diff --git a/bench_test.go b/bench_test.go
index b95b7df0..a3c54e62 100644
--- a/bench_test.go
+++ b/bench_test.go
@@ -66,7 +66,10 @@ func BenchmarkEncode(b *testing.B) {
 			}
 
 			// "next" version of TOML.
-			if path == "valid/string/escape-esc.toml" {
+			switch path {
+			case "valid/string/escape-esc.toml", "valid/datetime/no-seconds.toml",
+				"valid/string/hex-escape.toml", "valid/inline-table/newline.toml",
+				"valid/key/unicode.toml":
 				return nil
 			}