diff --git a/pgxn/neon/pagestore_client.h b/pgxn/neon/pagestore_client.h
index 4cebdced4c..532613ac75 100644
--- a/pgxn/neon/pagestore_client.h
+++ b/pgxn/neon/pagestore_client.h
@@ -299,11 +299,7 @@ extern void update_cached_relsize(NRelFileInfo rinfo, ForkNumber forknum, BlockN
 extern void forget_cached_relsize(NRelFileInfo rinfo, ForkNumber forknum);
 
 /*
- * Flags for relkind entry. It is bitmask, but not all combinations of this flags is possible.
- * RAW is set when information about persistent is not known.
- * When it is known, then UNLOGGED flags is set for unlogged relations.'
- * Finally UNLOGGED_BUILD is set for unlogged build (building of GIST/SPGIST/GIN... indexes).
- * Relation itself can be logged or unlogged.
+ * Relation kind enum.
  */
 typedef enum
 {