Index: defaults/sparc64/Makefile.config
===================================================================
--- defaults/sparc64/Makefile.config	(revision 954c0240b720c64358bccbdcdcb035fdd5a6f347)
+++ defaults/sparc64/Makefile.config	(revision ef4218ffa80e581a90d36e6259ab052bb5dc2548)
@@ -47,7 +47,4 @@
 CONFIG_TEST = y
 
-# Kernel RCU implementation
-RCU = PREEMPT_A
-
 # Input device class
 CONFIG_HID_IN = generic