diff --git a/examples/adc_values.rs b/examples/adc_values.rs
index a481970..d28b988 100644
--- a/examples/adc_values.rs
+++ b/examples/adc_values.rs
@@ -70,7 +70,7 @@ fn main() -> ! {
 }
 
 #[exception]
-fn SysTick() -> ! {
+fn SysTick() {
     use core::ops::DerefMut;
 
     // Enter critical section
diff --git a/examples/flash_systick.rs b/examples/flash_systick.rs
index 104a581..89cafb9 100644
--- a/examples/flash_systick.rs
+++ b/examples/flash_systick.rs
@@ -57,7 +57,7 @@ fn main() -> ! {
 // Define an exception handler, i.e. function to call when exception occurs. Here, if our SysTick
 // timer generates an exception the following handler will be called
 #[exception]
-fn SysTick() -> ! {
+fn SysTick() {
     // Exception handler state variable
     static mut STATE: u8 = 1;
 
diff --git a/examples/flash_systick_fancier.rs b/examples/flash_systick_fancier.rs
index 0fd3771..4413693 100644
--- a/examples/flash_systick_fancier.rs
+++ b/examples/flash_systick_fancier.rs
@@ -60,7 +60,7 @@ fn main() -> ! {
 // Define an exception handler, i.e. function to call when exception occurs. Here, if our SysTick
 // timer generates an exception the following handler will be called
 #[exception]
-fn SysTick() -> ! {
+fn SysTick() {
     // Our moved LED pin
     static mut LED: Option<LEDPIN> = None;