diff --git a/client/reranker.go b/client/reranker.go
index 05fe6e60..ba8a41b8 100644
--- a/client/reranker.go
+++ b/client/reranker.go
@@ -17,7 +17,6 @@ const (
 )
 
 type Reranker interface {
-	WithOffset(offset int64)
 	GetParams() []*commonpb.KeyValuePair
 }