diff --git a/hexworld/HexRender.cs b/hexworld/HexRender.cs
index faa9103..d8d4889 100644
--- a/hexworld/HexRender.cs
+++ b/hexworld/HexRender.cs
@@ -17,8 +17,6 @@ namespace hexworld
     {
         private Program pgm;
 
-        // todo: generate texture atlas
-        // or at least embed sub-uvs and materials into json
         private Texture grass;
 
         private Texture stone;
diff --git a/hexworld/Util/Texture.cs b/hexworld/Util/Texture.cs
index 12f21c0..71b5e9e 100644
--- a/hexworld/Util/Texture.cs
+++ b/hexworld/Util/Texture.cs
@@ -10,8 +10,6 @@ using PixelFormat = OpenTK.Graphics.OpenGL4.PixelFormat;
 
 namespace hexworld.Util
 {
-    // todo: this structure doesn't fit GL at all. need to fix it.
-    // need to reconcile ActiveTexture and BindTexture
     public class Texture : GLObject
     {
         public TextureTarget Target;
diff --git a/hexworld/Util/VBO.cs b/hexworld/Util/VBO.cs
index 8f52ba1..0a237cb 100644
--- a/hexworld/Util/VBO.cs
+++ b/hexworld/Util/VBO.cs
@@ -36,7 +36,6 @@ namespace hexworld.Util
             VBO.Unbind();
         }
 
-        // todo: this needs a better solution.
         private static readonly int Stride;
         private static readonly VertexPointerAttribute[] Attributes;