diff --git a/app/Export/CSV/DocumentExport.php b/app/Export/CSV/DocumentExport.php
index 9748e5e1137f..35387e294dc2 100644
--- a/app/Export/CSV/DocumentExport.php
+++ b/app/Export/CSV/DocumentExport.php
@@ -25,7 +25,7 @@ class DocumentExport extends BaseExport
 
     private $entity_transformer;
 
-    public $date_key = 'created_at';
+    public string $date_key = 'created_at';
 
     public array $entity_keys = [
         'record_type' => 'record_type',
diff --git a/app/Export/CSV/ExpenseExport.php b/app/Export/CSV/ExpenseExport.php
index b1ac4bee85fe..704753dfc208 100644
--- a/app/Export/CSV/ExpenseExport.php
+++ b/app/Export/CSV/ExpenseExport.php
@@ -25,7 +25,7 @@ class ExpenseExport extends BaseExport
 
     private $expense_transformer;
 
-    public $date_key = 'date';
+    public string $date_key = 'date';
 
     public array $entity_keys = [
         'amount' => 'amount',
diff --git a/app/Export/CSV/ProductExport.php b/app/Export/CSV/ProductExport.php
index ec8e03ea8bff..30cc17950585 100644
--- a/app/Export/CSV/ProductExport.php
+++ b/app/Export/CSV/ProductExport.php
@@ -26,7 +26,7 @@ class ProductExport extends BaseExport
 
     private $entity_transformer;
 
-    public $date_key = 'created_at';
+    public string $date_key = 'created_at';
 
     public array $entity_keys = [
         'project' => 'project_id',
diff --git a/app/Export/CSV/TaskExport.php b/app/Export/CSV/TaskExport.php
index d7a8e537613f..e28140e6ffec 100644
--- a/app/Export/CSV/TaskExport.php
+++ b/app/Export/CSV/TaskExport.php
@@ -28,7 +28,7 @@ class TaskExport extends BaseExport
 
     private $entity_transformer;
 
-    public $date_key = 'created_at';
+    public string $date_key = 'created_at';
 
     private string $date_format = 'YYYY-MM-DD';
 
diff --git a/app/Models/Company.php b/app/Models/Company.php
index ccb8514a6592..bb3ed5625cc8 100644
--- a/app/Models/Company.php
+++ b/app/Models/Company.php
@@ -368,9 +368,6 @@ class Company extends BaseModel
         return $this->hasMany(Product::class)->withTrashed();
     }
 
-    /**
-     * @return BelongsTo
-     */
     public function country()
     {
         $companies = Cache::get('countries');
@@ -429,9 +426,6 @@ class Company extends BaseModel
         return $this->hasMany(PaymentTerm::class);
     }
 
-    /**
-     * @return BelongsTo
-     */
     public function language()
     {
         $languages = Cache::get('languages');
diff --git a/app/Models/CompanyUser.php b/app/Models/CompanyUser.php
index 24e4935a705a..4262a4197612 100644
--- a/app/Models/CompanyUser.php
+++ b/app/Models/CompanyUser.php
@@ -74,7 +74,7 @@ class CompanyUser extends Pivot
     {
         return $this->hasOne(User::class)->withPivot('permissions', 'settings', 'react_settings', 'is_admin', 'is_owner', 'is_locked', 'slack_webhook_url', 'migrating');
     }
-
+    
     public function company_pivot()
     {
         return $this->hasOne(Company::class)->withPivot('permissions', 'settings', 'react_settings', 'is_admin', 'is_owner', 'is_locked', 'slack_webhook_url', 'migrating');
diff --git a/app/Transformers/BankTransactionTransformer.php b/app/Transformers/BankTransactionTransformer.php
index e4ef35eba5f2..8cb2e8ce3e09 100644
--- a/app/Transformers/BankTransactionTransformer.php
+++ b/app/Transformers/BankTransactionTransformer.php
@@ -35,7 +35,6 @@ class BankTransactionTransformer extends EntityTransformer
      */
     protected $availableIncludes = [
         'company',
-        'account',
         'expense',
         'payment',
         'vendor',
@@ -76,13 +75,6 @@ class BankTransactionTransformer extends EntityTransformer
         ];
     }
 
-    public function includeAccount(BankTransaction $bank_transaction)
-    {
-        $transformer = new AccountTransformer($this->serializer);
-
-        return $this->includeItem($bank_transaction->account, $transformer, Account::class);
-    }
-
     public function includeCompany(BankTransaction $bank_transaction)
     {
         $transformer = new CompanyTransformer($this->serializer);