diff --git a/embassy-extras/src/fmt.rs b/embassy-extras/src/fmt.rs
index fc1855ed1..160642ccd 100644
--- a/embassy-extras/src/fmt.rs
+++ b/embassy-extras/src/fmt.rs
@@ -1,5 +1,6 @@
 #![macro_use]
 #![allow(clippy::module_inception)]
+#![allow(unused)]
 
 #[cfg(all(feature = "defmt", feature = "log"))]
 compile_error!("You may not enable both `defmt` and `log` features.");
diff --git a/embassy-nrf/src/fmt.rs b/embassy-nrf/src/fmt.rs
index fc1855ed1..160642ccd 100644
--- a/embassy-nrf/src/fmt.rs
+++ b/embassy-nrf/src/fmt.rs
@@ -1,5 +1,6 @@
 #![macro_use]
 #![allow(clippy::module_inception)]
+#![allow(unused)]
 
 #[cfg(all(feature = "defmt", feature = "log"))]
 compile_error!("You may not enable both `defmt` and `log` features.");
diff --git a/embassy-stm32f4/src/fmt.rs b/embassy-stm32f4/src/fmt.rs
index fc1855ed1..160642ccd 100644
--- a/embassy-stm32f4/src/fmt.rs
+++ b/embassy-stm32f4/src/fmt.rs
@@ -1,5 +1,6 @@
 #![macro_use]
 #![allow(clippy::module_inception)]
+#![allow(unused)]
 
 #[cfg(all(feature = "defmt", feature = "log"))]
 compile_error!("You may not enable both `defmt` and `log` features.");
diff --git a/embassy/src/fmt.rs b/embassy/src/fmt.rs
index fc1855ed1..160642ccd 100644
--- a/embassy/src/fmt.rs
+++ b/embassy/src/fmt.rs
@@ -1,5 +1,6 @@
 #![macro_use]
 #![allow(clippy::module_inception)]
+#![allow(unused)]
 
 #[cfg(all(feature = "defmt", feature = "log"))]
 compile_error!("You may not enable both `defmt` and `log` features.");