diff --git a/typo3/sysext/belog/Configuration/TypoScript/setup.txt b/typo3/sysext/belog/Configuration/TypoScript/setup.txt
index 79dd22c36cf6837b098c6ca9ef079b4b2162d955..be000fc42e36a144f84029b12fd614864bac04b5 100644
--- a/typo3/sysext/belog/Configuration/TypoScript/setup.txt
+++ b/typo3/sysext/belog/Configuration/TypoScript/setup.txt
@@ -1,6 +1,4 @@
 module.tx_belog {
-	features.rewrittenPropertyMapper = 1
-
 	persistence.classes {
 		TYPO3\CMS\Belog\Domain\Model\LogEntry {
 			mapping {
diff --git a/typo3/sysext/extensionmanager/ext_typoscript_setup.txt b/typo3/sysext/extensionmanager/ext_typoscript_setup.txt
index 520822386acc8202e8aa65cafb67c8739b22dd53..be45cfb1c6939a86bc6f794b1d7d5770ffb12088 100644
--- a/typo3/sysext/extensionmanager/ext_typoscript_setup.txt
+++ b/typo3/sysext/extensionmanager/ext_typoscript_setup.txt
@@ -3,8 +3,6 @@ module.tx_extensionmanager {
 		repositoryUid = 1
 	}
 	features {
-		 # this enables/disables the reworked property mapper (see http://forge.typo3.org/projects/typo3v4-mvc/wiki/PropertyMapper_rework)
-		rewrittenPropertyMapper = 1
 		 # if enabled, default controller and/or action is skipped when creating URIs through the URI Builder (see http://forge.typo3.org/projects/typo3v4-mvc/wiki/Skip_default_arguments_in_URIs)
 		skipDefaultArguments = 0
 	}