diff --git a/MeshLib/MeshGenerators/VtkMeshConverter.h b/MeshLib/MeshGenerators/VtkMeshConverter.h
index 56baf4ee1709e6f45fcb9d78e26d143c1d5db3ff..5d62857565984b1d9c708276fc94af26619b3317 100644
--- a/MeshLib/MeshGenerators/VtkMeshConverter.h
+++ b/MeshLib/MeshGenerators/VtkMeshConverter.h
@@ -80,7 +80,6 @@ private:
 		for (std::size_t i = 0; i < imgHeight; i++)
 			for (std::size_t j = 0; j < imgWidth; j++)
 			{
-				std::size_t const idx (i*imgWidth+j);
 				if (!pix_vis[i*imgWidth+j])
 					continue;
 				T val (static_cast<T>(pix_val[i*(imgWidth+1)+j]));