diff --git a/examples/stm32f4/src/bin/i2c.rs b/examples/stm32f4/src/bin/i2c.rs
index 6e51c211..f8ae0890 100644
--- a/examples/stm32f4/src/bin/i2c.rs
+++ b/examples/stm32f4/src/bin/i2c.rs
@@ -15,7 +15,7 @@ const ADDRESS: u8 = 0x5F;
 const WHOAMI: u8 = 0x0F;
 
 #[embassy_executor::main]
-async fn main(_spawner: Spawner) -> ! {
+async fn main(_spawner: Spawner) {
     info!("Hello world!");
     let p = embassy_stm32::init(Default::default());
 
diff --git a/examples/stm32f4/src/bin/sdmmc.rs b/examples/stm32f4/src/bin/sdmmc.rs
index 1d0e60cb..ebdfdb22 100644
--- a/examples/stm32f4/src/bin/sdmmc.rs
+++ b/examples/stm32f4/src/bin/sdmmc.rs
@@ -14,7 +14,7 @@ use {defmt_rtt as _, panic_probe as _};
 const ALLOW_WRITES: bool = false;
 
 #[embassy_executor::main]
-async fn main(_spawner: Spawner) -> ! {
+async fn main(_spawner: Spawner) {
     let mut config = Config::default();
     config.rcc.sys_ck = Some(mhz(48));
     config.rcc.pll48 = true;
@@ -75,6 +75,4 @@ async fn main(_spawner: Spawner) -> ! {
 
     sdmmc.read_block(block_idx, &mut block).await.unwrap();
     info!("Read: {=[u8]:X}...{=[u8]:X}", block[..8], block[512 - 8..]);
-
-    loop {}
 }
diff --git a/examples/stm32f7/src/bin/eth.rs b/examples/stm32f7/src/bin/eth.rs
index 571a6c1b..9febb14e 100644
--- a/examples/stm32f7/src/bin/eth.rs
+++ b/examples/stm32f7/src/bin/eth.rs
@@ -106,7 +106,7 @@ async fn main(spawner: Spawner) -> ! {
             let r = socket.write_all(&buf).await;
             if let Err(e) = r {
                 info!("write error: {:?}", e);
-                return;
+                continue;
             }
             Timer::after(Duration::from_secs(1)).await;
         }
diff --git a/examples/stm32f7/src/bin/sdmmc.rs b/examples/stm32f7/src/bin/sdmmc.rs
index cf8128e2..c050a400 100644
--- a/examples/stm32f7/src/bin/sdmmc.rs
+++ b/examples/stm32f7/src/bin/sdmmc.rs
@@ -10,7 +10,7 @@ use embassy_stm32::{interrupt, Config};
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
-async fn main(_spawner: Spawner) -> ! {
+async fn main(_spawner: Spawner) {
     let mut config = Config::default();
     config.rcc.sys_ck = Some(mhz(200));
     config.rcc.pll48 = true;
@@ -41,6 +41,4 @@ async fn main(_spawner: Spawner) -> ! {
     let card = unwrap!(sdmmc.card());
 
     info!("Card: {:#?}", Debug2Format(card));
-
-    loop {}
 }
diff --git a/examples/stm32h7/src/bin/eth.rs b/examples/stm32h7/src/bin/eth.rs
index cb245c32..541e4976 100644
--- a/examples/stm32h7/src/bin/eth.rs
+++ b/examples/stm32h7/src/bin/eth.rs
@@ -106,7 +106,7 @@ async fn main(spawner: Spawner) -> ! {
             let r = socket.write_all(b"Hello\n").await;
             if let Err(e) = r {
                 info!("write error: {:?}", e);
-                return;
+                continue;
             }
             Timer::after(Duration::from_secs(1)).await;
         }
diff --git a/examples/stm32h7/src/bin/eth_client.rs b/examples/stm32h7/src/bin/eth_client.rs
index cce85a08..b609fa5d 100644
--- a/examples/stm32h7/src/bin/eth_client.rs
+++ b/examples/stm32h7/src/bin/eth_client.rs
@@ -108,7 +108,7 @@ async fn main(spawner: Spawner) -> ! {
             let r = connection.write_all(b"Hello\n").await;
             if let Err(e) = r {
                 info!("write error: {:?}", e);
-                return;
+                continue;
             }
             Timer::after(Duration::from_secs(1)).await;
         }
diff --git a/examples/stm32h7/src/bin/i2c.rs b/examples/stm32h7/src/bin/i2c.rs
index d44319ae..78e03f01 100644
--- a/examples/stm32h7/src/bin/i2c.rs
+++ b/examples/stm32h7/src/bin/i2c.rs
@@ -14,7 +14,7 @@ const ADDRESS: u8 = 0x5F;
 const WHOAMI: u8 = 0x0F;
 
 #[embassy_executor::main]
-async fn main(_spawner: Spawner) -> ! {
+async fn main(_spawner: Spawner) {
     info!("Hello world!");
     let p = embassy_stm32::init(Default::default());
 
diff --git a/examples/stm32l4/src/bin/i2c.rs b/examples/stm32l4/src/bin/i2c.rs
index d54c080c..d40d6803 100644
--- a/examples/stm32l4/src/bin/i2c.rs
+++ b/examples/stm32l4/src/bin/i2c.rs
@@ -14,7 +14,7 @@ const ADDRESS: u8 = 0x5F;
 const WHOAMI: u8 = 0x0F;
 
 #[embassy_executor::main]
-async fn main(_spawner: Spawner) -> ! {
+async fn main(_spawner: Spawner) {
     let p = embassy_stm32::init(Default::default());
     let irq = interrupt::take!(I2C2_EV);
     let mut i2c = I2c::new(
diff --git a/examples/stm32l4/src/bin/i2c_blocking_async.rs b/examples/stm32l4/src/bin/i2c_blocking_async.rs
index 35a86660..d868cac0 100644
--- a/examples/stm32l4/src/bin/i2c_blocking_async.rs
+++ b/examples/stm32l4/src/bin/i2c_blocking_async.rs
@@ -16,7 +16,7 @@ const ADDRESS: u8 = 0x5F;
 const WHOAMI: u8 = 0x0F;
 
 #[embassy_executor::main]
-async fn main(_spawner: Spawner) -> ! {
+async fn main(_spawner: Spawner) {
     let p = embassy_stm32::init(Default::default());
     let irq = interrupt::take!(I2C2_EV);
     let i2c = I2c::new(
diff --git a/examples/stm32l4/src/bin/i2c_dma.rs b/examples/stm32l4/src/bin/i2c_dma.rs
index 3ce9398a..7e62ee63 100644
--- a/examples/stm32l4/src/bin/i2c_dma.rs
+++ b/examples/stm32l4/src/bin/i2c_dma.rs
@@ -13,7 +13,7 @@ const ADDRESS: u8 = 0x5F;
 const WHOAMI: u8 = 0x0F;
 
 #[embassy_executor::main]
-async fn main(_spawner: Spawner) -> ! {
+async fn main(_spawner: Spawner) {
     let p = embassy_stm32::init(Default::default());
     let irq = interrupt::take!(I2C2_EV);
     let mut i2c = I2c::new(