diff --git a/src/helpers.php b/src/helpers.php
index 5397239..f4e8e0c 100644
--- a/src/helpers.php
+++ b/src/helpers.php
@@ -20,7 +20,7 @@ function form($attribute = null)
     }
 }
 
-if (! function_exists('old')) {
+if (! AppIsNotCorePHP() && ! function_exists('old')) {
     
     /**
      * Return previously entered value
@@ -76,7 +76,7 @@ function config_form(?bool $error_type = false, ?bool $csrf_token = true, $reque
 }
 
 
-if (! function_exists('csrf_token')) {
+if (! AppIsNotCorePHP() && ! function_exists('csrf_token')) {
 
     /**
      * Get Csrf Token
@@ -90,7 +90,7 @@ function csrf_token()
 }
 
 
-if (! function_exists('csrf')) {
+if (! AppIsNotCorePHP() && ! function_exists('csrf')) {
 
     /**
      * Generate Input for Csrf Token