diff --git a/det/yolox/data/datasets/hb_pbr.py b/det/yolox/data/datasets/hb_pbr.py
index 3324cca4fd2ca3b1c828758da4383a9e2b589f54..84b5646c1e7d6bcd6853a31a09067000a14cb829 100644
--- a/det/yolox/data/datasets/hb_pbr.py
+++ b/det/yolox/data/datasets/hb_pbr.py
@@ -190,7 +190,6 @@ class HB_PBR_Dataset:
                         self.dataset_root,
                         f"{scene_id:06d}/coor_backprj/{int_im_id:06d}_{anno_i:06d}.pkl",
                     )
-                    # assert osp.exists(xyz_path), xyz_path
                     inst = {
                         "category_id": cur_label,  # 0-based label
                         "bbox": bbox_obj,  # TODO: load both bbox_obj and bbox_visib
diff --git a/det/yolox/data/datasets/icbin_pbr.py b/det/yolox/data/datasets/icbin_pbr.py
index b51fee052064b1148263fd70252d8f845590cc75..0f6032540e41a46ae052dcdb7c08cf5d06ba213e 100644
--- a/det/yolox/data/datasets/icbin_pbr.py
+++ b/det/yolox/data/datasets/icbin_pbr.py
@@ -177,7 +177,6 @@ class ICBIN_PBR_Dataset:
                         self.xyz_root,
                         f"{scene_id:06d}/{int_im_id:06d}_{anno_i:06d}-xyz.pkl",
                     )
-                    assert osp.exists(xyz_path), xyz_path
 
                     inst = {
                         "category_id": cur_label,  # 0-based label
diff --git a/det/yolox/data/datasets/itodd_pbr.py b/det/yolox/data/datasets/itodd_pbr.py
index d0db0787d911a5a60304df69d013e782c1fe3d9a..96c3c41dba21b1b141dca75429d817ea497de8bc 100644
--- a/det/yolox/data/datasets/itodd_pbr.py
+++ b/det/yolox/data/datasets/itodd_pbr.py
@@ -186,7 +186,6 @@ class ITODD_PBR_Dataset:
                         self.xyz_root,
                         f"{scene_id:06d}/{int_im_id:06d}_{anno_i:06d}-xyz.pkl",
                     )
-                    # assert osp.exists(xyz_path), xyz_path
                     inst = {
                         "category_id": cur_label,  # 0-based label
                         "bbox": bbox_obj,  # TODO: load both bbox_obj and bbox_visib
diff --git a/det/yolox/data/datasets/lm_pbr.py b/det/yolox/data/datasets/lm_pbr.py
index 9f42489c60e6b2b71fa486aaad86f145f4befb46..c1141c9c80c262181d4f9db63b1166c7c5cc4f57 100644
--- a/det/yolox/data/datasets/lm_pbr.py
+++ b/det/yolox/data/datasets/lm_pbr.py
@@ -186,7 +186,6 @@ class LM_PBR_Dataset:
                         self.xyz_root,
                         f"{scene_id:06d}/{int_im_id:06d}_{anno_i:06d}-xyz.pkl",
                     )
-                    assert osp.exists(xyz_path), xyz_path
                     inst = {
                         "category_id": cur_label,  # 0-based label
                         "bbox": bbox_obj,  # TODO: load both bbox_obj and bbox_visib
diff --git a/det/yolox/data/datasets/tless_pbr.py b/det/yolox/data/datasets/tless_pbr.py
index 9d221d6df655268974f6971d1e72d46dc48d1f60..20c763089c99f62fb3488d777fd32118b7b6893c 100644
--- a/det/yolox/data/datasets/tless_pbr.py
+++ b/det/yolox/data/datasets/tless_pbr.py
@@ -177,7 +177,6 @@ class TLESS_PBR_Dataset:
                         self.xyz_root,
                         f"{scene_id:06d}/{int_im_id:06d}_{anno_i:06d}-xyz.pkl",
                     )
-                    # assert osp.exists(xyz_path), xyz_path
 
                     inst = {
                         "category_id": cur_label,  # 0-based label
diff --git a/det/yolox/data/datasets/tudl_pbr.py b/det/yolox/data/datasets/tudl_pbr.py
index eca140242342ec03c3e5eb83290eb6499ed5b8ba..f8ed1821dd587114967ffc282fc9bf59e46dfe3a 100644
--- a/det/yolox/data/datasets/tudl_pbr.py
+++ b/det/yolox/data/datasets/tudl_pbr.py
@@ -186,7 +186,6 @@ class TUDL_PBR_Dataset:
                         self.xyz_root,
                         f"{scene_id:06d}/{int_im_id:06d}_{anno_i:06d}-xyz.pkl",
                     )
-                    # assert osp.exists(xyz_path), xyz_path
                     inst = {
                         "category_id": cur_label,  # 0-based label
                         "bbox": bbox_obj,  # TODO: load both bbox_obj and bbox_visib
diff --git a/det/yolox/data/datasets/ycbv_d2.py b/det/yolox/data/datasets/ycbv_d2.py
index 6c763fc0ef48b28e85ca3cddc070e5e0a43bbda2..95341811b3f03748d634bc133904a1806a18452b 100755
--- a/det/yolox/data/datasets/ycbv_d2.py
+++ b/det/yolox/data/datasets/ycbv_d2.py
@@ -247,7 +247,6 @@ class YCBV_Dataset:
                         xyz_root,
                         f"{scene_id:06d}/{im_id:06d}_{anno_i:06d}-xyz.pkl",
                     )
-                    # assert osp.exists(xyz_path), xyz_path
                     inst["xyz_path"] = xyz_path
 
                 model_info = self.models_info[str(obj_id)]
diff --git a/det/yolox/data/datasets/ycbv_pbr.py b/det/yolox/data/datasets/ycbv_pbr.py
index 734e99e9b669cf906de057a9d0d803b69efe360d..9295d4c9ac48572daee96041ec38e883f9f19cbc 100644
--- a/det/yolox/data/datasets/ycbv_pbr.py
+++ b/det/yolox/data/datasets/ycbv_pbr.py
@@ -187,7 +187,6 @@ class YCBV_PBR_Dataset:
                         self.xyz_root,
                         f"{scene_id:06d}/{int_im_id:06d}_{anno_i:06d}-xyz.pkl",
                     )
-                    # assert osp.exists(xyz_path), xyz_path
                     inst = {
                         "category_id": cur_label,  # 0-based label
                         "bbox": bbox_obj,  # TODO: load both bbox_obj and bbox_visib