diff --git a/app/Filters/QueryFilters.php b/app/Filters/QueryFilters.php
index e0da087a8442..1f8f1ce4208c 100644
--- a/app/Filters/QueryFilters.php
+++ b/app/Filters/QueryFilters.php
@@ -289,7 +289,6 @@ abstract class QueryFilters
 
     /**
      * @return Builder
-     * @throws RuntimeException
      */
     public function without_deleted_clients(): Builder
     {
@@ -302,7 +301,6 @@ abstract class QueryFilters
 
     /**
      * @return Builder
-     * @throws RuntimeException
      */
     public function without_deleted_vendors(): Builder
     {
diff --git a/app/Models/Activity.php b/app/Models/Activity.php
index 7105dbda7298..2677a149d5c5 100644
--- a/app/Models/Activity.php
+++ b/app/Models/Activity.php
@@ -274,7 +274,7 @@ class Activity extends StaticModel
     ];
 
 
-    public function getHashedIdAttribute()
+    public function getHashedIdAttribute(): string
     {
         return $this->encodePrimaryKey($this->id);
     }
@@ -285,109 +285,95 @@ class Activity extends StaticModel
         return self::class;
     }
 
-
-    public function backup()
+    public function backup(): \Illuminate\Database\Eloquent\Relations\HasOne
     {
         return $this->hasOne(Backup::class);
     }
 
-
-    public function history()
+    public function history(): \Illuminate\Database\Eloquent\Relations\HasOne
     {
         return $this->hasOne(Backup::class);
     }
 
-    public function user() :BelongsTo
+    public function user(): \Illuminate\Database\Eloquent\Relations\BelongsTo
     {
         return $this->belongsTo(User::class)->withTrashed();
     }
 
-
-    public function contact()
+    public function contact(): \Illuminate\Database\Eloquent\Relations\BelongsTo
     {
         return $this->belongsTo(ClientContact::class, 'client_contact_id', 'id')->withTrashed();
     }
 
-
-    public function client()
+    public function client(): \Illuminate\Database\Eloquent\Relations\BelongsTo
     {
         return $this->belongsTo(Client::class)->withTrashed();
     }
 
-
-    public function invoice()
+    public function invoice(): \Illuminate\Database\Eloquent\Relations\BelongsTo
     {
         return $this->belongsTo(Invoice::class)->withTrashed();
     }
 
 
-    public function vendor()
+    public function vendor(): \Illuminate\Database\Eloquent\Relations\BelongsTo
     {
         return $this->belongsTo(Vendor::class)->withTrashed();
     }
 
 
-    public function recurring_invoice()
+    public function recurring_invoice(): \Illuminate\Database\Eloquent\Relations\BelongsTo
     {
         return $this->belongsTo(RecurringInvoice::class)->withTrashed();
     }
 
-
-    public function credit()
+    public function credit(): \Illuminate\Database\Eloquent\Relations\BelongsTo
     {
         return $this->belongsTo(Credit::class)->withTrashed();
     }
 
-
-    public function quote()
+    public function quote(): \Illuminate\Database\Eloquent\Relations\BelongsTo
     {
         return $this->belongsTo(Quote::class)->withTrashed();
     }
 
-
-    public function subscription()
+    public function subscription(): \Illuminate\Database\Eloquent\Relations\BelongsTo
     {
         return $this->belongsTo(Subscription::class)->withTrashed();
     }
 
-
-    public function payment()
+    public function payment(): \Illuminate\Database\Eloquent\Relations\BelongsTo
     {
         return $this->belongsTo(Payment::class)->withTrashed();
     }
 
-
-    public function expense()
+    public function expense(): \Illuminate\Database\Eloquent\Relations\BelongsTo
     {
         return $this->belongsTo(Expense::class)->withTrashed();
     }
 
 
-    public function recurring_expense()
+    public function recurring_expense(): \Illuminate\Database\Eloquent\Relations\BelongsTo
     {
         return $this->belongsTo(RecurringExpense::class)->withTrashed();
     }
 
-
-    public function purchase_order()
+    public function purchase_order(): \Illuminate\Database\Eloquent\Relations\BelongsTo
     {
         return $this->belongsTo(PurchaseOrder::class)->withTrashed();
     }
 
-
-    public function vendor_contact()
+    public function vendor_contact(): \Illuminate\Database\Eloquent\Relations\BelongsTo
     {
         return $this->belongsTo(VendorContact::class)->withTrashed();
     }
 
-
-    public function task()
+    public function task(): \Illuminate\Database\Eloquent\Relations\BelongsTo
     {
         return $this->belongsTo(Task::class)->withTrashed();
     }
 
-
-    public function company()
+    public function company(): \Illuminate\Database\Eloquent\Relations\BelongsTo
     {
         return $this->belongsTo(Company::class);
     }