diff --git a/library/think/Validate.php b/library/think/Validate.php
index 353561be..60ec7d3b 100644
--- a/library/think/Validate.php
+++ b/library/think/Validate.php
@@ -42,7 +42,6 @@ class Validate
         'float'       => ':attribute must be float',
         'boolean'     => ':attribute must be bool',
         'email'       => ':attribute not a valid email address',
-        'mobile'      => ':attribute not a valid mobile',
         'array'       => ':attribute must be a array',
         'accepted'    => ':attribute must be yes,on or 1',
         'date'        => ':attribute not a valid datetime',