Index: kernel/arch/sparc64/include/context.h
===================================================================
--- kernel/arch/sparc64/include/context.h	(revision 4b2c458c1ae1c1e7d61cae43c278078e533b58cb)
+++ kernel/arch/sparc64/include/context.h	(revision a281fc8217c0fce5209fbd69b047d8a62040bb7a)
@@ -42,8 +42,4 @@
 #define SP_DELTA	(STACK_WINDOW_SAVE_AREA_SIZE + STACK_ARG_SAVE_AREA_SIZE)
 
-#ifdef context_set
-#undef context_set
-#endif
-
 #define context_set(c, _pc, stack, size)			\
 	(c)->pc = ((uintptr_t) _pc) - 8;			\