diff --git a/app/Http/Requests/Request.php b/app/Http/Requests/Request.php
index cfd3239a68..805246e792 100644
--- a/app/Http/Requests/Request.php
+++ b/app/Http/Requests/Request.php
@@ -56,25 +56,6 @@ class Request extends FormRequest
         return null;
     }
 
-    /**
-     * Return a boolean value.
-     *
-     * @param string $field
-     *
-     * @return bool
-     */
-    public function boolean(string $field): bool
-    {
-        if ('true' === (string)$this->input($field)) {
-            return true;
-        }
-        if ('false' === (string)$this->input($field)) {
-            return false;
-        }
-
-        return 1 === (int)$this->input($field);
-    }
-
     /**
      * @param string $value
      *