diff --git a/mods/cnc/rules/aircraft.yaml b/mods/cnc/rules/aircraft.yaml
index 9513645366..2e0f4d6c6c 100644
--- a/mods/cnc/rules/aircraft.yaml
+++ b/mods/cnc/rules/aircraft.yaml
@@ -167,7 +167,6 @@ C17:
 		TurnSpeed: 5
 		Speed: 326
 		Repulsable: False
-		AirborneCondition: airborne
 		MaximumPitch: 36
 	Health:
 		HP: 25
@@ -206,7 +205,6 @@ A10:
 		TurnSpeed: 4
 		Speed: 373
 		Repulsable: False
-		AirborneCondition: airborne
 	Health:
 		HP: 150
 	Armor:
diff --git a/mods/cnc/rules/defaults.yaml b/mods/cnc/rules/defaults.yaml
index bd13ca3576..4bf998bc95 100644
--- a/mods/cnc/rules/defaults.yaml
+++ b/mods/cnc/rules/defaults.yaml
@@ -839,7 +839,6 @@
 		Offset: 43, 128, 0
 		ZOffset: -129
 	Aircraft:
-		AirborneCondition: airborne
 		CanHover: True
 	FallsToEarth:
 		Spins: True