diff --git a/functions.php b/functions.php
index 5ce7b43..893fbc0 100644
--- a/functions.php
+++ b/functions.php
@@ -116,4 +116,4 @@ function create_post_type() {
 }
 add_action( 'init', 'create_post_type' );
 
-remove_action( 'wp_head', 'wp_print_auto_sizes_contain_css_fix', 1 );
\ No newline at end of file
+add_filter( 'wp_img_tag_add_auto_sizes', '__return_false' );