diff --git a/chronicles/log_output.nim b/chronicles/log_output.nim
index 151a4e5..dee218c 100644
--- a/chronicles/log_output.nim
+++ b/chronicles/log_output.nim
@@ -422,9 +422,6 @@ macro append*(o: var AnyOutput,
   result.add newCall("append", o, arg2)
   for arg in restArgs: result.add newCall("append", o, arg)
 
-proc utcReadable(): string =
-  getTime().utc().format("yyyy-MM-dd HH:mm:ss'.'fffzzz")
-
 proc epochTimestamp(): string =
   formatFloat(epochTime(), ffDecimal, 6)