diff --git a/_tags b/_tags
index 9bdfa3d1..e89e7e22 100644
--- a/_tags
+++ b/_tags
@@ -159,4 +159,5 @@
 # OASIS_STOP
 <tests/*.ml{,i}>: thread
 <threads/*.ml{,i}>: thread
+<sequence>: -traverse
 <{string,core}/**/*.ml>: warn_K, warn_Y, warn_X