diff --git a/mmdet/models/dense_heads/anchor_head.py b/mmdet/models/dense_heads/anchor_head.py
index 0e55892df6ac2b145c4ac37f34167a88b4af98dd..849c4f1a98d9d765b97f0d21d3fce8e514971d6a 100644
--- a/mmdet/models/dense_heads/anchor_head.py
+++ b/mmdet/models/dense_heads/anchor_head.py
@@ -192,7 +192,6 @@ class AnchorHead(BaseDenseHead, BBoxTestMixin):
                     shape (num_anchors,).
             gt_bboxes (Tensor): Ground truth bboxes of the image,
                 shape (num_gts, 4).
-            img_meta (dict): Meta info of the image.
             gt_bboxes_ignore (Tensor): Ground truth bboxes to be
                 ignored, shape (num_ignored_gts, 4).
             img_meta (dict): Meta info of the image.