diff --git a/app/Http/Controllers/Api/AssetsController.php b/app/Http/Controllers/Api/AssetsController.php
index 21a4779b46..d2e4ec1e95 100644
--- a/app/Http/Controllers/Api/AssetsController.php
+++ b/app/Http/Controllers/Api/AssetsController.php
@@ -754,34 +754,32 @@ class AssetsController extends Controller
      */
     public function restore(Request $request, $assetId = null)
     {
-        // Get asset information
-        $asset = Asset::withTrashed()->find($assetId);
-        $this->authorize('delete', $asset);
 
-        if (isset($asset->id)) {
+        if ($asset = Asset::withTrashed()->find($assetId)) {
+            $this->authorize('delete', $asset);
 
-            if ($asset->deleted_at=='') {
-               $message = 'Asset was not deleted. No data was changed.';
+            if ($asset->deleted_at == '') {
+                return response()->json(Helper::formatStandardApiResponse('error', trans('general.not_deleted', ['item_type' => trans('general.asset')])), 200);
+            }
 
-            } else {
-
-                $message = trans('admin/hardware/message.restore.success');
-                // Restore the asset
-                Asset::withTrashed()->where('id', $assetId)->restore();
+            if ($asset->restore()) {
 
                 $logaction = new Actionlog();
                 $logaction->item_type = Asset::class;
                 $logaction->item_id = $asset->id;
-                $logaction->created_at =  date("Y-m-d H:i:s");
+                $logaction->created_at = date('Y-m-d H:i:s');
                 $logaction->user_id = Auth::user()->id;
                 $logaction->logaction('restored');
+
+                return response()->json(Helper::formatStandardApiResponse('success', trans('admin/hardware/message.restore.success')), 200);
             }
 
-            return response()->json(Helper::formatStandardApiResponse('success', (new AssetsTransformer)->transformAsset($asset, $request), $message));
-        
-
+            // Check validation to make sure we're not restoring an asset with the same asset tag (or unique attribute) as an existing asset
+            return response()->json(Helper::formatStandardApiResponse('error', trans('general.could_not_restore', ['item_type' => trans('general.asset'), 'error' => $asset->getErrors()->first()])), 200);
         }
+
         return response()->json(Helper::formatStandardApiResponse('error', null, trans('admin/hardware/message.does_not_exist')), 200);
+
     }
 
     /**
diff --git a/app/Http/Controllers/Api/ManufacturersController.php b/app/Http/Controllers/Api/ManufacturersController.php
index dadef87e26..73d585817c 100644
--- a/app/Http/Controllers/Api/ManufacturersController.php
+++ b/app/Http/Controllers/Api/ManufacturersController.php
@@ -6,9 +6,11 @@ use App\Helpers\Helper;
 use App\Http\Controllers\Controller;
 use App\Http\Transformers\ManufacturersTransformer;
 use App\Http\Transformers\SelectlistTransformer;
+use App\Models\Actionlog;
 use App\Models\Manufacturer;
 use Illuminate\Http\Request;
 use App\Http\Requests\ImageUploadRequest;
+use Illuminate\Support\Facades\Auth;
 use Illuminate\Support\Facades\Storage;
 
 class ManufacturersController extends Controller
@@ -159,6 +161,44 @@ class ManufacturersController extends Controller
 
     }
 
+    /**
+     * Restore a given Manufacturer (mark as un-deleted)
+     *
+     * @author [A. Gianotto] [<snipe@snipe.net>]
+     * @since [v6.3.4]
+     * @param int $id
+     * @return \Illuminate\Http\JsonResponse
+     * @throws \Illuminate\Auth\Access\AuthorizationException
+     */
+    public function restore($id)
+    {
+        $this->authorize('delete', Manufacturer::class);
+
+        if ($manufacturer = Manufacturer::withTrashed()->find($id)) {
+
+            if ($manufacturer->deleted_at == '') {
+                return response()->json(Helper::formatStandardApiResponse('error', trans('general.not_deleted', ['item_type' => trans('general.manufacturer')])), 200);
+            }
+
+            if ($manufacturer->restore()) {
+
+                $logaction = new Actionlog();
+                $logaction->item_type = Manufacturer::class;
+                $logaction->item_id = $manufacturer->id;
+                $logaction->created_at = date('Y-m-d H:i:s');
+                $logaction->user_id = Auth::user()->id;
+                $logaction->logaction('restored');
+
+                return response()->json(Helper::formatStandardApiResponse('success', trans('admin/manufacturers/message.restore.success')), 200);
+            }
+
+            // Check validation to make sure we're not restoring an item with the same unique attributes as a non-deleted one
+            return response()->json(Helper::formatStandardApiResponse('error', trans('general.could_not_restore', ['item_type' => trans('general.manufacturer'), 'error' => $manufacturer->getErrors()->first()])), 200);
+        }
+
+        return response()->json(Helper::formatStandardApiResponse('error', null,  trans('admin/manufacturers/message.does_not_exist')));
+    }
+
     /**
      * Gets a paginated collection for the select2 menus
      *
diff --git a/app/Http/Controllers/Api/UsersController.php b/app/Http/Controllers/Api/UsersController.php
index 5a2cd7dcf1..3fd609ffd5 100644
--- a/app/Http/Controllers/Api/UsersController.php
+++ b/app/Http/Controllers/Api/UsersController.php
@@ -11,6 +11,7 @@ use App\Http\Transformers\ConsumablesTransformer;
 use App\Http\Transformers\LicensesTransformer;
 use App\Http\Transformers\SelectlistTransformer;
 use App\Http\Transformers\UsersTransformer;
+use App\Models\Actionlog;
 use App\Models\Asset;
 use App\Models\Company;
 use App\Models\License;
@@ -688,17 +689,31 @@ class UsersController extends Controller
      */
     public function restore($userId = null)
     {
-        // Get asset information
-        $user = User::withTrashed()->find($userId);
-        $this->authorize('delete', $user);
-        if (isset($user->id)) {
-            // Restore the user
-            User::withTrashed()->where('id', $userId)->restore();
 
