diff --git a/app/Dav/Principal.php b/app/Dav/Principal.php
index 3ae9ccac..cf624056 100644
--- a/app/Dav/Principal.php
+++ b/app/Dav/Principal.php
@@ -129,6 +129,7 @@ class Principal implements PrincipalBackendInterface
      */
     public function findByUri($uri, $principalPrefix)
     {
+        return null;
     }
 
     /**
diff --git a/app/Fee.php b/app/Fee.php
index c1eb9050..fee156e3 100644
--- a/app/Fee.php
+++ b/app/Fee.php
@@ -15,7 +15,6 @@ class Fee extends Model
     use HasFactory;
     use HasNamiField;
 
-    /** @var array<int, string> */
     public $fillable = ['name', 'nami_id'];
 
     /** @var bool */
diff --git a/app/Http/Middleware/Authenticate.php b/app/Http/Middleware/Authenticate.php
index 2306b821..d24bc505 100644
--- a/app/Http/Middleware/Authenticate.php
+++ b/app/Http/Middleware/Authenticate.php
@@ -11,7 +11,7 @@ class Authenticate extends Middleware
      *
      * @param \Illuminate\Http\Request $request
      *
-     * @return string|null
+     * @return void
      */
     protected function redirectTo($request)
     {
diff --git a/app/Lib/Filter.php b/app/Lib/Filter.php
index 6d2f7489..f7a556a0 100644
--- a/app/Lib/Filter.php
+++ b/app/Lib/Filter.php
@@ -8,7 +8,7 @@ use Spatie\LaravelData\Data;
 
 /**
  * @template T of Model
- * @property Builder $query
+ * @property Builder<T> $query
  */
 abstract class Filter extends Data
 {
@@ -40,7 +40,7 @@ abstract class Filter extends Data
     }
 
     /**
-     * @return static(self<T>)
+     * @return static
      */
     public function toDefault(): self
     {
diff --git a/app/Lib/ScoutFilter.php b/app/Lib/ScoutFilter.php
index ba8b602e..b512f407 100644
--- a/app/Lib/ScoutFilter.php
+++ b/app/Lib/ScoutFilter.php
@@ -8,7 +8,7 @@ use Spatie\LaravelData\Data;
 
 /**
  * @template T of Model
- * @property Builder $query
+ * @property Builder<T> $query
  */
 abstract class ScoutFilter extends Data
 {