diff --git a/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj b/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
index c687c7e184..4edd76a40f 100644
--- a/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
+++ b/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
@@ -82,9 +82,14 @@
     <Compile Include="ServerTraits\ColorValidator.cs" />
     <Compile Include="ServerTraits\MasterServerPinger.cs" />
     <Compile Include="ServerTraits\PlayerPinger.cs" />
+    <Compile Include="Traits\BlocksBullets.cs" />
     <Compile Include="Traits\JamsMissiles.cs" />
     <Compile Include="Traits\ProvidesRadar.cs" />
     <Compile Include="Traits\Render\RenderSprites.cs" />
+    <Compile Include="Traits\Sound\ActorLostNotification.cs" />
+    <Compile Include="Traits\Sound\AnnounceOnBuild.cs" />
+    <Compile Include="Traits\Sound\AnnounceOnKill.cs" />
+    <Compile Include="Traits\Sound\DeathSounds.cs" />
     <Compile Include="UtilityCommands\ConvertPngToShpCommand.cs" />
     <Compile Include="UtilityCommands\ConvertSpriteToPngCommand.cs" />
     <Compile Include="UtilityCommands\ExtractFilesCommand.cs" />
diff --git a/OpenRA.Mods.RA/BlocksBullets.cs b/OpenRA.Mods.Common/Traits/BlocksBullets.cs
similarity index 94%
rename from OpenRA.Mods.RA/BlocksBullets.cs
rename to OpenRA.Mods.Common/Traits/BlocksBullets.cs
index 0709b28e23..2dc94917f2 100644
--- a/OpenRA.Mods.RA/BlocksBullets.cs
+++ b/OpenRA.Mods.Common/Traits/BlocksBullets.cs
@@ -11,7 +11,7 @@
 using System.Linq;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA
+namespace OpenRA.Mods.Common.Traits
 {
 	//TODO: Add functionality like a customizable Height that is compared to projectile altitude
 	[Desc("This actor blocks bullets and missiles without 'High' property.")]
diff --git a/OpenRA.Mods.RA/ActorLostNotification.cs b/OpenRA.Mods.Common/Traits/Sound/ActorLostNotification.cs
similarity index 96%
rename from OpenRA.Mods.RA/ActorLostNotification.cs
rename to OpenRA.Mods.Common/Traits/Sound/ActorLostNotification.cs
index bf2e3b9633..7bf6746d83 100644
--- a/OpenRA.Mods.RA/ActorLostNotification.cs
+++ b/OpenRA.Mods.Common/Traits/Sound/ActorLostNotification.cs
@@ -10,7 +10,7 @@
 
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA
+namespace OpenRA.Mods.Common.Traits
 {
 	class ActorLostNotificationInfo : ITraitInfo
 	{
diff --git a/OpenRA.Mods.RA/AnnounceOnBuild.cs b/OpenRA.Mods.Common/Traits/Sound/AnnounceOnBuild.cs
similarity index 94%
rename from OpenRA.Mods.RA/AnnounceOnBuild.cs
rename to OpenRA.Mods.Common/Traits/Sound/AnnounceOnBuild.cs
index 68c25f0d19..180f7ea13c 100644
--- a/OpenRA.Mods.RA/AnnounceOnBuild.cs
+++ b/OpenRA.Mods.Common/Traits/Sound/AnnounceOnBuild.cs
@@ -10,7 +10,7 @@
 
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA
+namespace OpenRA.Mods.Common.Traits
 {
 	[Desc("Play the Build voice of this actor when trained.")]
 	public class AnnounceOnBuildInfo : TraitInfo<AnnounceOnBuild> { }
diff --git a/OpenRA.Mods.RA/AnnounceOnKill.cs b/OpenRA.Mods.Common/Traits/Sound/AnnounceOnKill.cs
similarity index 97%
rename from OpenRA.Mods.RA/AnnounceOnKill.cs
rename to OpenRA.Mods.Common/Traits/Sound/AnnounceOnKill.cs
index fc5ef1c245..d5ec7015af 100644
--- a/OpenRA.Mods.RA/AnnounceOnKill.cs
+++ b/OpenRA.Mods.Common/Traits/Sound/AnnounceOnKill.cs
@@ -10,7 +10,7 @@
 
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA
+namespace OpenRA.Mods.Common.Traits
 {
 	[Desc("Play the Kill voice of this actor when eliminating enemies.")]
 	public class AnnounceOnKillInfo : ITraitInfo
diff --git a/OpenRA.Mods.RA/DeathSounds.cs b/OpenRA.Mods.Common/Traits/Sound/DeathSounds.cs
similarity index 97%
rename from OpenRA.Mods.RA/DeathSounds.cs
rename to OpenRA.Mods.Common/Traits/Sound/DeathSounds.cs
index 7f7bf60435..f87bc59b4b 100644
--- a/OpenRA.Mods.RA/DeathSounds.cs
+++ b/OpenRA.Mods.Common/Traits/Sound/DeathSounds.cs
@@ -11,7 +11,7 @@
 using System.Linq;
 using OpenRA.Traits;
 
-namespace OpenRA.Mods.RA
+namespace OpenRA.Mods.Common.Traits
 {
 	[Desc("Sounds to play when killed.")]
 	public class DeathSoundsInfo : ITraitInfo
diff --git a/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj b/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
index 346f772b98..3c37b073ca 100644
--- a/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
+++ b/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
@@ -112,7 +112,6 @@
     <Compile Include="Activities\UnloadCargo.cs" />
     <Compile Include="Activities\Wait.cs" />
     <Compile Include="ActorExts.cs" />
-    <Compile Include="ActorLostNotification.cs" />
     <Compile Include="Air\Aircraft.cs" />
     <Compile Include="Air\AttackHeli.cs" />
     <Compile Include="Air\AttackPlane.cs" />
@@ -147,8 +146,6 @@
     <Compile Include="Air\TargetableAircraft.cs" />
     <Compile Include="AI\RushFuzzy.cs" />
     <Compile Include="AI\StateMachine.cs" />
-    <Compile Include="AnnounceOnBuild.cs" />
-    <Compile Include="AnnounceOnKill.cs" />
     <Compile Include="AppearsOnRadar.cs" />
     <Compile Include="AttackMove.cs" />
     <Compile Include="Attack\AttackBase.cs" />
@@ -182,7 +179,6 @@
     <Compile Include="Buildings\ShakeOnDeath.cs" />
     <Compile Include="Buildings\SoundOnDamageTransition.cs" />
     <Compile Include="Buildings\Util.cs" />
-    <Compile Include="BlocksBullets.cs" />
     <Compile Include="Burns.cs" />
     <Compile Include="C4Demolition.cs" />
     <Compile Include="ExternalCapturable.cs" />
@@ -209,7 +205,6 @@
     <Compile Include="Crates\SupportPowerCrateAction.cs" />
     <Compile Include="CreateMPPlayers.cs" />
     <Compile Include="Crushable.cs" />
-    <Compile Include="DeathSounds.cs" />
     <Compile Include="DemoTruck.cs" />
     <Compile Include="DetectCloaked.cs" />
     <Compile Include="Effects\GpsDot.cs" />
@@ -567,4 +562,4 @@ copy "FuzzyLogicLibrary.dll" "$(SolutionDir)"
 cd "$(SolutionDir)"</PostBuildEvent>
   </PropertyGroup>
   <ItemGroup />
-</Project>
\ No newline at end of file
+</Project>