diff --git a/config/dev.exs b/config/dev.exs
index 3929c71dd0..7ab30a26bf 100644
--- a/config/dev.exs
+++ b/config/dev.exs
@@ -51,8 +51,6 @@ config :phoenix, :stacktrace_depth, 20
 # Configure your database
 config :explorer, Explorer.Repo,
   adapter: Ecto.Adapters.Postgres,
-  username: "postgres",
-  password: "postgres",
   database: "explorer_dev",
   hostname: "localhost",
   pool_size: 10
diff --git a/config/test.exs b/config/test.exs
index fc13fb258e..f58cc1b841 100644
--- a/config/test.exs
+++ b/config/test.exs
@@ -12,8 +12,6 @@ config :logger, level: :warn
 # Configure your database
 config :explorer, Explorer.Repo,
   adapter: Ecto.Adapters.Postgres,
-  username: "postgres",
-  password: "postgres",
   database: "explorer_test",
   hostname: "localhost",
   pool: Ecto.Adapters.SQL.Sandbox