diff --git a/app/AccountInterstitial.php b/app/AccountInterstitial.php
index 080c35959..8c6f00dc9 100644
--- a/app/AccountInterstitial.php
+++ b/app/AccountInterstitial.php
@@ -6,18 +6,16 @@ use Illuminate\Database\Eloquent\Model;
 
 class AccountInterstitial extends Model
 {
-    /**
-     * The attributes that should be mutated to dates.
-     *
-     * @var array
-     */
-    protected $casts = [
-        'read_at' => 'datetime',
-        'appeal_requested_at' => 'datetime',
-    ];
-
     public const JSON_MESSAGE = 'Please use web browser to proceed.';
 
+    protected function casts(): array
+    {
+        return [
+            'read_at' => 'datetime',
+            'appeal_requested_at' => 'datetime',
+        ];
+    }
+
     public function user()
     {
         return $this->belongsTo(User::class);
diff --git a/app/Activity.php b/app/Activity.php
index 92e04cc72..a9aea33d1 100644
--- a/app/Activity.php
+++ b/app/Activity.php
@@ -6,12 +6,15 @@ use Illuminate\Database\Eloquent\Model;
 
 class Activity extends Model
 {
-    protected $casts = [
-        'processed_at' => 'datetime',
-    ];
-
     protected $fillable = ['data', 'to_id', 'from_id', 'object_type'];
 
+    protected function casts(): array
+    {
+        return [
+            'processed_at' => 'datetime',
+        ];
+    }
+
     public function toProfile()
     {
         return $this->belongsTo(Profile::class, 'to_id');
diff --git a/app/Avatar.php b/app/Avatar.php
index 9899ffe22..15d719bf4 100644
--- a/app/Avatar.php
+++ b/app/Avatar.php
@@ -9,19 +9,17 @@ class Avatar extends Model
 {
     use SoftDeletes;
 
-    /**
-     * The attributes that should be mutated to dates.
-     *
-     * @var array
-     */
-    protected $casts = [
-        'deleted_at' => 'datetime',
-        'last_fetched_at' => 'datetime',
-        'last_processed_at' => 'datetime',
-    ];
-
     protected $guarded = [];
 
+    protected function casts(): array
+    {
+        return [
+            'deleted_at' => 'datetime',
+            'last_fetched_at' => 'datetime',
+            'last_processed_at' => 'datetime',
+        ];
+    }
+
     protected $visible = [
         'id',
         'profile_id',
diff --git a/app/Contact.php b/app/Contact.php
index 2239af7d8..4d6319a5a 100644
--- a/app/Contact.php
+++ b/app/Contact.php
@@ -7,9 +7,12 @@ use Illuminate\Support\Str;
 
 class Contact extends Model
 {
-    protected $casts = [
-        'responded_at' => 'datetime',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'responded_at' => 'datetime',
+        ];
+    }
 
     public function user()
     {
diff --git a/app/FollowRequest.php b/app/FollowRequest.php
index 15cac3411..a8c0302e1 100644
--- a/app/FollowRequest.php
+++ b/app/FollowRequest.php
@@ -21,9 +21,12 @@ class FollowRequest extends Model
 {
     protected $fillable = ['follower_id', 'following_id', 'activity', 'handled_at'];
 
-    protected $casts = [
-        'activity' => 'array',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'activity' => 'array',
+        ];
+    }
 
     public function actor()
     {
diff --git a/app/Instance.php b/app/Instance.php
index b52f34af7..a86312be4 100644
--- a/app/Instance.php
+++ b/app/Instance.php
@@ -6,14 +6,6 @@ use Illuminate\Database\Eloquent\Model;
 
 class Instance extends Model
 {
-    protected $casts = [
-        'last_crawled_at' => 'datetime',
-        'actors_last_synced_at' => 'datetime',
-        'notes' => 'array',
-        'nodeinfo_last_fetched' => 'datetime',
-        'delivery_next_after' => 'datetime',
-    ];
-
     protected $fillable = [
         'domain',
         'banned',
@@ -22,6 +14,17 @@ class Instance extends Model
         'notes',
     ];
 
+    protected function casts(): array
+    {
+        return [
+            'last_crawled_at' => 'datetime',
+            'actors_last_synced_at' => 'datetime',
+            'notes' => 'array',
+            'nodeinfo_last_fetched' => 'datetime',
+            'delivery_next_after' => 'datetime',
+        ];
+    }
+
     // To get all moderated instances, we need to search where (banned OR unlisted)
     public function scopeModerated($query): void
     {
diff --git a/app/Like.php b/app/Like.php
index 05c1836ce..47d679c55 100644
--- a/app/Like.php
+++ b/app/Like.php
@@ -11,17 +11,15 @@ class Like extends Model
 
     const MAX_PER_DAY = 1500;
 
