diff --git a/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj b/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
index 65a2c67cd1..9469a2008a 100644
--- a/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
+++ b/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
@@ -106,10 +106,13 @@
     <Compile Include="Scripting\Properties\PowerProperties.cs" />
     <Compile Include="Scripting\Properties\ResourceProperties.cs" />
     <Compile Include="Scripting\Properties\UpgradeProperties.cs" />
+    <Compile Include="Traits\AppearsOnRadar.cs" />
     <Compile Include="Traits\BlocksBullets.cs" />
     <Compile Include="Traits\Buildable.cs" />
     <Compile Include="Traits\Buildings\BaseProvider.cs" />
     <Compile Include="Traits\Buildings\DeadBuildingState.cs" />
+    <Compile Include="Traits\Buildings\LineBuild.cs" />
+    <Compile Include="Traits\Buildings\LineBuildNode.cs" />
     <Compile Include="Traits\Buildings\RallyPoint.cs" />
     <Compile Include="Traits\Burns.cs" />
     <Compile Include="Traits\CustomBuildTimeValue.cs" />
@@ -141,6 +144,7 @@
     <Compile Include="Traits\Power\RequiresPower.cs" />
     <Compile Include="Traits\Power\ScalePowerWithHealth.cs" />
     <Compile Include="Traits\ProvidesRadar.cs" />
+    <Compile Include="Traits\RadarColorFromTerrain.cs" />
     <Compile Include="Traits\Render\RenderEditorOnly.cs" />
     <Compile Include="Traits\Render\RenderFlare.cs" />
     <Compile Include="Traits\Render\RenderNameTag.cs" />
diff --git a/OpenRA.Mods.RA/AppearsOnRadar.cs b/OpenRA.Mods.Common/Traits/AppearsOnRadar.cs
old mode 100755
new mode 100644
similarity index 97%
rename from OpenRA.Mods.RA/AppearsOnRadar.cs
rename to OpenRA.Mods.Common/Traits/AppearsOnRadar.cs
index 43ab194a2c..d0c5af178b
--- a/OpenRA.Mods.RA/AppearsOnRadar.cs
+++ b/OpenRA.Mods.Common/Traits/AppearsOnRadar.cs
@@ -13,7 +13,7 @@ using System.Drawing;
 using System.Linq;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA
+namespace OpenRA.Mods.Common.Traits
 {
 	public class AppearsOnRadarInfo : ITraitInfo
 	{
diff --git a/OpenRA.Mods.RA/Buildings/LineBuild.cs b/OpenRA.Mods.Common/Traits/Buildings/LineBuild.cs
old mode 100755
new mode 100644
similarity index 95%
rename from OpenRA.Mods.RA/Buildings/LineBuild.cs
rename to OpenRA.Mods.Common/Traits/Buildings/LineBuild.cs
index bce05a7e88..f7104f600b
--- a/OpenRA.Mods.RA/Buildings/LineBuild.cs
+++ b/OpenRA.Mods.Common/Traits/Buildings/LineBuild.cs
@@ -10,7 +10,7 @@
 
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA.Buildings
+namespace OpenRA.Mods.Common.Traits
 {
 	[Desc("Place the second actor in line to build more of the same at once (used for walls).")]
 	public class LineBuildInfo : TraitInfo<LineBuild>
diff --git a/OpenRA.Mods.RA/Buildings/LineBuildNode.cs b/OpenRA.Mods.Common/Traits/Buildings/LineBuildNode.cs
similarity index 94%
rename from OpenRA.Mods.RA/Buildings/LineBuildNode.cs
rename to OpenRA.Mods.Common/Traits/Buildings/LineBuildNode.cs
index e03d1610bd..4beee488f3 100644
--- a/OpenRA.Mods.RA/Buildings/LineBuildNode.cs
+++ b/OpenRA.Mods.Common/Traits/Buildings/LineBuildNode.cs
@@ -10,7 +10,7 @@
 
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA.Buildings
+namespace OpenRA.Mods.Common.Traits
 {
 	[Desc("LineBuild actors attach to LineBuildNodes.")]
