diff --git a/mods/ra/maps/allies-06a/rules.yaml b/mods/ra/maps/allies-06a/rules.yaml
index 01766c0558..9c7ebb3c8e 100644
--- a/mods/ra/maps/allies-06a/rules.yaml
+++ b/mods/ra/maps/allies-06a/rules.yaml
@@ -48,7 +48,7 @@ TRUK:
 
 STEK:
 	Targetable:
-		TargetTypes: Ground, Water, Structure, C4, DetonateAttack, SpyInfiltrate
+		TargetTypes: Ground, Structure, C4, DetonateAttack, SpyInfiltrate
 
 TECH.CAM:
 	Inherits: CAMERA