diff --git a/.gitignore b/.gitignore
index bb6fde2..e765ce2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,3 +28,4 @@ php-5.5.*.xz
 /php-5.6.0RC1-strip.tar.xz
 /php-5.6.0RC2-strip.tar.xz
 /php-5.6.0RC3-strip.tar.xz
+/php-5.6.0RC4-strip.tar.xz
diff --git a/php-5.6.0-mock.patch b/php-5.6.0-mock.patch
deleted file mode 100644
index 37bc452..0000000
--- a/php-5.6.0-mock.patch
+++ /dev/null
@@ -1,20 +0,0 @@
-diff -up php-5.6.0RC1/ext/standard/var_unserializer.c.mock php-5.6.0RC1/ext/standard/var_unserializer.c
---- php-5.6.0RC1/ext/standard/var_unserializer.c.mock	2014-06-19 03:26:09.000000000 +0200
-+++ php-5.6.0RC1/ext/standard/var_unserializer.c	2014-06-23 18:51:04.702265786 +0200
-@@ -22,6 +22,7 @@
- #include "php.h"
- #include "ext/standard/php_var.h"
- #include "php_incomplete_class.h"
-+#include "Zend/zend_interfaces.h"
- 
- /* {{{ reference-handling for unserializer: var_* */
- #define VAR_ENTRIES_MAX 1024
-@@ -394,7 +395,7 @@ static inline long object_common1(UNSERI
- 
- 	(*p) += 2;
- 	
--	if (ce->serialize == NULL) {
-+	if (ce->serialize == NULL || ce->unserialize == zend_user_unserialize || ZEND_INTERNAL_CLASS != ce->type) {
- 		object_init_ex(*rval, ce);
- 	} else {
- 		/* If this class implements Serializable, it should not land here but in object_custom(). The passed string
diff --git a/php.spec b/php.spec
index 177a8f4..deafc29 100644
--- a/php.spec
+++ b/php.spec
@@ -57,12 +57,12 @@
 %global db_devel  libdb-devel
 %endif
 
-%global rcver         RC3
+%global rcver         RC4
 
 Summary: PHP scripting language for creating dynamic web sites
 Name: php
 Version: 5.6.0
-Release: 0.5.%{rcver}%{?dist}
+Release: 0.6.%{rcver}%{?dist}
 # All files licensed under PHP version 3.01, except
 # Zend is licensed under Zend
 # TSRM is licensed under BSD
@@ -110,8 +110,6 @@ Patch45: php-5.4.8-ldap_r.patch
 Patch46: php-5.4.9-fixheader.patch
 # drop "Configure command" from phpinfo output
 Patch47: php-5.4.9-phpinfo.patch
-# temporary fix (from 5.4/5.5) for unserialize/mock
-Patch48: php-5.6.0-mock.patch
 
 # Upstream fixes (100+)
 
@@ -708,7 +706,6 @@ httpd -V  | grep -q 'threaded:.*yes' && exit 1
 %endif
 %patch46 -p1 -b .fixheader
 %patch47 -p1 -b .phpinfo
-%patch48 -p1 -b .mock
 
 # upstream patches
 
@@ -1469,6 +1466,9 @@ rm -f README.{Zeus,QNX,CVS-RULES}
 
 
 %changelog
+* Thu Aug 14 2014 Remi Collet <rcollet@redhat.com> 5.6.0-0.6.RC4
+- php 5.6.0RC4
+
 * Thu Jul 31 2014 Remi Collet <rcollet@redhat.com> 5.6.0-0.5.RC3
 - fpm requires httpd >= 2.4.10 for proxy support in SetHandler
 
diff --git a/sources b/sources
index c87d542..490191d 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-52f4fe7f794d0bca7a06041ae20b16b4  php-5.6.0RC3-strip.tar.xz
+5d344cf13b466494583714059d3890ca  php-5.6.0RC4-strip.tar.xz