diff --git a/pytorch3d/csrc/iou_box3d/iou_box3d_cpu.cpp b/pytorch3d/csrc/iou_box3d/iou_box3d_cpu.cpp
index 957d3acc..14310ada 100644
--- a/pytorch3d/csrc/iou_box3d/iou_box3d_cpu.cpp
+++ b/pytorch3d/csrc/iou_box3d/iou_box3d_cpu.cpp
@@ -7,7 +7,6 @@
  */
 
 #include <torch/extension.h>
-#include <list>
 #include <tuple>
 #include "iou_box3d/iou_utils.h"