diff --git a/include/ldbm.h b/include/ldbm.h
index c913c7bb59..ecdf6a9ae4 100644
--- a/include/ldbm.h
+++ b/include/ldbm.h
@@ -61,8 +61,8 @@ typedef DBC	LDBMCursor;
 #	define LDBM_WRCREAT	(DB_NOMMAP|DB_CREATE|DB_THREAD)
 #	define LDBM_NEWDB	(DB_TRUNCATE|DB_CREATE|DB_THREAD)
 # else
-#	define LDBM_WRCREAT	(DB_NOMMAP|DB_CREATE|DB_THREAD)
-#	define LDBM_NEWDB	(DB_TRUNCATE|DB_CREATE|DB_THREAD)
+#	define LDBM_WRCREAT	(DB_NOMMAP|DB_CREATE)
+#	define LDBM_NEWDB	(DB_TRUNCATE|DB_CREATE)
 # endif
 
 #else