Index: src/Tasks/PhpDocumentorTask.php
===================================================================
--- src/Tasks/PhpDocumentorTask.php	(revision 5216)
+++ src/Tasks/PhpDocumentorTask.php	(working copy)
@@ -141,8 +141,7 @@
             $command->getCommandId(),
             'c',
             'without-php-documentor',
-            'Disable phpDocumentor support.',
-            false
+            'Disable phpDocumentor support.'
         );
         
         if ( !$def->hasOption( $command->getCommandId(), 'source-dir' ) )
Index: src/Tasks/PhpCodeSnifferTask.php
===================================================================
--- src/Tasks/PhpCodeSnifferTask.php	(revision 5216)
+++ src/Tasks/PhpCodeSnifferTask.php	(working copy)
@@ -125,8 +125,7 @@
             $command->getCommandId(),
             'f',
             'without-code-sniffer',
-            'Disable PHP CodeSniffer support.',
-            false
+            'Disable PHP CodeSniffer support.'
         );
         
         $def->addOption(