-    /**
-     * The attributes that should be mutated to dates.
-     *
-     * @var array
-     */
-    protected $casts = [
-        'deleted_at' => 'datetime',
-    ];
-
     protected $fillable = ['profile_id', 'status_id', 'status_profile_id'];
 
+    protected function casts(): array
+    {
+        return [
+            'deleted_at' => 'datetime',
+        ];
+    }
+
     public function actor()
     {
         return $this->belongsTo(Profile::class, 'profile_id', 'id');
diff --git a/app/Media.php b/app/Media.php
index fd62653f0..939a74f6d 100644
--- a/app/Media.php
+++ b/app/Media.php
@@ -12,18 +12,16 @@ class Media extends Model
 {
     use SoftDeletes;
 
-    /**
-     * The attributes that should be mutated to dates.
-     *
-     * @var array
-     */
     protected $guarded = [];
 
-    protected $casts = [
-        'srcset' => 'array',
-        'deleted_at' => 'datetime',
-        'skip_optimize' => 'boolean',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'srcset' => 'array',
+            'deleted_at' => 'datetime',
+            'skip_optimize' => 'boolean',
+        ];
+    }
 
     public function status()
     {
diff --git a/app/Mention.php b/app/Mention.php
index 242ecd81f..fc97fda04 100644
--- a/app/Mention.php
+++ b/app/Mention.php
@@ -9,17 +9,15 @@ class Mention extends Model
 {
     use SoftDeletes;
 
-    /**
-     * The attributes that should be mutated to dates.
-     *
-     * @var array
-     */
-    protected $casts = [
-        'deleted_at' => 'datetime',
-    ];
-
     protected $guarded = [];
 
+    protected function casts(): array
+    {
+        return [
+            'deleted_at' => 'datetime',
+        ];
+    }
+
     public function profile()
     {
         return $this->belongsTo(Profile::class, 'profile_id', 'id');
diff --git a/app/Models/AdminInvite.php b/app/Models/AdminInvite.php
index 2dfb87a51..2101be5d5 100644
--- a/app/Models/AdminInvite.php
+++ b/app/Models/AdminInvite.php
@@ -7,11 +7,6 @@ use Illuminate\Support\Str;
 
 class AdminInvite extends Model
 {
-    protected $casts = [
-        'used_by' => 'array',
-        'expires_at' => 'datetime',
-    ];
-
     protected $fillable = [
         'name',
         'description',
@@ -23,6 +18,14 @@ class AdminInvite extends Model
         'admin_user_id',
     ];
 
+    protected function casts(): array
+    {
+        return [
+            'used_by' => 'array',
+            'expires_at' => 'datetime',
+        ];
+    }
+
     protected static function booted(): void
     {
         static::creating(function (AdminInvite $invite) {
diff --git a/app/Models/AdminShadowFilter.php b/app/Models/AdminShadowFilter.php
index 8e0e5499f..6edc1cfa3 100644
--- a/app/Models/AdminShadowFilter.php
+++ b/app/Models/AdminShadowFilter.php
@@ -13,9 +13,12 @@ class AdminShadowFilter extends Model
 
     protected $guarded = [];
 
-    protected $casts = [
-        'created_at' => 'datetime',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'created_at' => 'datetime',
+        ];
+    }
 
     public function account()
     {
diff --git a/app/Models/CuratedRegister.php b/app/Models/CuratedRegister.php
index 062408230..1c126ff06 100644
--- a/app/Models/CuratedRegister.php
+++ b/app/Models/CuratedRegister.php
@@ -13,18 +13,21 @@ class CuratedRegister extends Model
         'user_has_responded',
     ];
 
