diff --git a/src/Core/Settings.h b/src/Core/Settings.h
index 72ba2c0c13b..a446c1a7768 100644
--- a/src/Core/Settings.h
+++ b/src/Core/Settings.h
@@ -591,6 +591,8 @@ static constexpr UInt64 operator""_GiB(unsigned long long value)
     M(Bool, use_local_cache_for_remote_storage, true, "Use local cache for remote storage like HDFS or S3, it's used for remote table engine only", 0) \
     \
     M(Bool, allow_unrestricted_reads_from_keeper, false, "Allow unrestricted (without condition on path) reads from system.zookeeper table, can be handy, but is not safe for zookeeper", 0) \
+    M(Bool, allow_deprecated_database_ordinary, false, "Allow to create databases with deprecated Ordinary engine", 0) \
+    M(Bool, allow_deprecated_syntax_for_merge_tree, false, "Allow to create *MergeTree tables with deprecated engine definition syntax", 0) \
     \
     /** Experimental functions */ \
     M(Bool, allow_experimental_funnel_functions, false, "Enable experimental functions for funnel analysis.", 0) \