diff --git a/configs/centernet/_base_/centernet_r50.yml b/configs/centernet/_base_/centernet_r50.yml
index e6c8bb1f75c009867c24b825d80013a66b220d0f..f2dc2ee2897d190066250113c9dbf01a7b92e130 100644
--- a/configs/centernet/_base_/centernet_r50.yml
+++ b/configs/centernet/_base_/centernet_r50.yml
@@ -16,7 +16,6 @@ ResNet:
   return_idx: [0, 1, 2, 3]
   freeze_at: -1
   norm_decay: 0.
-  variant: d
   dcn_v2_stages: [3]