diff --git a/vmm/src/vmm_config/logger.rs b/vmm/src/vmm_config/logger.rs
index da9b31064fb..1ae7d86d0e7 100644
--- a/vmm/src/vmm_config/logger.rs
+++ b/vmm/src/vmm_config/logger.rs
@@ -46,10 +46,12 @@ pub struct LoggerConfig {
     pub options: Value,
 }
 
+#[allow(dead_code)]
 fn default_level() -> LoggerLevel {
     LoggerLevel::Warning
 }
 
+#[allow(dead_code)]
 fn default_log_options() -> Value {
     Value::Array(vec![])
 }