diff --git a/fmm_2d_triangle/fmm_2d_triangle.cpp b/fmm_2d_triangle/fmm_2d_triangle.cpp
index 24cd26f..1cab3d7 100644
--- a/fmm_2d_triangle/fmm_2d_triangle.cpp
+++ b/fmm_2d_triangle/fmm_2d_triangle.cpp
@@ -468,7 +468,6 @@ void FMM_2D_TRIANGLE::CalculateSolution()
 		local_update(nodes_ptr_[i]);
 	}
 
-	gctl::heap_sort<vertex*> time_sorter;
 	//marching forward and updating the close nodes set
 	while (!nodes_ptr_.empty())
 	{