diff --git a/ROMFS/px4fmu_common/init.d/airframes/4901_crazyflie21 b/ROMFS/px4fmu_common/init.d/airframes/4901_crazyflie21
index 67fb4406ce..fd2463ae1d 100644
--- a/ROMFS/px4fmu_common/init.d/airframes/4901_crazyflie21
+++ b/ROMFS/px4fmu_common/init.d/airframes/4901_crazyflie21
@@ -24,7 +24,6 @@ param set-default SYS_HAS_MAG 0
 param set-default EKF2_AID_MASK 2
 param set-default EKF2_MAG_TYPE 5
 
-param set-default BAT_N_CELLS 1
 param set-default BAT1_N_CELLS 1
 param set-default BAT1_SOURCE 1