diff --git a/src/encoder.rs b/src/encoder.rs
index 904e77f..e9fdeb7 100644
--- a/src/encoder.rs
+++ b/src/encoder.rs
@@ -1,6 +1,6 @@
 use core::{cell::{Cell, OnceCell}, sync::atomic::AtomicU8};
 
-use arduino_hal::{hal::port::{PD1, PD2, PD3, PD4}, pac::{exint::eicra::{ISC0_A, ISC1_A}, EXINT}, port::{mode::{Floating, Input}, Pin}};
+use arduino_hal::{hal::port::{PD3, PD4}, pac::{EXINT}, port::{mode::{Floating, Input}, Pin}};
 use avr_device::interrupt::{self, CriticalSection, Mutex};
 pub fn setup_encoder(d3: Pin<Input<Floating>, PD3>, d4: Pin<Input<Floating>, PD4>, int: EXINT) {
     interrupt::free(|cs| {
diff --git a/src/main.rs b/src/main.rs
index e1b9200..35aa186 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2,17 +2,15 @@
 #![no_main]
 #![feature(abi_avr_interrupt, cell_update)]
 
-use core::sync::atomic::Ordering;
 
-use arduino_hal::{default_serial, delay_ms, hal::port::{PD4, PD5}, pac::tc1::OCR1A, port::{mode::{Input, PullUp}, Pin}};
+use arduino_hal::{hal::port::PD5, pac::tc1::OCR1A, port::{mode::{Input, PullUp}, Pin}};
 use avr_device::interrupt;
-use encoder::{rotations, setup_encoder, update_encoder, COUNTS, TICKS_PER_ROT};
+use encoder::{rotations, setup_encoder, COUNTS};
 use panic_halt as _;
 mod servo;
 use servo::{configure_timer_one, Servo};
 use ufmt::uwriteln;
 
-use crate::servo::calculate_duty;
 mod encoder;
 
 // d3: encoder