diff --git a/OpenRA.Mods.RA/Activities/RepairBridge.cs b/OpenRA.Mods.Common/Activities/RepairBridge.cs
similarity index 90%
rename from OpenRA.Mods.RA/Activities/RepairBridge.cs
rename to OpenRA.Mods.Common/Activities/RepairBridge.cs
index e916eee3f2..f2be9db852 100644
--- a/OpenRA.Mods.RA/Activities/RepairBridge.cs
+++ b/OpenRA.Mods.Common/Activities/RepairBridge.cs
@@ -8,11 +8,10 @@
  */
 #endregion
 
-using OpenRA.Mods.Common.Activities;
-using OpenRA.Mods.RA.Traits;
+using OpenRA.Mods.Common.Traits;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA.Activities
+namespace OpenRA.Mods.Common.Activities
 {
 	class RepairBridge : Enter
 	{
diff --git a/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj b/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
index 779933ec0b..4fcb332309 100644
--- a/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
+++ b/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
@@ -85,6 +85,7 @@
     <Compile Include="Activities\Rearm.cs" />
     <Compile Include="Activities\RemoveSelf.cs" />
     <Compile Include="Activities\Repair.cs" />
+    <Compile Include="Activities\RepairBridge.cs" />
     <Compile Include="Activities\RepairBuilding.cs" />
     <Compile Include="Activities\Sell.cs" />
     <Compile Include="Activities\SimpleTeleport.cs" />
@@ -177,6 +178,8 @@
     <Compile Include="Traits\Buildings\BaseBuilding.cs" />
     <Compile Include="Traits\Buildings\BaseProvider.cs" />
     <Compile Include="Traits\Buildings\Bib.cs" />
+    <Compile Include="Traits\Buildings\Bridge.cs" />
+    <Compile Include="Traits\Buildings\BridgeHut.cs" />
     <Compile Include="Traits\Buildings\Building.cs" />
     <Compile Include="Traits\Buildings\BuildingInfluence.cs" />
     <Compile Include="Traits\Buildings\BuildingUtils.cs" />
@@ -277,6 +280,7 @@
     <Compile Include="Traits\Render\WithShadow.cs" />
     <Compile Include="Traits\Render\WithSmoke.cs" />
     <Compile Include="Traits\Render\WithTurret.cs" />
+    <Compile Include="Traits\RepairsBridges.cs" />
     <Compile Include="Traits\SeedsResource.cs" />
     <Compile Include="Traits\StoresResources.cs" />
     <Compile Include="Traits\SelfHealing.cs" />
@@ -296,6 +300,7 @@
     <Compile Include="Traits\Upgrades\UpgradeManager.cs" />
     <Compile Include="Traits\Valued.cs" />
     <Compile Include="Traits\Wanders.cs" />
+    <Compile Include="Traits\World\BridgeLayer.cs" />
     <Compile Include="Traits\World\CreateMPPlayers.cs" />
     <Compile Include="Traits\World\DomainIndex.cs" />
     <Compile Include="Traits\World\LoadWidgetAtGameStart.cs" />
diff --git a/OpenRA.Mods.RA/Traits/Buildings/Bridge.cs b/OpenRA.Mods.Common/Traits/Buildings/Bridge.cs
similarity index 99%
rename from OpenRA.Mods.RA/Traits/Buildings/Bridge.cs
rename to OpenRA.Mods.Common/Traits/Buildings/Bridge.cs
index 294e113a9c..c48e2ce27f 100644
--- a/OpenRA.Mods.RA/Traits/Buildings/Bridge.cs
+++ b/OpenRA.Mods.Common/Traits/Buildings/Bridge.cs
@@ -12,13 +12,11 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using OpenRA.Effects;
-using OpenRA.GameRules;
 using OpenRA.Graphics;
-using OpenRA.Mods.Common.Traits;
 using OpenRA.Primitives;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA.Traits
+namespace OpenRA.Mods.Common.Traits
 {
 	class BridgeInfo : ITraitInfo, Requires<HealthInfo>, Requires<BuildingInfo>
 	{
diff --git a/OpenRA.Mods.RA/Traits/Buildings/BridgeHut.cs b/OpenRA.Mods.Common/Traits/Buildings/BridgeHut.cs
similarity index 95%
rename from OpenRA.Mods.RA/Traits/Buildings/BridgeHut.cs
rename to OpenRA.Mods.Common/Traits/Buildings/BridgeHut.cs
index c8749909c3..678ca0bf6d 100644
--- a/OpenRA.Mods.RA/Traits/Buildings/BridgeHut.cs
+++ b/OpenRA.Mods.Common/Traits/Buildings/BridgeHut.cs
@@ -8,12 +8,10 @@
  */
 #endregion
 
