diff --git a/composer.json b/composer.json
index faa17c1b..6b8365bc 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
         },
         {
             "name": "Franck Lefevre",
-            "homepage": "http://blog.rootslabs.net"
+            "homepage": "https://rootslabs.net/blog/"
         },
         {
             "name": "Ivan Lanin",
@@ -36,13 +36,11 @@
         "ext-xml": "*",
         "zendframework/zend-escaper": "2.4.*",
         "zendframework/zend-stdlib": "2.4.*",
-        "zendframework/zend-validator": "2.4.*",
         "phpoffice/common": "0.2.*"
     },
     "require-dev": {
         "phpunit/phpunit": "3.7.*",
         "phpdocumentor/phpdocumentor":"2.*",
-        "twig/twig":"1.27",
         "squizlabs/php_codesniffer": "1.*",
         "phpmd/phpmd": "2.*",
         "phploc/phploc": "2.*",
diff --git a/src/PhpWord/Shared/AbstractEnum.php b/src/PhpWord/Shared/AbstractEnum.php
index 4584c2f9..f116e511 100644
--- a/src/PhpWord/Shared/AbstractEnum.php
+++ b/src/PhpWord/Shared/AbstractEnum.php
@@ -19,16 +19,39 @@ abstract class AbstractEnum
         return self::$constCacheArray[$calledClass];
     }
 
+    /**
+     * Returns all values for this enum
+     * 
+     * @return array
+     */
     public static function values()
     {
         return array_values(self::getConstants());
     }
 
-    public static function validate($value)
+    /**
+     * Returns true the value is valid for this enum
+     * 
+     * @param strign $value
+     * @return boolean true if value is valid
+     */
+    public static function isValid($value)
     {
         $values = array_values(self::getConstants());
-        if (!in_array($value, $values, true)) {
+        return in_array($value, $values, true);
+    }
+
+    /**
+     * Validates that the value passed is a valid value
+     * 
+     * @param string $value
+     * @throws \InvalidArgumentException if the value passed is not valid for this enum
+     */
+    public static function validate($value)
+    {
+        if (!self::isValid($value)) {
             $calledClass = get_called_class();
+            $values = array_values(self::getConstants());
             throw new \InvalidArgumentException("$value is not a valid value for $calledClass, possible values are " . implode(', ', $values));
         }
     }
diff --git a/src/PhpWord/SimpleType/Jc.php b/src/PhpWord/SimpleType/Jc.php
index e90674a4..5c399a16 100644
--- a/src/PhpWord/SimpleType/Jc.php
+++ b/src/PhpWord/SimpleType/Jc.php
@@ -17,7 +17,7 @@
 
 namespace PhpOffice\PhpWord\SimpleType;
 
-use Zend\Validator\InArray;
+use PhpOffice\PhpWord\Shared\AbstractEnum;
 
 /**
  * Horizontal Alignment Type.
@@ -28,10 +28,11 @@ use Zend\Validator\InArray;
  * @since 0.13.0
  *
  * @see \PhpOffice\PhpWord\SimpleType\JcTable For table alignment modes available since ISO/IEC-29500:2008.
+ * @link http://www.datypic.com/sc/ooxml/t-w_ST_Jc.html
  *
  * @codeCoverageIgnore
  */
-final class Jc
+final class Jc extends AbstractEnum
 {
     const START = 'start';
     const CENTER = 'center';
@@ -65,34 +66,4 @@ final class Jc
      * @deprecated 0.13.0 For documents based on ISO/IEC 29500:2008 and later use `BOTH` instead.
      */
     const JUSTIFY = 'justify';
-
-    /**
-     * @since 0.13.0
-     *
-     * @return \Zend\Validator\InArray
-     */
-    final public static function getValidator()
-    {
-        // todo: consider caching validator instances.
-        return new InArray(
-            array (
-                'haystack' => array(
-                    self::START,
-                    self::CENTER,
-                    self::END,
-                    self::BOTH,
-                    self::MEDIUM_KASHIDA,
-                    self::DISTRIBUTE,
-                    self::NUM_TAB,
-                    self::HIGH_KASHIDA,
-                    self::LOW_KASHIDA,
-                    self::THAI_DISTRIBUTE,
-                    self::LEFT,
-                    self::RIGHT,
-                    self::JUSTIFY,
-                ),
-                'strict'   => InArray::COMPARE_STRICT,
-            )
-        );
-    }
 }
diff --git a/src/PhpWord/SimpleType/JcTable.php b/src/PhpWord/SimpleType/JcTable.php
index d9648477..865b25a8 100644
--- a/src/PhpWord/SimpleType/JcTable.php
+++ b/src/PhpWord/SimpleType/JcTable.php
@@ -17,7 +17,7 @@
 
