diff --git a/Solver/ActionSet.cs b/Solver/ActionSet.cs
index 24b135d..b7cc97d 100644
--- a/Solver/ActionSet.cs
+++ b/Solver/ActionSet.cs
@@ -9,7 +9,7 @@ public struct ActionSet
 {
     private uint bits;
 
-    public static readonly ActionType[] AcceptedActions = new[]
+    internal static ReadOnlySpan<ActionType> AcceptedActions => new[]
     {
         ActionType.StandardTouchCombo,
         ActionType.AdvancedTouchCombo,
diff --git a/Solver/Craftimizer.Solver.csproj b/Solver/Craftimizer.Solver.csproj
index bf16279..eaea55b 100644
--- a/Solver/Craftimizer.Solver.csproj
+++ b/Solver/Craftimizer.Solver.csproj
@@ -20,6 +20,12 @@
     <ProjectReference Include="..\Simulator\Craftimizer.Simulator.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <AssemblyAttribute Include="System.Runtime.CompilerServices.InternalsVisibleToAttribute">
+      <_Parameter1>Craftimizer.Test</_Parameter1>
+    </AssemblyAttribute>
+  </ItemGroup>
+
   <PropertyGroup Condition="'$(IS_BENCH)'=='1'">
     <DefineConstants>$(DefineConstants);IS_DETERMINISTIC</DefineConstants>
   </PropertyGroup>
diff --git a/Test/Solver/ActionSet.cs b/Test/Solver/ActionSet.cs
index 0f4c9df..fd8c8a1 100644
--- a/Test/Solver/ActionSet.cs
+++ b/Test/Solver/ActionSet.cs
@@ -1,5 +1,3 @@
-using Craftimizer.Simulator.Actions;
-
 namespace Craftimizer.Test.Solver;
 
 [TestClass]
diff --git a/Test/Usings.cs b/Test/Usings.cs
index da624f8..c58173e 100644
--- a/Test/Usings.cs
+++ b/Test/Usings.cs
@@ -1,3 +1,4 @@
 global using Microsoft.VisualStudio.TestTools.UnitTesting;
 global using Craftimizer.Solver;
 global using Craftimizer.Simulator;
+global using Craftimizer.Simulator.Actions;