diff -up phalcon/assets/filters/cssmin.zep.orig phalcon/assets/filters/cssmin.zep
--- phalcon/assets/filters/cssmin.zep.orig	2019-02-25 09:14:47.881823280 +0100
+++ phalcon/assets/filters/cssmin.zep	2019-02-25 09:14:53.915856132 +0100
@@ -36,6 +36,6 @@ class Cssmin implements FilterInterface
 	 */
 	public function filter(string! content) -> string
 	{
-		return phalcon_cssmin(content);
+		return content;
 	}
 }
diff -up phalcon/assets/filters/jsmin.zep.orig phalcon/assets/filters/jsmin.zep
--- phalcon/assets/filters/jsmin.zep.orig	2019-02-25 09:15:05.946921636 +0100
+++ phalcon/assets/filters/jsmin.zep	2019-02-25 09:15:18.133987990 +0100
@@ -36,6 +36,6 @@ class Jsmin implements FilterInterface
 	 */
 	public function filter(string! content) -> string
 	{
-		return phalcon_jsmin(content);
+		return content;
 	}
 }