diff --git a/arch/c6x/Kconfig b/arch/c6x/Kconfig
index 3fc28fb..1f15b88 100644
--- a/arch/c6x/Kconfig
+++ b/arch/c6x/Kconfig
@@ -19,24 +19,12 @@
 config MMU
 	def_bool n
 
-config ZONE_DMA
-	def_bool y
-
 config FPU
 	def_bool n
 
-config HIGHMEM
-	def_bool n
-
-config NUMA
-	def_bool n
-
 config RWSEM_GENERIC_SPINLOCK
 	def_bool y
 
-config RWSEM_XCHGADD_ALGORITHM
-	def_bool n
-
 config GENERIC_CALIBRATE_DELAY
 	def_bool y