diff --git a/sql/mdl.h b/sql/mdl.h
index 6d29ad968c6..d30d30ac2fa 100644
--- a/sql/mdl.h
+++ b/sql/mdl.h
@@ -246,8 +246,6 @@ public:
   }
   void mdl_key_init(const MDL_key *rhs)
   {
-    DBUG_ASSERT(rhs->m_length <= NAME_LEN);
-    DBUG_ASSERT(rhs->m_db_name_length <= NAME_LEN);
     memcpy(m_ptr, rhs->m_ptr, rhs->m_length);
     m_length= rhs->m_length;
     m_db_name_length= rhs->m_db_name_length;