diff --git a/application/Espo/Core/Binding/BindingContainerBuilder.php b/application/Espo/Core/Binding/BindingContainerBuilder.php
index b4a7424ec0..abd16bcd8c 100644
--- a/application/Espo/Core/Binding/BindingContainerBuilder.php
+++ b/application/Espo/Core/Binding/BindingContainerBuilder.php
@@ -34,7 +34,6 @@ use Closure;
 class BindingContainerBuilder
 {
     private BindingData $data;
-
     private Binder $binder;
 
     public function __construct()
diff --git a/application/Espo/Core/Binding/BindingData.php b/application/Espo/Core/Binding/BindingData.php
index f80a4bcd45..e162e51a82 100644
--- a/application/Espo/Core/Binding/BindingData.php
+++ b/application/Espo/Core/Binding/BindingData.php
@@ -35,7 +35,6 @@ use stdClass;
 class BindingData
 {
     private stdClass $global;
-
     private stdClass $context;
 
     public function __construct()
diff --git a/application/Espo/Core/Binding/ContextualBinder.php b/application/Espo/Core/Binding/ContextualBinder.php
index 0ea20dbdf2..9425588e1d 100644
--- a/application/Espo/Core/Binding/ContextualBinder.php
+++ b/application/Espo/Core/Binding/ContextualBinder.php
@@ -33,9 +33,8 @@ use LogicException;
 
 class ContextualBinder
 {
-    private $data;
-
-    private $className;
+    private BindingData $data;
+    private string $className;
 
     public function __construct(BindingData $data, string $className)
     {
diff --git a/application/Espo/Core/Binding/EspoBindingLoader.php b/application/Espo/Core/Binding/EspoBindingLoader.php
index c9f8ddf78f..e3c7cbba28 100644
--- a/application/Espo/Core/Binding/EspoBindingLoader.php
+++ b/application/Espo/Core/Binding/EspoBindingLoader.php
@@ -34,7 +34,8 @@ use Espo\Binding;
 
 class EspoBindingLoader implements BindingLoader
 {
-    private $moduleNameList;
+    /** @var string[] */
+    private array $moduleNameList;
 
     public function __construct(Module $module)
     {