diff --git a/OpenRA.Mods.Common/Traits/Modifiers/HiddenUnderShroud.cs b/OpenRA.Mods.Common/Traits/Modifiers/HiddenUnderShroud.cs
index bbedbcfc7c..a49182845f 100644
--- a/OpenRA.Mods.Common/Traits/Modifiers/HiddenUnderShroud.cs
+++ b/OpenRA.Mods.Common/Traits/Modifiers/HiddenUnderShroud.cs
@@ -15,8 +15,6 @@ using OpenRA.Traits;
 
 namespace OpenRA.Mods.Common.Traits
 {
-	public enum VisibilityType { Footprint, CenterPosition, GroundPosition }
-
 	[Desc("The actor stays invisible under the shroud.")]
 	public class HiddenUnderShroudInfo : ITraitInfo, IDefaultVisibilityInfo
 	{
diff --git a/OpenRA.Mods.Common/TraitsInterfaces.cs b/OpenRA.Mods.Common/TraitsInterfaces.cs
index 405ba38190..9a003670d4 100644
--- a/OpenRA.Mods.Common/TraitsInterfaces.cs
+++ b/OpenRA.Mods.Common/TraitsInterfaces.cs
@@ -19,6 +19,8 @@ using OpenRA.Traits;
 
 namespace OpenRA.Mods.Common.Traits
 {
+	public enum VisibilityType { Footprint, CenterPosition, GroundPosition }
+
 	public enum AttackDelayType { Preparation, Attack }
 
 	public interface IQuantizeBodyOrientationInfo : ITraitInfo