diff --git a/OpenRA.Mods.RA/Activities/ExternalCaptureActor.cs b/OpenRA.Mods.Common/Activities/ExternalCaptureActor.cs
similarity index 95%
rename from OpenRA.Mods.RA/Activities/ExternalCaptureActor.cs
rename to OpenRA.Mods.Common/Activities/ExternalCaptureActor.cs
index c77a412f23..ace8a01f15 100644
--- a/OpenRA.Mods.RA/Activities/ExternalCaptureActor.cs
+++ b/OpenRA.Mods.Common/Activities/ExternalCaptureActor.cs
@@ -10,12 +10,10 @@
 
 using OpenRA.Activities;
 using OpenRA.Effects;
-using OpenRA.Mods.Common.Activities;
 using OpenRA.Mods.Common.Traits;
-using OpenRA.Mods.RA.Traits;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA.Activities
+namespace OpenRA.Mods.Common.Activities
 {
 	class ExternalCaptureActor : Activity
 	{
diff --git a/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj b/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
index b329e3b195..a37fc65ae2 100644
--- a/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
+++ b/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
@@ -74,6 +74,7 @@
     <Compile Include="Activities\Attack.cs" />
     <Compile Include="Activities\Enter.cs" />
     <Compile Include="Activities\EnterTransport.cs" />
+    <Compile Include="Activities\ExternalCaptureActor.cs" />
     <Compile Include="Activities\Heal.cs" />
     <Compile Include="Activities\Hunt.cs" />
     <Compile Include="Activities\Move\AttackMoveActivity.cs" />
@@ -201,6 +202,9 @@
     <Compile Include="Traits\CashTrickler.cs" />
     <Compile Include="Traits\Cloak.cs" />
     <Compile Include="Traits\Crushable.cs" />
+    <Compile Include="Traits\ExternalCapturable.cs" />
+    <Compile Include="Traits\ExternalCapturableBar.cs" />
+    <Compile Include="Traits\ExternalCaptures.cs" />
     <Compile Include="Traits\IgnoresDisguise.cs" />
     <Compile Include="Traits\DetectCloaked.cs" />
     <Compile Include="Traits\EngineerRepair.cs" />
diff --git a/OpenRA.Mods.RA/ExternalCapturable.cs b/OpenRA.Mods.Common/Traits/ExternalCapturable.cs
similarity index 97%
rename from OpenRA.Mods.RA/ExternalCapturable.cs
rename to OpenRA.Mods.Common/Traits/ExternalCapturable.cs
index 658f1d9ec2..2ce38578c8 100644
--- a/OpenRA.Mods.RA/ExternalCapturable.cs
+++ b/OpenRA.Mods.Common/Traits/ExternalCapturable.cs
@@ -9,10 +9,9 @@
 #endregion
 
 using System.Linq;
-using OpenRA.Mods.Common.Traits;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA.Traits
+namespace OpenRA.Mods.Common.Traits
 {
 	[Desc("This actor can be captured by a unit with ExternalCaptures: trait.")]
 	public class ExternalCapturableInfo : ITraitInfo
diff --git a/OpenRA.Mods.RA/ExternalCapturableBar.cs b/OpenRA.Mods.Common/Traits/ExternalCapturableBar.cs
similarity index 96%
rename from OpenRA.Mods.RA/ExternalCapturableBar.cs
rename to OpenRA.Mods.Common/Traits/ExternalCapturableBar.cs
index 1884196d2b..cea82c2500 100644
--- a/OpenRA.Mods.RA/ExternalCapturableBar.cs
+++ b/OpenRA.Mods.Common/Traits/ExternalCapturableBar.cs
@@ -11,7 +11,7 @@
 using System.Drawing;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA.Traits
+namespace OpenRA.Mods.Common.Traits
 {
 	[Desc("Visualize the remaining CaptureCompleteTime from ExternalCapturable: trait.")]
 	class ExternalCapturableBarInfo : ITraitInfo, Requires<ExternalCapturableInfo>
diff --git a/OpenRA.Mods.RA/ExternalCaptures.cs b/OpenRA.Mods.Common/Traits/ExternalCaptures.cs
similarity index 97%
rename from OpenRA.Mods.RA/ExternalCaptures.cs
rename to OpenRA.Mods.Common/Traits/ExternalCaptures.cs
index f095578495..1e1e562728 100644
--- a/OpenRA.Mods.RA/ExternalCaptures.cs
+++ b/OpenRA.Mods.Common/Traits/ExternalCaptures.cs
@@ -10,12 +10,11 @@
 
 using System.Collections.Generic;
 using System.Drawing;
-using OpenRA.Mods.Common;
+using OpenRA.Mods.Common.Activities;
 using OpenRA.Mods.Common.Orders;
-using OpenRA.Mods.RA.Activities;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA.Traits
+namespace OpenRA.Mods.Common.Traits
 {
 	[Desc("This actor can capture other actors which have the ExternalCapturable: trait.")]
 	class ExternalCapturesInfo : ITraitInfo
diff --git a/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj b/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
index cf7ecbe72b..9129df9763 100644
--- a/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
+++ b/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
@@ -84,7 +84,6 @@
     <Compile Include="AI\HackyAI.cs" />
     <Compile Include="Render\WithIdleOverlay.cs" />
     <Compile Include="Traits\AcceptsSupplies.cs" />
-    <Compile Include="Activities\ExternalCaptureActor.cs" />
     <Compile Include="Activities\DeliverResources.cs" />
     <Compile Include="Activities\Demolish.cs" />
     <Compile Include="Activities\DonateSupplies.cs" />
@@ -108,10 +107,7 @@
     <Compile Include="CaptureNotification.cs" />
     <Compile Include="Scripting\Properties\RepairableBuildingProperties.cs" />
     <Compile Include="C4Demolition.cs" />
-    <Compile Include="ExternalCapturable.cs" />
-    <Compile Include="ExternalCapturableBar.cs" />
     <Compile Include="Capturable.cs" />
-    <Compile Include="ExternalCaptures.cs" />
     <Compile Include="Traits\PaletteEffects\ChronoshiftPaletteEffect.cs" />
     <Compile Include="Traits\Chronoshiftable.cs" />
     <Compile Include="CrateSpawner.cs" />