diff --git a/examples/basic.rs b/examples/basic.rs
index b62e9e5..0255ced 100644
--- a/examples/basic.rs
+++ b/examples/basic.rs
@@ -1,7 +1,8 @@
-use tracing::{debug, error, info, instrument, span, warn, Level};
+use tracing::{debug, error, info, span, warn, Level};
 use tracing_subscriber::{layer::SubscriberExt, registry::Registry};
 use tracing_tree::HierarchicalLayer;
 
+#[allow(dead_code)]
 #[derive(Debug)]
 struct PrettyPrintMe {
     value_a: u32,
@@ -88,14 +89,3 @@ fn main() {
     log::error!("this is a log message");
     info!("exit");
 }
-
-#[instrument]
-fn call_a(name: &str) {
-    info!(name, "got a name");
-    call_b(name)
-}
-
-#[instrument]
-fn call_b(name: &str) {
-    info!(name, "got a name");
-}
diff --git a/examples/basic_non_verbose.rs b/examples/basic_non_verbose.rs
index 0e5c009..e55708a 100644
--- a/examples/basic_non_verbose.rs
+++ b/examples/basic_non_verbose.rs
@@ -1,4 +1,4 @@
-use tracing::{debug, error, info, instrument, span, warn, Level};
+use tracing::{debug, error, info, span, warn, Level};
 use tracing_subscriber::{layer::SubscriberExt, registry::Registry};
 use tracing_tree::HierarchicalLayer;
 
@@ -68,14 +68,3 @@ fn main() {
     log::error!("this is a log message");
     info!("exit");
 }
-
-#[instrument]
-fn call_a(name: &str) {
-    info!(name, "got a name");
-    call_b(name)
-}
-
-#[instrument]
-fn call_b(name: &str) {
-    info!(name, "got a name");
-}
diff --git a/examples/basic_verbose_entry.rs b/examples/basic_verbose_entry.rs
index 73c7a90..c0a6a12 100644
--- a/examples/basic_verbose_entry.rs
+++ b/examples/basic_verbose_entry.rs
@@ -1,4 +1,4 @@
-use tracing::{debug, error, info, instrument, span, warn, Level};
+use tracing::{debug, error, info, span, warn, Level};
 use tracing_subscriber::{layer::SubscriberExt, registry::Registry};
 use tracing_tree::HierarchicalLayer;
 
@@ -70,14 +70,3 @@ fn main() {
     log::error!("this is a log message");
     info!("exit");
 }
-
-#[instrument]
-fn call_a(name: &str) {
-    info!(name, "got a name");
-    call_b(name)
-}
-
-#[instrument]
-fn call_b(name: &str) {
-    info!(name, "got a name");
-}
diff --git a/examples/basic_verbose_exit.rs b/examples/basic_verbose_exit.rs
index 3efa21d..a06ef31 100644
--- a/examples/basic_verbose_exit.rs
+++ b/examples/basic_verbose_exit.rs
@@ -1,4 +1,4 @@
-use tracing::{debug, error, info, instrument, span, warn, Level};
+use tracing::{debug, error, info, span, warn, Level};
 use tracing_subscriber::{layer::SubscriberExt, registry::Registry};
 use tracing_tree::HierarchicalLayer;
 
@@ -70,14 +70,3 @@ fn main() {
     log::error!("this is a log message");
     info!("exit");
 }
-
-#[instrument]
-fn call_a(name: &str) {
-    info!(name, "got a name");
-    call_b(name)
-}
-
-#[instrument]
-fn call_b(name: &str) {
-    info!(name, "got a name");
-}
diff --git a/examples/deferred.rs b/examples/deferred.rs
index 81a4232..89ee6c5 100644
--- a/examples/deferred.rs
+++ b/examples/deferred.rs
@@ -1,6 +1,4 @@
-use tracing::{
-    debug, error, info, instrument, level_filters::LevelFilter, span, trace, warn, Level,
-};
+use tracing::{debug, error, info, level_filters::LevelFilter, span, trace, warn, Level};
 use tracing_subscriber::{layer::SubscriberExt, registry::Registry, Layer};
 use tracing_tree::HierarchicalLayer;
 
@@ -98,14 +96,3 @@ fn main() {
     log::error!("this is a log message");
     info!("exit");
 }
-
-#[instrument]
-fn call_a(name: &str) {
-    info!(name, "got a name");
-    call_b(name)
-}
-
-#[instrument]
-fn call_b(name: &str) {
-    info!(name, "got a name");
-}
diff --git a/examples/no-indent.rs b/examples/no-indent.rs
index 4ccaffc..72bb1d7 100644
--- a/examples/no-indent.rs
+++ b/examples/no-indent.rs
@@ -1,7 +1,8 @@
-use tracing::{debug, error, info, instrument, span, warn, Level};
+use tracing::{debug, error, info, span, warn, Level};
 use tracing_subscriber::{layer::SubscriberExt, registry::Registry};
 use tracing_tree::HierarchicalLayer;
 
+#[allow(dead_code)]
 #[derive(Debug)]
 struct PrettyPrintMe {
     value_a: u32,
@@ -84,14 +85,3 @@ fn main() {
     warn!("internal error");
     info!("exit");
 }
-
-#[instrument]
-fn call_a(name: &str) {
-    info!(name, "got a name");
-    call_b(name)
-}
-
-#[instrument]
-fn call_b(name: &str) {
-    info!(name, "got a name");
-}
diff --git a/examples/quiet.rs b/examples/quiet.rs
index 81b0c9c..8d8b703 100644
--- a/examples/quiet.rs
+++ b/examples/quiet.rs
@@ -1,4 +1,4 @@
-use tracing::{debug, error, info, instrument, span, warn, Level};
+use tracing::{debug, error, info, span, warn, Level};
 use tracing_subscriber::{layer::SubscriberExt, registry::Registry};
 use tracing_tree::HierarchicalLayer;
 
@@ -67,14 +67,3 @@ fn main() {
     warn!("internal error");
     info!("exit");
 }
-
-#[instrument]
-fn call_a(name: &str) {
-    info!(name, "got a name");
-    call_b(name)
-}
-
-#[instrument]
-fn call_b(name: &str) {
-    info!(name, "got a name");
-}