diff --git a/cmake/configs/nuttx_aerofc-v1_default.cmake b/cmake/configs/nuttx_aerofc-v1_default.cmake
index d3b2f4a39d..1f0317c6bf 100644
--- a/cmake/configs/nuttx_aerofc-v1_default.cmake
+++ b/cmake/configs/nuttx_aerofc-v1_default.cmake
@@ -1,8 +1,6 @@
 
 px4_nuttx_configure(HWCLASS m4 CONFIG nsh ROMFS y ROMFSROOT px4fmu_common)
 
-set(config_uavcan_num_ifaces 2)
-
 set(config_module_list
 	#
 	# Board support modules