diff --git a/src/ports/xtensa_esp32/hardware_timer.rs b/src/ports/xtensa_esp32/hardware_timer.rs
index 046b115..d88183a 100644
--- a/src/ports/xtensa_esp32/hardware_timer.rs
+++ b/src/ports/xtensa_esp32/hardware_timer.rs
@@ -1,5 +1,5 @@
+use esp_hal::peripherals::*;
 use esp_hal::timer::timg::{Timer, Timer0, Timer1, TimerGroup};
-use esp_hal::{peripherals::*, prelude::*};
 
 use crate::timer::TickType;
 
diff --git a/src/ports/xtensa_esp32/preempt.rs b/src/ports/xtensa_esp32/preempt.rs
index 053e6f1..5f5e141 100644
--- a/src/ports/xtensa_esp32/preempt.rs
+++ b/src/ports/xtensa_esp32/preempt.rs
@@ -1,6 +1,5 @@
 use super::TrapFrame;
 use crate::ports::xtensa_esp32::hardware_timer::*;
-use crate::task_manager::preemptive::Thread;
 use esp_hal::{
     interrupt::{self, InterruptHandler, Priority},
     peripherals::*,