diff --git a/plat/allwinner/sun50i_a64/include/sunxi_mmap.h b/plat/allwinner/sun50i_a64/include/sunxi_mmap.h
index cb202a839..7d46487dc 100644
--- a/plat/allwinner/sun50i_a64/include/sunxi_mmap.h
+++ b/plat/allwinner/sun50i_a64/include/sunxi_mmap.h
@@ -27,7 +27,6 @@
 #define SUNXI_CPU_MBIST_BASE		0x01502000
 #define SUNXI_CPUCFG_BASE		0x01700000
 #define SUNXI_SYSCON_BASE		0x01c00000
-#define SUNXI_SRAM_VER_REG		(SUNXI_SYSCON_BASE + 0x24)
 #define SUNXI_DMA_BASE			0x01c02000
 #define SUNXI_KEYMEM_BASE		0x01c0b000
 #define SUNXI_SMHC0_BASE		0x01c0f000