Index: kernel/arch/mips32/include/arch/barrier.h
===================================================================
--- kernel/arch/mips32/include/arch/barrier.h	(revision 4177e707b2d3067590985a1aa9576c2426944a8d)
+++ kernel/arch/mips32/include/arch/barrier.h	(revision b43f393301546fdd21903d4877b9718f04707c5e)
@@ -48,6 +48,5 @@
 #ifdef KERNEL
 
-#define smc_coherence(a)
-#define smc_coherence_block(a, l)
+#define smc_coherence(a, l)
 
 #endif	/* KERNEL */