..e47a785467 100644
--- a/libraries/classes/Controllers/Table/Maintenance/CheckController.php
+++ b/libraries/classes/Controllers/Table/Maintenance/CheckController.php
@@ -40,7 +40,7 @@ final class CheckController extends AbstractController
             Assert::isArray($selectedTablesParam);
             Assert::notEmpty($selectedTablesParam);
             Assert::allStringNotEmpty($selectedTablesParam);
-        } catch (InvalidArgumentException $exception) {
+        } catch (InvalidArgumentException) {
             $this->response->setRequestStatus(false);
             $this->response->addJSON('message', __('No table selected.'));
 
diff --git a/libraries/classes/Controllers/Table/Maintenance/ChecksumController.php b/libraries/classes/Controllers/Table/Maintenance/ChecksumController.php
index c4290abf29..abb11b530d 100644
--- a/libraries/classes/Controllers/Table/Maintenance/ChecksumController.php
+++ b/libraries/classes/Controllers/Table/Maintenance/ChecksumController.php
@@ -40,7 +40,7 @@ final class ChecksumController extends AbstractController
             Assert::isArray($selectedTablesParam);
             Assert::notEmpty($selectedTablesParam);
             Assert::allStringNotEmpty($selectedTablesParam);
-        } catch (InvalidArgumentException $exception) {
+        } catch (InvalidArgumentException) {
             $this->response->setRequestStatus(false);
             $this->response->addJSON('message', __('No table selected.'));
 
diff --git a/libraries/classes/Controllers/Table/Maintenance/OptimizeController.php b/libraries/classes/Controllers/Table/Maintenance/OptimizeController.php
index b022b9fdad..6fa6139848 100644
--- a/libraries/classes/Controllers/Table/Maintenance/OptimizeController.php
+++ b/libraries/classes/Controllers/Table/Maintenance/OptimizeController.php
@@ -40,7 +40,7 @@ final class OptimizeController extends AbstractController
             Assert::isArray($selectedTablesParam);
             Assert::notEmpty($selectedTablesParam);
             Assert::allStringNotEmpty($selectedTablesParam);
-        } catch (InvalidArgumentException $exception) {
+        } catch (InvalidArgumentException) {
             $this->response->setRequestStatus(false);
             $this->response->addJSON('message', __('No table selected.'));
 
diff --git a/libraries/classes/Controllers/Table/Maintenance/RepairController.php b/libraries/classes/Controllers/Table/Maintenance/RepairController.php
index fe59f47680..77fd561f3b 100644
--- a/libraries/classes/Controllers/Table/Maintenance/RepairController.php
+++ b/libraries/classes/Controllers/Table/Maintenance/RepairController.php
@@ -40,7 +40,7 @@ final class RepairController extends AbstractController
             Assert::isArray($selectedTablesParam);
             Assert::notEmpty($selectedTablesParam);
             Assert::allStringNotEmpty($selectedTablesParam);
-        } catch (InvalidArgumentException $exception) {
+        } catch (InvalidArgumentException) {
             $this->response->setRequestStatus(false);
             $this->response->addJSON('message', __('No table selected.'));