diff --git a/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj b/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
index d188a035c1..4fc02caee2 100644
--- a/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
+++ b/OpenRA.Mods.RA/OpenRA.Mods.RA.csproj
@@ -465,6 +465,7 @@
     <Compile Include="Buildings\Bib.cs" />
     <Compile Include="Orders\EnterAlliedActorTargeter.cs" />
     <Compile Include="Render\WithIdleOverlay.cs" />
+    <Compile Include="Tooltip.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\OpenRA.FileFormats\OpenRA.FileFormats.csproj">
diff --git a/OpenRA.Mods.RA/Tooltip.cs b/OpenRA.Mods.RA/Tooltip.cs
new file mode 100644
index 0000000000..c7f5788e69
--- /dev/null
+++ b/OpenRA.Mods.RA/Tooltip.cs
@@ -0,0 +1,41 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2013 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using OpenRA.FileFormats;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.RA
+{
+	[Desc("Shown in the build palette widget.")]
+	public class TooltipInfo : ITraitInfo
+	{
+		public readonly string Description = "";
+		public readonly string Name = "";
+		[Desc("Defaults to actor name + icon suffix.")]
+		public readonly string Icon = null;
+
+		public virtual object Create(ActorInitializer init) { return new Tooltip(init.self, this); }
+	}
+
+	public class Tooltip : IToolTip
+	{
+		Actor self;
+		TooltipInfo Info;
+
+		public string Name() { return Info.Name; }
+		public Player Owner() { return self.Owner; }
+
+		public Tooltip(Actor self, TooltipInfo info)
+		{
+			this.self = self;
+			Info = info;
+		}
+	}
+}
\ No newline at end of file
diff --git a/OpenRA.Mods.RA/Valued.cs b/OpenRA.Mods.RA/Valued.cs
index 483c6cc23b..50fab488d9 100755
--- a/OpenRA.Mods.RA/Valued.cs
+++ b/OpenRA.Mods.RA/Valued.cs
@@ -21,30 +21,4 @@ namespace OpenRA.Mods.RA
 	}
 
 	public class Valued { }
-
-	[Desc("Shown in the build palette widget.")]
-	public class TooltipInfo : ITraitInfo
-	{
-		public readonly string Description = "";
-		public readonly string Name = "";
-		[Desc("Defaults to actor name + icon suffix.")]
-		public readonly string Icon = null;
-
-		public virtual object Create(ActorInitializer init) { return new Tooltip(init.self, this); }
-	}
-
-	public class Tooltip : IToolTip
-	{
-		Actor self;
-		TooltipInfo Info;
-
-		public string Name() { return Info.Name; }
-		public Player Owner() { return self.Owner; }
-
-		public Tooltip(Actor self, TooltipInfo info)
-		{
-			this.self = self;
-			Info = info;
-		}
-	}
 }