-            return response()->json(Helper::formatStandardApiResponse('success', null, trans('admin/users/message.success.restored')));
+        if ($user = User::withTrashed()->find($userId)) {
+            $this->authorize('delete', $user);
+
+            if ($user->deleted_at == '') {
+                return response()->json(Helper::formatStandardApiResponse('error', trans('general.not_deleted', ['item_type' => trans('general.user')])), 200);
+            }
+
+            if ($user->restore()) {
+
+                $logaction = new Actionlog();
+                $logaction->item_type = User::class;
+                $logaction->item_id = $user->id;
+                $logaction->created_at = date('Y-m-d H:i:s');
+                $logaction->user_id = Auth::user()->id;
+                $logaction->logaction('restored');
+
+                return response()->json(Helper::formatStandardApiResponse('success', trans('admin/users/message.restore.success')), 200);
+            }
+
+            // Check validation to make sure we're not restoring a user with the same username as an existing user
+            return response()->json(Helper::formatStandardApiResponse('error', trans('general.could_not_restore', ['item_type' => trans('general.user'), 'error' => $user->getErrors()->first()])), 200);
         }
-        
-        $id = $userId;
-        return response()->json(Helper::formatStandardApiResponse('error', null, trans('admin/users/message.user_not_found', compact('id'))), 200);
+
+        return response()->json(Helper::formatStandardApiResponse('error', null, trans('admin/users/message.user_not_found')), 200);
+
     }
 }
diff --git a/app/Http/Transformers/AssetModelsTransformer.php b/app/Http/Transformers/AssetModelsTransformer.php
index ff0a13048b..a7b1c6a49f 100644
--- a/app/Http/Transformers/AssetModelsTransformer.php
+++ b/app/Http/Transformers/AssetModelsTransformer.php
@@ -73,7 +73,7 @@ class AssetModelsTransformer
 
         $permissions_array['available_actions'] = [
             'update' => (Gate::allows('update', AssetModel::class) && ($assetmodel->deleted_at == '')),
-            'delete' => (Gate::allows('delete', AssetModel::class) && ($assetmodel->assets_count == 0)),
+            'delete' => $assetmodel->isDeletable(),
             'clone' => (Gate::allows('create', AssetModel::class) && ($assetmodel->deleted_at == '')),
             'restore' => (Gate::allows('create', AssetModel::class) && ($assetmodel->deleted_at != '')),
         ];
diff --git a/app/Http/Transformers/AssetsTransformer.php b/app/Http/Transformers/AssetsTransformer.php
index d38eac2419..f5d5ae12b5 100644
--- a/app/Http/Transformers/AssetsTransformer.php
+++ b/app/Http/Transformers/AssetsTransformer.php
@@ -147,7 +147,7 @@ class AssetsTransformer
             'clone'         => Gate::allows('create', Asset::class) ? true : false,
             'restore'       => ($asset->deleted_at!='' && Gate::allows('create', Asset::class)) ? true : false,
             'update'        => ($asset->deleted_at=='' && Gate::allows('update', Asset::class)) ? true : false,
-            'delete'        => ($asset->deleted_at=='' && $asset->assigned_to =='' && Gate::allows('delete', Asset::class)) ? true : false,
+            'delete'        => ($asset->deleted_at=='' && $asset->assigned_to =='' && Gate::allows('delete', Asset::class) && ($asset->deleted_at == '')) ? true : false,
         ];      
 
 
diff --git a/app/Http/Transformers/UsersTransformer.php b/app/Http/Transformers/UsersTransformer.php
index 45de50fa7d..0ebaca2692 100644
--- a/app/Http/Transformers/UsersTransformer.php
+++ b/app/Http/Transformers/UsersTransformer.php
@@ -79,7 +79,7 @@ class UsersTransformer
 
         $permissions_array['available_actions'] = [
             'update' => (Gate::allows('update', User::class) && ($user->deleted_at == '')),
-            'delete' => (Gate::allows('delete', User::class) && ($user->assets_count == 0) && ($user->licenses_count == 0) && ($user->accessories_count == 0)),
+            'delete' => $user->isDeletable(),
             'clone' => (Gate::allows('create', User::class) && ($user->deleted_at == '')),
             'restore' => (Gate::allows('create', User::class) && ($user->deleted_at != '')),
         ];