diff --git a/relay/adaptor/openai/adaptor.go b/relay/adaptor/openai/adaptor.go
index 3f4cdb4a..3f4da0e4 100644
--- a/relay/adaptor/openai/adaptor.go
+++ b/relay/adaptor/openai/adaptor.go
@@ -4,7 +4,6 @@ import (
 	"fmt"
 	"io"
 	"net/http"
-	"slices"
 	"strings"
 
 	"github.com/Laisky/errors/v2"