 namespace PhpOffice\PhpWord\SimpleType;
 
-use Zend\Validator\InArray;
+use PhpOffice\PhpWord\Shared\AbstractEnum;
 
 /**
  * Table Alignment Type.
@@ -28,25 +28,9 @@ use Zend\Validator\InArray;
  *
  * @codeCoverageIgnore
  */
-final class JcTable
+final class JcTable extends AbstractEnum
 {
     const START = 'start';
     const CENTER = 'center';
     const END = 'end';
-
-    /**
-     * @since 0.13.0
-     *
-     * @return \Zend\Validator\InArray
-     */
-    final public static function getValidator()
-    {
-        // todo: consider caching validator instances.
-        return new InArray(
-            array (
-                'haystack' => array(self::START, self::CENTER, self::END),
-                'strict'   => InArray::COMPARE_STRICT,
-            )
-        );
-    }
 }
diff --git a/src/PhpWord/Style/Frame.php b/src/PhpWord/Style/Frame.php
index 97faacfb..0a99146b 100644
--- a/src/PhpWord/Style/Frame.php
+++ b/src/PhpWord/Style/Frame.php
@@ -200,7 +200,7 @@ class Frame extends AbstractStyle
      */
     public function setAlignment($value)
     {
-        if (Jc::getValidator()->isValid($value)) {
+        if (Jc::isValid($value)) {
             $this->alignment = $value;
         }
 
diff --git a/src/PhpWord/Style/NumberingLevel.php b/src/PhpWord/Style/NumberingLevel.php
index 827d4354..38b9fbee 100644
--- a/src/PhpWord/Style/NumberingLevel.php
+++ b/src/PhpWord/Style/NumberingLevel.php
@@ -300,7 +300,7 @@ class NumberingLevel extends AbstractStyle
      */
     public function setAlignment($value)
     {
-        if (Jc::getValidator()->isValid($value)) {
+        if (Jc::isValid($value)) {
             $this->alignment = $value;
         }
 
diff --git a/src/PhpWord/Style/Paragraph.php b/src/PhpWord/Style/Paragraph.php
index a9b53b2b..bad9ace9 100644
--- a/src/PhpWord/Style/Paragraph.php
+++ b/src/PhpWord/Style/Paragraph.php
@@ -240,7 +240,7 @@ class Paragraph extends Border
      */
     public function setAlignment($value)
     {
-        if (Jc::getValidator()->isValid($value)) {
+        if (Jc::isValid($value)) {
             $this->alignment = $value;
         }
 
diff --git a/src/PhpWord/Style/Table.php b/src/PhpWord/Style/Table.php
index 91809528..a542af7b 100644
--- a/src/PhpWord/Style/Table.php
+++ b/src/PhpWord/Style/Table.php
@@ -510,7 +510,7 @@ class Table extends Border
      */
     public function setAlignment($value)
     {
-        if (JcTable::getValidator()->isValid($value) || Jc::getValidator()->isValid($value)) {
+        if (JcTable::isValid($value) || Jc::isValid($value)) {
             $this->alignment = $value;
         }