diff --git a/configs/stm32f429i-disco/src/stm32_bringup.c b/configs/stm32f429i-disco/src/stm32_bringup.c
index 821ddeb199..3ec0651fe9 100644
--- a/configs/stm32f429i-disco/src/stm32_bringup.c
+++ b/configs/stm32f429i-disco/src/stm32_bringup.c
@@ -103,6 +103,8 @@ int stm32_bringup(void)
 {
 #if defined(CONFIG_STM32_SPI4)
   FAR struct spi_dev_s *spi;
+#endif
+#if defined(CONFIG_MTD)
   FAR struct mtd_dev_s *mtd;
   FAR struct mtd_geometry_s geo;
 #endif