diff --git a/themes/oont-themev2/functions.php b/themes/oont-themev2/functions.php
index 51ece9a9b..f38957737 100644
--- a/themes/oont-themev2/functions.php
+++ b/themes/oont-themev2/functions.php
@@ -30,6 +30,11 @@ $wp_upload_dir = wp_upload_dir ();
 ! defined ( 'SOFTOBA_UPLOAD_ERR_NOT_A_IMAGE' )        && define ( 'SOFTOBA_UPLOAD_ERR_NOT_A_IMAGE', 21 );
 ! defined ( 'SOFTOBA_UPLOAD_ERR_WRONG_IMAGE_FORMAT' ) && define ( 'SOFTOBA_UPLOAD_ERR_WRONG_IMAGE_FORMAT', 22 );
 
+
+// Disable srcset and sizes attributes
+add_filter('wp_calculate_image_srcset', '__return_false');
+add_filter('wp_calculate_image_sizes', '__return_false');
+
 /**
  * Enqueue styles
  */