diff --git a/src/bin_node/node_run_command.ml b/src/bin_node/node_run_command.ml
index 79986303f..14018ca77 100644
--- a/src/bin_node/node_run_command.ml
+++ b/src/bin_node/node_run_command.ml
@@ -77,18 +77,6 @@ let context_dir data_dir = data_dir // "context"
 let protocol_dir data_dir = data_dir // "protocol"
 let lock_file data_dir = data_dir // "lock"
 
-let find_log_rules default =
-  match Option.try_with (fun () -> Sys.getenv "TEZOS_LOG"),
-        Option.try_with (fun () -> Sys.getenv "LWT_LOG")
-  with
-  | Some rules, None -> "environment variable TEZOS_LOG", Some rules
-  | None, Some rules -> "environment variable LWT_LOG", Some rules
-  | None, None -> "configuration file", default
-  | Some rules, Some _ ->
-      warn "Both environment variables TEZOS_LOG and LWT_LOG \
-            defined, using TEZOS_LOG." ;
-      "environment varible TEZOS_LOG", Some rules
-
 let init_node ?sandbox ?checkpoint (config : Node_config_file.t) =
   let patch_context json ctxt =
     begin