 	public class LineBuildNodeInfo : TraitInfo<LineBuildNode>
diff --git a/OpenRA.Mods.RA/RadarColorFromTerrain.cs b/OpenRA.Mods.Common/Traits/RadarColorFromTerrain.cs
similarity index 96%
rename from OpenRA.Mods.RA/RadarColorFromTerrain.cs
rename to OpenRA.Mods.Common/Traits/RadarColorFromTerrain.cs
index a8541cbe5b..f3c3ba9f9b 100644
--- a/OpenRA.Mods.RA/RadarColorFromTerrain.cs
+++ b/OpenRA.Mods.Common/Traits/RadarColorFromTerrain.cs
@@ -11,7 +11,7 @@
 using System.Drawing;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA
+namespace OpenRA.Mods.Common.Traits
 {
 	public class RadarColorFromTerrainInfo : ITraitInfo
 	{
diff --git a/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj b/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
index c72a2168bc..6f65e2df47 100644
--- a/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
+++ b/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
@@ -141,7 +141,6 @@
     <Compile Include="EjectOnDeath.cs" />
     <Compile Include="AI\RushFuzzy.cs" />
     <Compile Include="AI\StateMachine.cs" />
-    <Compile Include="AppearsOnRadar.cs" />
     <Compile Include="Traits\AttackMove.cs" />
     <Compile Include="Attack\AttackBase.cs" />
     <Compile Include="Attack\AttackFrontal.cs" />
@@ -157,7 +156,6 @@
     <Compile Include="Buildings\Building.cs" />
     <Compile Include="Buildings\BuildingInfluence.cs" />
     <Compile Include="Buildings\FootprintUtils.cs" />
-    <Compile Include="Buildings\LineBuild.cs" />
     <Compile Include="Buildings\RepairableBuilding.cs" />
     <Compile Include="Buildings\Util.cs" />
     <Compile Include="Scripting\Properties\RepairableBuildingProperties.cs" />
@@ -229,7 +227,6 @@
     <Compile Include="ProductionBar.cs" />
     <Compile Include="ProximityCaptor.cs" />
     <Compile Include="ProximityCapturable.cs" />
-    <Compile Include="RadarColorFromTerrain.cs" />
     <Compile Include="Reloads.cs" />
     <Compile Include="RenderDetectionCircle.cs" />
     <Compile Include="RenderJammerCircle.cs" />
@@ -371,7 +368,6 @@
     <Compile Include="Widgets\Logic\LobbyMapPreviewLogic.cs" />
     <Compile Include="Orders\BeaconOrderGenerator.cs" />
     <Compile Include="Widgets\Logic\ControlGroupLogic.cs" />
-    <Compile Include="Buildings\LineBuildNode.cs" />
     <Compile Include="Scripting\Global\ReinforcementsGlobal.cs" />
     <Compile Include="Scripting\Properties\ProductionProperties.cs" />
     <Compile Include="Scripting\Properties\MissionObjectiveProperties.cs" />
@@ -479,4 +475,4 @@ copy "FuzzyLogicLibrary.dll" "$(SolutionDir)"
 cd "$(SolutionDir)"</PostBuildEvent>
   </PropertyGroup>
   <ItemGroup />
-</Project>
\ No newline at end of file
+</Project>
diff --git a/OpenRA.Mods.RA/Orders/PlaceBuildingOrderGenerator.cs b/OpenRA.Mods.RA/Orders/PlaceBuildingOrderGenerator.cs
index 9659ca659b..595df40712 100644
--- a/OpenRA.Mods.RA/Orders/PlaceBuildingOrderGenerator.cs
+++ b/OpenRA.Mods.RA/Orders/PlaceBuildingOrderGenerator.cs
@@ -14,6 +14,7 @@ using System.Linq;
 using OpenRA.Graphics;
 using OpenRA.Mods.Common;
 using OpenRA.Mods.Common.Graphics;
+using OpenRA.Mods.Common.Traits;
 using OpenRA.Mods.RA.Buildings;
 using OpenRA.Mods.RA.Render;
 using OpenRA.Mods.RA.Traits;