diff --git a/functional/tester/checker_kv_hash.go b/functional/tester/checker_kv_hash.go
index 20343bc010ab..586ad89bd130 100644
--- a/functional/tester/checker_kv_hash.go
+++ b/functional/tester/checker_kv_hash.go
@@ -27,7 +27,6 @@ const retries = 7
 
 type kvHashChecker struct {
 	ctype rpcpb.Checker
-	lg    *zap.Logger
 	clus  *Cluster
 }