diff --git a/relay/adaptor/anthropic/constants.go b/relay/adaptor/anthropic/constants.go
index cb574706..46dced11 100644
--- a/relay/adaptor/anthropic/constants.go
+++ b/relay/adaptor/anthropic/constants.go
@@ -8,6 +8,5 @@ var ModelList = []string{
 	"claude-3-opus-20240229",
 	"claude-3-5-sonnet-20240620",
 	"claude-3-5-sonnet-20241022",
-	"claude-3-5-sonnet-latest",
-	"claude-3-5-haiku-20241022",
+	"claude-3-5-sonnet-latest"
 }