diff --git a/core/src/interrupt.rs b/core/src/interrupt.rs
index 45dcb55..34226dd 100644
--- a/core/src/interrupt.rs
+++ b/core/src/interrupt.rs
@@ -4,7 +4,6 @@ use std::rc::Rc;
 use serde::{Deserialize, Serialize};
 
 pub trait InterruptConnect {
-
     // Connect a SharedInterruptFlags to this interrupt source
     fn connect_irq(&mut self, interrupt_flags: SharedInterruptFlags);
 }
diff --git a/core/src/lib.rs b/core/src/lib.rs
index 4702525..f695d20 100644
--- a/core/src/lib.rs
+++ b/core/src/lib.rs
@@ -26,7 +26,6 @@ extern crate log;
 #[macro_use]
 extern crate hex_literal;
 
-#[macro_use]
 extern crate cfg_if;
 
 use zip;
diff --git a/core/src/timer.rs b/core/src/timer.rs
index 76d5127..af65710 100644
--- a/core/src/timer.rs
+++ b/core/src/timer.rs
@@ -142,8 +142,7 @@ impl Timers {
         timer.is_scheduled = true;
         timer.start_time = self.scheduler.timestamp();
         let cycles = (timer.ticks_to_overflow() as usize) << timer.prescalar_shift;
-        self.scheduler
-            .push(EventType::TimerOverflow(id), cycles);
+        self.scheduler.push(EventType::TimerOverflow(id), cycles);
     }
 
     fn cancel_timer_event(&mut self, id: usize) {