diff --git a/src/cmd/go/internal/web/file_test.go b/src/cmd/go/internal/web/file_test.go
index e31ad71d4d982e..63394690453dd0 100644
--- a/src/cmd/go/internal/web/file_test.go
+++ b/src/cmd/go/internal/web/file_test.go
@@ -19,6 +19,8 @@ func TestGetFileURL(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
+	defer os.Remove(f.Name())
+
 	if _, err := f.WriteString(content); err != nil {
 		t.Error(err)
 	}