diff --git a/mmdet/models/roi_heads/bbox_heads/bbox_head.py b/mmdet/models/roi_heads/bbox_heads/bbox_head.py
index 3b2e8aae083..8a18a74c475 100644
--- a/mmdet/models/roi_heads/bbox_heads/bbox_head.py
+++ b/mmdet/models/roi_heads/bbox_heads/bbox_head.py
@@ -597,7 +597,6 @@ def refine_bboxes(self, sampling_results: Union[List[SamplingResult],
             list[:obj:`InstanceData`]: Refined bboxes of each image.
 
         Example:
-            >>> # xdoctest: +REQUIRES(module:kwarray)
             >>> import numpy as np
             >>> from mmdet.models.task_modules.samplers.
             ... sampling_result import random_boxes
diff --git a/projects/Detic_new/detic/detic_bbox_head.py b/projects/Detic_new/detic/detic_bbox_head.py
index 8779494ba13..47fcc717480 100644
--- a/projects/Detic_new/detic/detic_bbox_head.py
+++ b/projects/Detic_new/detic/detic_bbox_head.py
@@ -337,7 +337,6 @@ def refine_bboxes(self, bbox_results: dict,
             list[:obj:`InstanceData`]: Refined bboxes of each image.
 
         Example:
-            >>> # xdoctest: +REQUIRES(module:kwarray)
             >>> import numpy as np
             >>> from mmdet.models.task_modules.samplers.
             ... sampling_result import random_boxes
diff --git a/requirements/tests.txt b/requirements/tests.txt
index 6de5e44f508..72a2c62b33c 100644
--- a/requirements/tests.txt
+++ b/requirements/tests.txt
@@ -6,8 +6,6 @@ imagecorruptions
 instaboostfast
 interrogate
 isort==4.3.21
-# Note: used for kwarray.group_items, this may be ported to mmcv in the future.
-kwarray
 memory_profiler
 -e git+https://github.com/open-mmlab/mmtracking@dev-1.x#egg=mmtrack
 nltk