-    protected $casts = [
-        'autofollow_account_ids' => 'array',
-        'admin_notes' => 'array',
-        'email_verified_at' => 'datetime',
-        'admin_notified_at' => 'datetime',
-        'action_taken_at' => 'datetime',
-        'user_has_responded' => 'boolean',
-        'is_awaiting_more_info' => 'boolean',
-        'is_accepted' => 'boolean',
-        'is_rejected' => 'boolean',
-        'is_closed' => 'boolean',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'autofollow_account_ids' => 'array',
+            'admin_notes' => 'array',
+            'email_verified_at' => 'datetime',
+            'admin_notified_at' => 'datetime',
+            'action_taken_at' => 'datetime',
+            'user_has_responded' => 'boolean',
+            'is_awaiting_more_info' => 'boolean',
+            'is_accepted' => 'boolean',
+            'is_rejected' => 'boolean',
+            'is_closed' => 'boolean',
+        ];
+    }
 
     public function adminStatusLabel()
     {
diff --git a/app/Models/CuratedRegisterActivity.php b/app/Models/CuratedRegisterActivity.php
index d7d6aee0f..247fc474b 100644
--- a/app/Models/CuratedRegisterActivity.php
+++ b/app/Models/CuratedRegisterActivity.php
@@ -11,11 +11,14 @@ class CuratedRegisterActivity extends Model
 
     protected $guarded = [];
 
-    protected $casts = [
-        'metadata' => 'array',
-        'admin_notified_at' => 'datetime',
-        'action_taken_at' => 'datetime',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'metadata' => 'array',
+            'admin_notified_at' => 'datetime',
+            'action_taken_at' => 'datetime',
+        ];
+    }
 
     public function application()
     {
diff --git a/app/Models/CuratedRegisterTemplate.php b/app/Models/CuratedRegisterTemplate.php
index a5def0cef..c0505ebe0 100644
--- a/app/Models/CuratedRegisterTemplate.php
+++ b/app/Models/CuratedRegisterTemplate.php
@@ -13,7 +13,10 @@ class CuratedRegisterTemplate extends Model
         'name', 'description', 'content', 'is_active', 'order',
     ];
 
-    protected $casts = [
-        'is_active' => 'boolean',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'is_active' => 'boolean',
+        ];
+    }
 }
diff --git a/app/Models/CustomFilter.php b/app/Models/CustomFilter.php
index dd0019033..98e2d9edc 100644
--- a/app/Models/CustomFilter.php
+++ b/app/Models/CustomFilter.php
@@ -14,15 +14,18 @@ class CustomFilter extends Model
         'title', 'phrase', 'context', 'expires_at', 'action', 'profile_id',
     ];
 
-    protected $casts = [
-        'id' => 'string',
-        'context' => 'array',
-        'expires_at' => 'datetime',
-        'action' => 'integer',
-    ];
-
     protected $guarded = ['shouldInvalidateCache'];
 
+    protected function casts(): array
+    {
+        return [
+            'id' => 'string',
+            'context' => 'array',
+            'expires_at' => 'datetime',
+            'action' => 'integer',
+        ];
+    }
+
     const VALID_CONTEXTS = [
         'home',
         'notifications',
diff --git a/app/Models/CustomFilterKeyword.php b/app/Models/CustomFilterKeyword.php
index a6dee3e21..a17123ff4 100644
--- a/app/Models/CustomFilterKeyword.php
+++ b/app/Models/CustomFilterKeyword.php
@@ -10,9 +10,12 @@ class CustomFilterKeyword extends Model
         'keyword', 'whole_word', 'custom_filter_id',
     ];
 
-    protected $casts = [
-        'whole_word' => 'boolean',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'whole_word' => 'boolean',
+        ];
+    }
 
     public function customFilter()
     {
diff --git a/app/Models/Group.php b/app/Models/Group.php
index c7f711d87..abc2a7b42 100644
--- a/app/Models/Group.php
+++ b/app/Models/Group.php
@@ -33,9 +33,12 @@ class Group extends Model
      */
     public $incrementing = false;
 
-    protected $casts = [
-        'metadata' => 'json',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'metadata' => 'json',
+        ];
+    }
 
     public function url()
     {
diff --git a/app/Models/GroupInteraction.php b/app/Models/GroupInteraction.php
index 06e3704e7..77aa9fd1a 100644
--- a/app/Models/GroupInteraction.php
+++ b/app/Models/GroupInteraction.php
@@ -9,7 +9,10 @@ class GroupInteraction extends Model
 {
     use HasFactory;
 
-    protected $casts = [
-        'metadata' => 'array',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'metadata' => 'array',
+        ];
+    }
 }
diff --git a/app/Models/GroupLimit.php b/app/Models/GroupLimit.php
index d89002b95..682280b40 100644
--- a/app/Models/GroupLimit.php
+++ b/app/Models/GroupLimit.php
@@ -9,13 +9,16 @@ class GroupLimit extends Model
 {
     use HasFactory;
 
