diff --git a/_data/sources-2023.yaml b/_data/sources-2023.yaml
index 244a57e..9cd1aba 100644
--- a/_data/sources-2023.yaml
+++ b/_data/sources-2023.yaml
@@ -10,6 +10,6 @@
   _title: "T<sup>2</sup>Ranking: A Large-scale Chinese Benchmark for Passage Ranking"
   _first_author: Xiaohui Xie
 
-- id: doi:10.1145/3580305.3599536
-  _title: "Unbiased Delayed Feedback Label Correction in Conversion Rate Prediction"
-  _first_author: Yifan Wang
+# - id: doi:10.1145/3580305.3599536
+#   _title: "Unbiased Delayed Feedback Label Correction in Conversion Rate Prediction"
+#   _first_author: Yifan Wang