diff --git a/boards/px4/fmu-v2/nuttx-config/nsh/defconfig b/boards/px4/fmu-v2/nuttx-config/nsh/defconfig
index f9dc4a1c1e..a5251584e1 100644
--- a/boards/px4/fmu-v2/nuttx-config/nsh/defconfig
+++ b/boards/px4/fmu-v2/nuttx-config/nsh/defconfig
@@ -188,11 +188,8 @@ CONFIG_STM32_SDIO_CARD=y
 CONFIG_STM32_SERIALBRK_BSDCOMPAT=y
 CONFIG_STM32_SERIAL_DISABLE_REORDERING=y
 CONFIG_STM32_SPI1=y
-CONFIG_STM32_SPI1_DMA=y
 CONFIG_STM32_SPI2=y
 CONFIG_STM32_SPI4=y
-CONFIG_STM32_SPI4_DMA=y
-CONFIG_STM32_SPI_DMA=y
 CONFIG_STM32_TIM10=y
 CONFIG_STM32_TIM11=y
 CONFIG_STM32_TIM3=y
diff --git a/boards/px4/fmu-v2/src/board_config.h b/boards/px4/fmu-v2/src/board_config.h
index 8753c176ca..2957922f5d 100644
--- a/boards/px4/fmu-v2/src/board_config.h
+++ b/boards/px4/fmu-v2/src/board_config.h
@@ -421,7 +421,7 @@
 #define BOARD_HAS_PWM	DIRECT_PWM_OUTPUT_CHANNELS
 
 /* This board provides a DMA pool and APIs */
-#define BOARD_DMA_ALLOC_POOL_SIZE (5120 + 512 + 512)	// 5120 fat + 512 + 512 spi
+#define BOARD_DMA_ALLOC_POOL_SIZE 5120
 
 #define BOARD_HAS_ON_RESET 1