-    protected $casts = [
-        'limits' => 'json',
-        'metadata' => 'json',
-    ];
-
     protected $fillable = [
         'profile_id',
         'group_id',
     ];
+
+    protected function casts(): array
+    {
+        return [
+            'limits' => 'json',
+            'metadata' => 'json',
+        ];
+    }
 }
diff --git a/app/Models/HashtagRelated.php b/app/Models/HashtagRelated.php
index bbaa1c06c..6eb8c58b8 100644
--- a/app/Models/HashtagRelated.php
+++ b/app/Models/HashtagRelated.php
@@ -11,14 +11,12 @@ class HashtagRelated extends Model
 
     protected $guarded = [];
 
-    /**
-     * The attributes that should be mutated to dates and other custom formats.
-     *
-     * @var array
-     */
-    protected $casts = [
-        'related_tags' => 'array',
-        'last_calculated_at' => 'datetime',
-        'last_moderated_at' => 'datetime',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'related_tags' => 'array',
+            'last_calculated_at' => 'datetime',
+            'last_moderated_at' => 'datetime',
+        ];
+    }
 }
diff --git a/app/Models/ImportPost.php b/app/Models/ImportPost.php
index f8a3f2b50..e2d17d368 100644
--- a/app/Models/ImportPost.php
+++ b/app/Models/ImportPost.php
@@ -10,11 +10,14 @@ class ImportPost extends Model
 {
     use HasFactory;
 
-    protected $casts = [
-        'media' => 'array',
-        'creation_date' => 'datetime',
-        'metadata' => 'json',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'media' => 'array',
+            'creation_date' => 'datetime',
+            'metadata' => 'json',
+        ];
+    }
 
     public function status()
     {
diff --git a/app/Models/ParentalControls.php b/app/Models/ParentalControls.php
index 8054a66f1..473a70d44 100644
--- a/app/Models/ParentalControls.php
+++ b/app/Models/ParentalControls.php
@@ -26,14 +26,17 @@ class ParentalControls extends Model
 {
     use HasFactory, SoftDeletes;
 
-    protected $casts = [
-        'permissions' => 'array',
-        'email_sent_at' => 'datetime',
-        'email_verified_at' => 'datetime',
-    ];
-
     protected $guarded = [];
 
+    protected function casts(): array
+    {
+        return [
+            'permissions' => 'array',
+            'email_sent_at' => 'datetime',
+            'email_verified_at' => 'datetime',
+        ];
+    }
+
     public function parent()
     {
         return $this->belongsTo(User::class, 'parent_id');
diff --git a/app/Models/Poll.php b/app/Models/Poll.php
index eeb861eab..10868c26f 100644
--- a/app/Models/Poll.php
+++ b/app/Models/Poll.php
@@ -17,11 +17,14 @@ class Poll extends Model
      */
     public $incrementing = false;
 
-    protected $casts = [
-        'poll_options' => 'array',
-        'cached_tallies' => 'array',
-        'expires_at' => 'datetime',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'poll_options' => 'array',
+            'cached_tallies' => 'array',
+            'expires_at' => 'datetime',
+        ];
+    }
 
     public function votes()
     {
diff --git a/app/Models/Portfolio.php b/app/Models/Portfolio.php
index c7bb16608..cf49b04fa 100644
--- a/app/Models/Portfolio.php
+++ b/app/Models/Portfolio.php
@@ -24,9 +24,12 @@ class Portfolio extends Model
         'profile_source',
     ];
 
-    protected $casts = [
-        'metadata' => 'json',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'metadata' => 'json',
+        ];
+    }
 
     public function url($suffix = '')
     {
diff --git a/app/Models/RemoteAuth.php b/app/Models/RemoteAuth.php
index 571ed21bf..35ded76bf 100644
--- a/app/Models/RemoteAuth.php
+++ b/app/Models/RemoteAuth.php
@@ -11,9 +11,12 @@ class RemoteAuth extends Model
 
     protected $guarded = [];
 
-    protected $casts = [
-        'verify_credentials' => 'array',
-        'last_successful_login_at' => 'datetime',
-        'last_verify_credentials_at' => 'datetime',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'verify_credentials' => 'array',
+            'last_successful_login_at' => 'datetime',
+            'last_verify_credentials_at' => 'datetime',
+        ];
+    }
 }
diff --git a/app/Models/RemoteReport.php b/app/Models/RemoteReport.php
index 65ec40e06..d5ad40b3f 100644
--- a/app/Models/RemoteReport.php
+++ b/app/Models/RemoteReport.php
@@ -9,9 +9,12 @@ class RemoteReport extends Model
 {
     use HasFactory;
 
