diff --git a/src/PostgREST/Config.hs b/src/PostgREST/Config.hs
index d181ade615..212e4b8ea2 100644
--- a/src/PostgREST/Config.hs
+++ b/src/PostgREST/Config.hs
@@ -352,7 +352,7 @@ parser optPath env dbSettings =
           let dbSettingName = T.pack $ dashToUnderscore <$> toS key in
           if dbSettingName `notElem` [
             "server_host", "server_port", "server_unix_socket", "server_unix_socket_mode", "admin_server_port", "log_level",
-            "db_uri", "db_channel_enabled", "db_channel", "db_pool", "db_pool_timeout", "db_config"]
+            "db_uri", "db_channel_enabled", "db_channel", "db_pool", "db_config"]
           then lookup dbSettingName dbSettings
           else Nothing