diff --git a/boards/px4/fmu-v5/nuttx-config/uavcanv1/defconfig b/boards/px4/fmu-v5/nuttx-config/uavcanv1/defconfig
index 8f2930d3e7..92f310cac8 100644
--- a/boards/px4/fmu-v5/nuttx-config/uavcanv1/defconfig
+++ b/boards/px4/fmu-v5/nuttx-config/uavcanv1/defconfig
@@ -122,7 +122,6 @@ CONFIG_PRIORITY_INHERITANCE=y
 CONFIG_PTHREAD_MUTEX_ROBUST=y
 CONFIG_PTHREAD_STACK_MIN=512
 CONFIG_RAMTRON_SETSPEED=y
-CONFIG_RAMTRON_WRITEWAIT=y
 CONFIG_RAM_SIZE=245760
 CONFIG_RAM_START=0x20010000
 CONFIG_RAW_BINARY=y