-    protected $casts = [
-        'status_ids' => 'array',
-        'action_taken_meta' => 'array',
-        'report_meta' => 'array',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'status_ids' => 'array',
+            'action_taken_meta' => 'array',
+            'report_meta' => 'array',
+        ];
+    }
 }
diff --git a/app/Models/StatusEdit.php b/app/Models/StatusEdit.php
index 4b36f94bf..b856414c0 100644
--- a/app/Models/StatusEdit.php
+++ b/app/Models/StatusEdit.php
@@ -9,11 +9,14 @@ class StatusEdit extends Model
 {
     use HasFactory;
 
-    protected $casts = [
-        'ordered_media_attachment_ids' => 'array',
-        'media_descriptions' => 'array',
-        'poll_options' => 'array',
-    ];
-
     protected $guarded = [];
+
+    protected function casts(): array
+    {
+        return [
+            'ordered_media_attachment_ids' => 'array',
+            'media_descriptions' => 'array',
+            'poll_options' => 'array',
+        ];
+    }
 }
diff --git a/app/Models/UserAppSettings.php b/app/Models/UserAppSettings.php
index 572aa0033..5d2c4d2dc 100644
--- a/app/Models/UserAppSettings.php
+++ b/app/Models/UserAppSettings.php
@@ -12,16 +12,19 @@ class UserAppSettings extends Model
 
     protected $guarded = [];
 
-    protected $casts = [
-        'common' => 'json',
-        'custom' => 'json',
-        'common.timelines.show_public' => 'boolean',
-        'common.timelines.show_network' => 'boolean',
-        'common.timelines.hide_likes_shares' => 'boolean',
-        'common.media.hide_public_behind_cw' => 'boolean',
-        'common.media.always_show_cw' => 'boolean',
-        'common.media.show_alt_text' => 'boolean',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'common' => 'json',
+            'custom' => 'json',
+            'common.timelines.show_public' => 'boolean',
+            'common.timelines.show_network' => 'boolean',
+            'common.timelines.hide_likes_shares' => 'boolean',
+            'common.media.hide_public_behind_cw' => 'boolean',
+            'common.media.always_show_cw' => 'boolean',
+            'common.media.show_alt_text' => 'boolean',
+        ];
+    }
 
     public function user()
     {
diff --git a/app/Models/UserEmailForgot.php b/app/Models/UserEmailForgot.php
index 9e549aff4..d36f3b514 100644
--- a/app/Models/UserEmailForgot.php
+++ b/app/Models/UserEmailForgot.php
@@ -11,7 +11,10 @@ class UserEmailForgot extends Model
 
     protected $guarded = [];
 
-    protected $casts = [
-        'email_sent_at' => 'datetime',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'email_sent_at' => 'datetime',
+        ];
+    }
 }
diff --git a/app/Models/UserRoles.php b/app/Models/UserRoles.php
index c8d199865..b716fe83e 100644
--- a/app/Models/UserRoles.php
+++ b/app/Models/UserRoles.php
@@ -12,10 +12,13 @@ class UserRoles extends Model
 
     protected $guarded = [];
 
-    protected $casts = [
-        'roles' => 'array',
-        'meta' => 'array',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'roles' => 'array',
+            'meta' => 'array',
+        ];
+    }
 
     public function user()
     {
diff --git a/app/Newsroom.php b/app/Newsroom.php
index 8fa551d4a..88178c9ad 100644
--- a/app/Newsroom.php
+++ b/app/Newsroom.php
@@ -10,9 +10,12 @@ class Newsroom extends Model
 
     protected $fillable = ['title'];
 
-    protected $casts = [
-        'published_at' => 'datetime',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'published_at' => 'datetime',
+        ];
+    }
 
     public function permalink()
     {
diff --git a/app/Notification.php b/app/Notification.php
index a107c4550..0fedefb69 100644
--- a/app/Notification.php
+++ b/app/Notification.php
@@ -9,17 +9,15 @@ class Notification extends Model
 {
     use SoftDeletes;
 
-    /**
-     * The attributes that should be mutated to dates.
-     *
-     * @var array
-     */
-    protected $casts = [
-        'deleted_at' => 'datetime',
-    ];
-
     protected $guarded = [];
 
