diff --git a/lib/Widget/DbCache.php b/lib/Widget/DbCache.php
index <HASH>..<HASH> 100644
--- a/lib/Widget/DbCache.php
+++ b/lib/Widget/DbCache.php
@@ -7,7 +7,6 @@
  */

 namespace Widget;

 

-use Widget\Exception;

 use Widget\Stdlib\AbstractCache;

 

 /**

diff --git a/lib/Widget/Validator/AbstractValidator.php b/lib/Widget/Validator/AbstractValidator.php
index <HASH>..<HASH> 100644
--- a/lib/Widget/Validator/AbstractValidator.php
+++ b/lib/Widget/Validator/AbstractValidator.php
@@ -9,7 +9,6 @@
 namespace Widget\Validator;

 

 use Widget\AbstractWidget;

-use Widget\Exception\UnexpectedValueException;

 

 /**

  * The base class of validator

diff --git a/lib/Widget/Validator/File.php b/lib/Widget/Validator/File.php
index <HASH>..<HASH> 100644
--- a/lib/Widget/Validator/File.php
+++ b/lib/Widget/Validator/File.php
@@ -8,8 +8,6 @@
 

 namespace Widget\Validator;

 

-use Widget\Exception;

-

 /**

  * Check if the input is valid file

  *
removed extra use Widget\Exception code