diff --git a/ProjectLighthouse.Servers.GameServer/Helpers/GameResourceHelper.cs b/ProjectLighthouse.Servers.GameServer/Helpers/GameResourceHelper.cs
index ede5977b..3932724e 100644
--- a/ProjectLighthouse.Servers.GameServer/Helpers/GameResourceHelper.cs
+++ b/ProjectLighthouse.Servers.GameServer/Helpers/GameResourceHelper.cs
@@ -1,5 +1,4 @@
-using System.Collections.Immutable;
-using LBPUnion.ProjectLighthouse.Files;
+using LBPUnion.ProjectLighthouse.Files;
 using LBPUnion.ProjectLighthouse.Logging;
 using LBPUnion.ProjectLighthouse.Types.Logging;
 using LBPUnion.ProjectLighthouse.Types.Resources;
@@ -8,11 +7,10 @@ namespace LBPUnion.ProjectLighthouse.Servers.GameServer.Helpers;
 
 public static class GameResourceHelper
 {
-    private static readonly ImmutableList<string> textureGuids = ImmutableList<string>.Empty;
+    private static readonly HashSet<string> textureGuids = new();
 
     static GameResourceHelper()
     {
-        List<string> guids = new();
         using Stream? guidStream = typeof(GameResourceHelper).Assembly.GetManifestResourceStream("LBPUnion.ProjectLighthouse.Servers.GameServer.textureGuids.txt");
         if (guidStream == null)
         {
@@ -26,21 +24,17 @@ public static class GameResourceHelper
             string? guid = reader.ReadLine();
             if (guid == null) continue;
 
-            guids.Add(guid);
+            textureGuids.Add(guid);
         }
-        textureGuids = ImmutableList.Create(guids.ToArray());
     }
 
     public static bool IsValidTexture(string resource)
     {
         if (!FileHelper.IsResourceValid(resource)) return false;
 
-        if (resource.StartsWith("g"))
-        {
-            return textureGuids.Contains(resource[1..]);
-        }
+        if (resource.StartsWith("g")) return textureGuids.Contains(resource[1..]);
 
-        return LbpFile.FromHash(resource)?.FileType is LbpFileType.Png or LbpFileType.Jpeg or LbpFileType.Plan
-            or LbpFileType.Painting or LbpFileType.Texture;
+        return LbpFile.FromHash(resource)?.FileType is LbpFileType.Png or LbpFileType.Jpeg or LbpFileType.Painting
+            or LbpFileType.Texture;
     }
 }
\ No newline at end of file