Index: defaults/special/Makefile.config
===================================================================
--- defaults/special/Makefile.config	(revision a0a273e83bf1cedff09f94c8181d7f89a6c637a6)
+++ defaults/special/Makefile.config	(revision d19b3fcc8f46d58029778b0ba79ad3d796f39697)
@@ -32,7 +32,4 @@
 CONFIG_TEST = y
 
-# Kernel RCU implementation
-RCU = PREEMPT_A
-
 # Optimization level
 OPTIMIZATION = 3