diff --git a/doc/.trash/database.md b/doc/.trash/database.md
deleted file mode 100644
index 13e0008..0000000
--- a/doc/.trash/database.md
+++ /dev/null
@@ -1,7 +0,0 @@
-You have 2 choices for database backend:
-
-* [postgres](postgres.md)
-
-* [redis](redis.md)
-
-NOTE: we don't need this file no more