diff --git a/src/cmd/go/testdata/script/test_cache_inputs.txt b/src/cmd/go/testdata/script/test_cache_inputs.txt
index 97ae4af51f..50486e1909 100644
--- a/src/cmd/go/testdata/script/test_cache_inputs.txt
+++ b/src/cmd/go/testdata/script/test_cache_inputs.txt
@@ -137,7 +137,7 @@ exit 0
 package testcache
 
 import (
-	"io/ioutil"
+	"io"
 	"os"
 	"testing"
 )