-using System;
 using System.Linq;
-using OpenRA.Mods.Common.Traits;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA.Traits
+namespace OpenRA.Mods.Common.Traits
 {
 	[Desc("Allows bridges to be targeted for demolition and repair.")]
 	class BridgeHutInfo : IDemolishableInfo, ITraitInfo
diff --git a/OpenRA.Mods.RA/Traits/RepairsBridges.cs b/OpenRA.Mods.Common/Traits/RepairsBridges.cs
similarity index 97%
rename from OpenRA.Mods.RA/Traits/RepairsBridges.cs
rename to OpenRA.Mods.Common/Traits/RepairsBridges.cs
index 2d6fbaa349..d3bcd9794f 100644
--- a/OpenRA.Mods.RA/Traits/RepairsBridges.cs
+++ b/OpenRA.Mods.Common/Traits/RepairsBridges.cs
@@ -10,11 +10,11 @@
 
 using System.Collections.Generic;
 using System.Drawing;
+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("Can enter a BridgeHut to trigger a repair.")]
 	class RepairsBridgesInfo : TraitInfo<RepairsBridges> { }
diff --git a/OpenRA.Mods.RA/Traits/World/BridgeLayer.cs b/OpenRA.Mods.Common/Traits/World/BridgeLayer.cs
similarity index 98%
rename from OpenRA.Mods.RA/Traits/World/BridgeLayer.cs
rename to OpenRA.Mods.Common/Traits/World/BridgeLayer.cs
index fa8c094d0b..6c8d663b35 100644
--- a/OpenRA.Mods.RA/Traits/World/BridgeLayer.cs
+++ b/OpenRA.Mods.Common/Traits/World/BridgeLayer.cs
@@ -14,7 +14,7 @@ using OpenRA.Graphics;
 using OpenRA.Primitives;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA.Traits
+namespace OpenRA.Mods.Common.Traits
 {
 	class BridgeLayerInfo : ITraitInfo
 	{
diff --git a/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj b/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
index c6db94d7f3..4a37483d54 100644
--- a/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
+++ b/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
@@ -175,8 +175,6 @@
     <Compile Include="SupportPowers\SupportPowerChargeBar.cs" />
     <Compile Include="SupportPowers\SupportPowerManager.cs" />
     <Compile Include="TraitsInterfaces.cs" />
-    <Compile Include="Traits\Buildings\Bridge.cs" />
-    <Compile Include="Traits\Buildings\BridgeHut.cs" />
     <Compile Include="Traits\Buildings\Fake.cs" />
     <Compile Include="Traits\Buildings\OreRefinery.cs" />
     <Compile Include="Traits\Buildings\PrimaryBuilding.cs" />
@@ -184,9 +182,7 @@
     <Compile Include="Traits\Harvester.cs" />
     <Compile Include="Traits\HarvesterHuskModifier.cs" />
     <Compile Include="Traits\LeavesHusk.cs" />
-    <Compile Include="Traits\RepairsBridges.cs" />
     <Compile Include="Traits\TargetableSubmarine.cs" />
-    <Compile Include="Traits\World\BridgeLayer.cs" />
     <Compile Include="TransformOnCapture.cs" />
     <Compile Include="TransformOnPassenger.cs" />
     <Compile Include="Transforms.cs" />
@@ -228,7 +224,6 @@
     <Compile Include="Traits\Infiltration\InfiltrateForSupportPower.cs" />
     <Compile Include="Traits\Infiltration\Infiltrates.cs" />
     <Compile Include="Widgets\Logic\ObserverShroudSelectorLogic.cs" />
-    <Compile Include="Activities\RepairBridge.cs" />
     <Compile Include="Lint\CheckSequences.cs" />
     <Compile Include="Widgets\Logic\SpawnSelectorTooltipLogic.cs" />
     <Compile Include="Widgets\Logic\ClientTooltipLogic.cs" />
@@ -344,5 +339,4 @@ cd "$(SolutionDir)thirdparty/"
 copy "FuzzyLogicLibrary.dll" "$(SolutionDir)"
 cd "$(SolutionDir)"</PostBuildEvent>
   </PropertyGroup>
-  <ItemGroup />
 </Project>
\ No newline at end of file