diff --git a/arch/arm/plat-rk/Makefile b/arch/arm/plat-rk/Makefile
index 0ef29c2e8d28..2544a3253553 100755
--- a/arch/arm/plat-rk/Makefile
+++ b/arch/arm/plat-rk/Makefile
@@ -11,7 +11,6 @@ obj-y += mem_reserve.o
 obj-y += config.o
 obj-y += sram.o
 obj-y += iomux.o
-CFLAGS_sram.o += -mthumb
 obj-$(CONFIG_DDR_TEST) += memtester.o ddr_test.o
 obj-$(CONFIG_DDR_FREQ) += ddr_freq.o
 obj-$(CONFIG_DVFS) += dvfs.o