Index: defaults/special/Makefile.config
===================================================================
--- defaults/special/Makefile.config	(revision a0a273e83bf1cedff09f94c8181d7f89a6c637a6)
+++ defaults/special/Makefile.config	(revision ef4218ffa80e581a90d36e6259ab052bb5dc2548)
@@ -32,7 +32,4 @@
 CONFIG_TEST = y
 
-# Kernel RCU implementation
-RCU = PREEMPT_A
-
 # Optimization level
 OPTIMIZATION = 3