diff --git a/lib/Model/Member.php b/lib/Model/Member.php
index 1f6424e9f..ab5bce2d1 100644
--- a/lib/Model/Member.php
+++ b/lib/Model/Member.php
@@ -760,7 +760,7 @@ public function import(array $data): IDeserializable {
 			/** @var Circle $circle */
 			$circle = $this->deserialize($this->getArray('circle', $data), Circle::class);
 			$this->setCircle($circle);
-		} catch (InvalidItemException $e) {
+		} catch (InvalidItemException) {
 		}
 
 		try {
diff --git a/lib/Model/ShareWrapper.php b/lib/Model/ShareWrapper.php
index 4f1659a9b..29bc6c5ce 100644
--- a/lib/Model/ShareWrapper.php
+++ b/lib/Model/ShareWrapper.php
@@ -530,7 +530,7 @@ public function import(array $data): IDeserializable {
 		try {
 			$fileCache = new FileCacheWrapper();
 			$this->setFileCache($fileCache->import($this->getArray('fileCache', $data)));
-		} catch (InvalidItemException $e) {
+		} catch (InvalidItemException) {
 		}
 
 		try {
diff --git a/lib/Service/AvatarService.php b/lib/Service/AvatarService.php
index 5f604b7a2..21e2af913 100644
--- a/lib/Service/AvatarService.php
+++ b/lib/Service/AvatarService.php
@@ -34,11 +34,11 @@
 
 class AvatarService {
 	public function __construct(
-		private IAppData $appData,
-		private IL10N $l,
-		private ISecureRandom $random,
-		private CircleService $circleService,
-		private FederatedEventService $federatedEventService,
+		private readonly IAppData $appData,
+		private readonly IL10N $l,
+		private readonly ISecureRandom $random,
+		private readonly CircleService $circleService,
+		private readonly FederatedEventService $federatedEventService,
 	) {
 	}
 
@@ -61,7 +61,7 @@ public function getAvatar(string $circleId): ?ISimpleFile {
 					}
 				}
 			}
-		} catch (NotFoundException $e) {
+		} catch (NotFoundException) {
 		}
 
 		return null;
@@ -191,12 +191,12 @@ private function deleteAvatar(string $circleId): void {
 	private function getAvatarFolder(string $circleId): ISimpleFolder {
 		try {
 			$folder = $this->appData->getFolder('circle-avatar');
-		} catch (NotFoundException $e) {
+		} catch (NotFoundException) {
 			$folder = $this->appData->newFolder('circle-avatar');
 		}
 		try {
 			$avatarFolder = $folder->getFolder($circleId);
-		} catch (NotFoundException $e) {
+		} catch (NotFoundException) {
 			$avatarFolder = $folder->newFolder($circleId);
 		}
 		return $avatarFolder;
diff --git a/lib/Service/MaintenanceService.php b/lib/Service/MaintenanceService.php
index 41a3a78ce..0b5c52174 100644
--- a/lib/Service/MaintenanceService.php
+++ b/lib/Service/MaintenanceService.php
@@ -213,7 +213,7 @@ private function runMaintenance5(bool $forceRefresh = false): void {
 		try {
 			$this->output('Update memberships');
 			$this->updateAllMemberships();
-		} catch (Exception $e) {
+		} catch (Exception) {
 		}
 
 		try {