diff --git a/src/main.rs b/src/main.rs
index ce37517..3a6d843 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,12 +4,12 @@
 extern crate panic_halt;
 use cortex_m_rt::entry;
 use hal::prelude::*;
-use stm32f3xx_hal as hal;
+use stm32f3xx_hal::{self as hal, pac::CorePeripherals, pac::Peripherals};
 
 #[entry]
 fn main() -> ! {
-    let sp = hal::pac::Peripherals::take().unwrap();
-    let mut core_periphrals = hal::pac::CorePeripherals::take().unwrap();
+    let sp = Peripherals::take().unwrap();
+    let mut core_periphrals = CorePeripherals::take().unwrap();
 
     let mut rcc = sp.RCC.constrain();
     let mut flash = sp.FLASH.constrain();
@@ -25,9 +25,9 @@ fn main() -> ! {
 
     let reload = clocks.sysclk().0 / 8;
 
-    hal::pac::SYST::set_reload(&mut core_periphrals.SYST, reload - 1);
-    hal::pac::SYST::clear_current(&mut core_periphrals.SYST);
-    hal::pac::SYST::enable_counter(&mut core_periphrals.SYST);
+    core_periphrals.SYST.set_reload(reload - 1);
+    core_periphrals.SYST.clear_current();
+    core_periphrals.SYST.enable_counter();
 
     let mut last_led_state = false;
     let mut last_button_state = false;
@@ -45,7 +45,7 @@ fn main() -> ! {
             false
         };
 
-        if hal::pac::SYST::has_wrapped(&mut core_periphrals.SYST) {
+        if core_periphrals.SYST.has_wrapped() {
             led_state = !last_led_state;
         }