diff --git a/src/trace_listeners.rs b/src/trace_listeners.rs
index 81881fa..7701d66 100644
--- a/src/trace_listeners.rs
+++ b/src/trace_listeners.rs
@@ -162,6 +162,7 @@ pub struct SpanFilters {
     filters: Filters,
 }
 
+#[allow(dead_code)]
 impl SpanFilters {
     pub fn new() -> Self {
         Self {
@@ -225,6 +226,7 @@ pub struct SpanListener {
     filters: SpanFilters,
 }
 
+#[allow(dead_code)]
 impl SpanListener {
     pub fn new(filters: SpanFilters) -> Self {
         Self {