diff --git a/openpower/package/witherspoon-xml/witherspoon.mk b/openpower/package/witherspoon-xml/witherspoon.mk
index 1d53545..79955ea 100644
--- a/openpower/package/witherspoon-xml/witherspoon.mk
+++ b/openpower/package/witherspoon-xml/witherspoon.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-WITHERSPOON_XML_VERSION ?= 166b3135edbc7299aaa991a42f6eb0fc40d784e6
+WITHERSPOON_XML_VERSION ?= 3a89d5efc33377302418c06d654cc3356561c797
 WITHERSPOON_XML_SITE ?= $(call github,open-power,witherspoon-xml,$(WITHERSPOON_XML_VERSION))
 
 WITHERSPOON_XML_LICENSE = Apache-2.0
@@ -32,12 +32,8 @@
         bash -c 'mkdir -p $(MRW_SCRATCH) && cp -r $(@D)/* $(MRW_SCRATCH)'
 
         # generate the system mrw xml
-        #perl -I $(MRW_HB_TOOLS) \
+        perl -I $(MRW_HB_TOOLS) \
         $(MRW_HB_TOOLS)/processMrw.pl -x $(MRW_SCRATCH)/witherspoon.xml
-        
-        # copy local simics_NIMBUS xml until processMrw changes are in
-        # RTC: 143114
-        cp $(MRW_HB_TOOLS)/simics_NIMBUS.system.xml $(MRW_SCRATCH)/$(BR2_WITHERSPOON_SYSTEM_XML_FILENAME)
 
         # merge in any system specific attributes, hostboot attributes
         $(MRW_HB_TOOLS)/mergexml.sh $(MRW_SCRATCH)/$(BR2_WITHERSPOON_SYSTEM_XML_FILENAME) \