diff --git a/include/libopencm3/gd32/f1x0/memorymap.h b/include/libopencm3/gd32/f1x0/memorymap.h
index 2c9b86d5..00a82417 100644
--- a/include/libopencm3/gd32/f1x0/memorymap.h
+++ b/include/libopencm3/gd32/f1x0/memorymap.h
@@ -84,7 +84,7 @@
 
 #define RCC_BASE			(PERIPH_BASE_AHB1 + 0x01000)
 
-#define FLASH_MEM_INTERFACE_BASE	(PERIPH_BASE_AHB1 + 0x02000)
+#define 	(PERIPH_BASE_AHB1 + 0x02000)
 #define CRC_BASE			(PERIPH_BASE_AHB1 + 0x03000)
 #define TSC_BASE			(PERIPH_BASE_AHB1 + 0x03000)