diff --git a/refs/heads/yantai_dev b/refs/heads/yantai_dev
deleted file mode 100644
index 7367cd55e..000000000
--- a/refs/heads/yantai_dev
+++ /dev/null
@@ -1 +0,0 @@
-UPDATE 330524a122862dbc6eb79832d1b4bb89f87a8a3c 688153aedc80bbaea28d60710b09177140735627
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