diff --git a/src/DotRecast.Recast.Toolset/Builder/SoloNavMeshBuilder.cs b/src/DotRecast.Recast.Toolset/Builder/SoloNavMeshBuilder.cs
index ced313d..71d2c0f 100644
--- a/src/DotRecast.Recast.Toolset/Builder/SoloNavMeshBuilder.cs
+++ b/src/DotRecast.Recast.Toolset/Builder/SoloNavMeshBuilder.cs
@@ -87,8 +87,8 @@ namespace DotRecast.Recast.Toolset.Builder
                     result.TileX,
                     result.TileZ,
                     null,
-                    result.CompactHeightfield,
-                    result.ContourSet,
+                    null,
+                    null,
                     result.Mesh,
                     result.MeshDetail,
                     result.Context
diff --git a/src/DotRecast.Recast/RcBuilder.cs b/src/DotRecast.Recast/RcBuilder.cs
index 5583f42..8cad533 100644
--- a/src/DotRecast.Recast/RcBuilder.cs
+++ b/src/DotRecast.Recast/RcBuilder.cs
@@ -144,8 +144,8 @@ namespace DotRecast.Recast
                     result.TileX,
                     result.TileZ,
                     null,
-                    result.CompactHeightfield,
-                    result.ContourSet,
+                    null,
+                    null,
                     result.Mesh,
                     result.MeshDetail,
                     result.Context