diff --git a/DatepickerBlueThemeAsset.php b/DatepickerBlueThemeAsset.php
index 99fe01f..2538595 100644
--- a/DatepickerBlueThemeAsset.php
+++ b/DatepickerBlueThemeAsset.php
@@ -16,6 +16,7 @@
  */
 class DatepickerBlueThemeAsset extends AssetBundle
 {
+    public $sourcePath = "@bower/persian-datepicker/dist";
     public $css = [
         'css/theme/persian-datepicker-blue.css',
     ];
@@ -25,10 +26,4 @@ class DatepickerBlueThemeAsset extends AssetBundle
     public $depends = [
         'mrlco\datepicker\DateAsset',
     ];
-    public function init()
-    {
-        $s = DIRECTORY_SEPARATOR;
-        $this->sourcePath = "@bower{$s}persian-datepicker{$s}dist";
-        parent::init();
-    }
 }
diff --git a/DatepickerCheerupThemeAsset.php b/DatepickerCheerupThemeAsset.php
index ee0ad9f..1f4bb9e 100644
--- a/DatepickerCheerupThemeAsset.php
+++ b/DatepickerCheerupThemeAsset.php
@@ -16,6 +16,7 @@
  */
 class DatepickerCheerupThemeAsset extends AssetBundle
 {
+    public $sourcePath = "@bower/persian-datepicker/dist";
     public $css = [
         'css/theme/persian-datepicker-cheerup.css',
     ];
@@ -25,10 +26,4 @@ class DatepickerCheerupThemeAsset extends AssetBundle
     public $depends = [
         'mrlco\datepicker\DateAsset',
     ];
-    public function init()
-    {
-        $s = DIRECTORY_SEPARATOR;
-        $this->sourcePath = "@bower{$s}persian-datepicker{$s}dist";
-        parent::init();
-    }
 }
diff --git a/DatepickerDarkThemeAsset.php b/DatepickerDarkThemeAsset.php
index 21256f4..20109d5 100644
--- a/DatepickerDarkThemeAsset.php
+++ b/DatepickerDarkThemeAsset.php
@@ -16,6 +16,7 @@
  */
 class DatepickerDarkThemeAsset extends AssetBundle
 {
+    public $sourcePath = "@bower/persian-datepicker/dist";
     public $css = [
         'css/theme/persian-datepicker-dark.css',
     ];
@@ -25,10 +26,4 @@ class DatepickerDarkThemeAsset extends AssetBundle
     public $depends = [
         'mrlco\datepicker\DateAsset',
     ];
-    public function init()
-    {
-        $s = DIRECTORY_SEPARATOR;
-        $this->sourcePath = "@bower{$s}persian-datepicker{$s}dist";
-        parent::init();
-    }
 }
diff --git a/DatepickerRedblackThemeAsset.php b/DatepickerRedblackThemeAsset.php
index 4f838f2..0c32406 100644
--- a/DatepickerRedblackThemeAsset.php
+++ b/DatepickerRedblackThemeAsset.php
@@ -16,6 +16,7 @@
  */
 class DatepickerRedblackThemeAsset extends AssetBundle
 {
+    public $sourcePath = "@bower/persian-datepicker/dist";
     public $css = [
         'css/theme/persian-datepicker-redblack.css',
     ];
@@ -25,10 +26,4 @@ class DatepickerRedblackThemeAsset extends AssetBundle
     public $depends = [
         'mrlco\datepicker\DateAsset',
     ];
-    public function init()
-    {
-        $s = DIRECTORY_SEPARATOR;
-        $this->sourcePath = "@bower{$s}persian-datepicker{$s}dist";
-        parent::init();
-    }
 }