+    protected function casts(): array
+    {
+        return [
+            'deleted_at' => 'datetime',
+        ];
+    }
+
     public function actor()
     {
         return $this->belongsTo(Profile::class, 'actor_id', 'id');
diff --git a/app/Profile.php b/app/Profile.php
index 34c304f58..0e86c7d2f 100644
--- a/app/Profile.php
+++ b/app/Profile.php
@@ -41,18 +41,21 @@ class Profile extends Model
      */
     public $incrementing = false;
 
-    protected $casts = [
-        'deleted_at' => 'datetime',
-        'last_fetched_at' => 'datetime',
-        'last_status_at' => 'datetime',
-    ];
-
     protected $hidden = ['private_key'];
 
     protected $visible = ['id', 'user_id', 'username', 'name'];
 
     protected $guarded = [];
 
+    protected function casts(): array
+    {
+        return [
+            'deleted_at' => 'datetime',
+            'last_fetched_at' => 'datetime',
+            'last_status_at' => 'datetime',
+        ];
+    }
+
     public function user()
     {
         return $this->belongsTo(User::class);
diff --git a/app/Report.php b/app/Report.php
index aad7fc7d6..77d2dad48 100644
--- a/app/Report.php
+++ b/app/Report.php
@@ -6,12 +6,15 @@ use Illuminate\Database\Eloquent\Model;
 
 class Report extends Model
 {
-    protected $casts = [
-        'admin_seen' => 'datetime',
-    ];
-
     protected $guarded = [];
 
+    protected function casts(): array
+    {
+        return [
+            'admin_seen' => 'datetime',
+        ];
+    }
+
     public function url()
     {
         return url('/i/admin/reports/show/'.$this->id);
diff --git a/app/Status.php b/app/Status.php
index 1204879c2..f262af905 100644
--- a/app/Status.php
+++ b/app/Status.php
@@ -51,18 +51,16 @@ class Status extends Model
      */
     public $incrementing = false;
 
-    /**
-     * The attributes that should be mutated to dates.
-     *
-     * @var array
-     */
-    protected $casts = [
-        'deleted_at' => 'datetime',
-        'edited_at' => 'datetime',
-    ];
-
     protected $guarded = [];
 
+    protected function casts(): array
+    {
+        return [
+            'deleted_at' => 'datetime',
+            'edited_at' => 'datetime',
+        ];
+    }
+
     const STATUS_TYPES = [
         'text',
         'photo',
diff --git a/app/Story.php b/app/Story.php
index ce8113a79..075be623f 100644
--- a/app/Story.php
+++ b/app/Story.php
@@ -32,18 +32,21 @@ class Story extends Model
      */
     public $incrementing = false;
 
-    protected $casts = [
-        'story' => 'json',
-        'expires_at' => 'datetime',
-        'view_count' => 'integer',
-    ];
-
     protected $fillable = ['profile_id', 'view_count'];
 
     protected $visible = ['id'];
 
     protected $hidden = ['json'];
 
+    protected function casts(): array
+    {
+        return [
+            'story' => 'json',
+            'expires_at' => 'datetime',
+            'view_count' => 'integer',
+        ];
+    }
+
     public function profile()
     {
         return $this->belongsTo(Profile::class);
diff --git a/app/StoryItem.php b/app/StoryItem.php
index fcc88bfce..a442587bd 100644
--- a/app/StoryItem.php
+++ b/app/StoryItem.php
@@ -25,17 +25,15 @@ class StoryItem extends Model
      */
     public $incrementing = false;
 
-    /**
-     * The attributes that should be mutated to dates.
-     *
-     * @var array
-     */
-    protected $casts = [
-        'expires_at' => 'datetime',
-    ];
-
     protected $visible = ['id'];
 
+    protected function casts(): array
+    {
+        return [
+            'expires_at' => 'datetime',
+        ];
+    }
+
     public function story()
     {
         return $this->belongsTo(Story::class);
diff --git a/app/UserSetting.php b/app/UserSetting.php
index 09f4bc872..91744eafb 100644
--- a/app/UserSetting.php
+++ b/app/UserSetting.php
@@ -8,8 +8,11 @@ class UserSetting extends Model
 {
     protected $fillable = ['user_id'];
 
-    protected $casts = [
-        'compose_settings' => 'json',
-        'other' => 'json',
-    ];
+    protected function casts(): array
+    {
+        return [
+            'compose_settings' => 'json',
+            'other' => 'json',
+        ];
+    }
 }