diff --git a/Cargo.toml b/Cargo.toml
index bbed0507..5d4e5dd0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -42,7 +42,6 @@ log = { version = "^0.4", optional = true }
 
 [features]
 debug-print = ["log"]
-# default = ["mysql", "postgres", "sqlite", "discovery", "writer"]
 default = ["mysql", "postgres", "discovery", "writer"]
 mysql = []
 postgres = []