diff --git a/relay/adaptor/anthropic/constants.go b/relay/adaptor/anthropic/constants.go
index cb574706d4..8ea7c4d878 100644
--- a/relay/adaptor/anthropic/constants.go
+++ b/relay/adaptor/anthropic/constants.go
@@ -9,5 +9,4 @@ var ModelList = []string{
 	"claude-3-5-sonnet-20240620",
 	"claude-3-5-sonnet-20241022",
 	"claude-3-5-sonnet-latest",
-	"claude-3-5-haiku-20241022",
 }