diff --git a/src/emu/cpu.rs b/src/emu/cpu.rs
index 8357c05..b6d88ec 100644
--- a/src/emu/cpu.rs
+++ b/src/emu/cpu.rs
@@ -1,7 +1,5 @@
 use crate::emu::mmu::{MappedMemory, Memory};
 use crate::emu::program_counter::ProgramCounter;
-use crate::misc::emulator_error::{DeviceType, EmulatorError};
-use crate::misc::emulator_error::DeviceType::{CPU, PC};
 use crate::misc::endian::read_big_endian_u24;
 use crate::misc::result::EmulatorResult;
 
diff --git a/src/emu/iomem.rs b/src/emu/iomem.rs
index 5f00411..d05937d 100644
--- a/src/emu/iomem.rs
+++ b/src/emu/iomem.rs
@@ -1,7 +1,7 @@
 use std::cell::Cell;
 use crate::emu::mmu::Memory;
 use crate::emu::program_counter::ProgramCounter;
-use crate::misc::emulator_error::{DeviceType, EmulatorError};
+use crate::misc::emulator_error::{EmulatorError};
 use crate::misc::emulator_error::DeviceType::MMU;
 use crate::misc::endian::{read_big_endian_u16};
 use crate::misc::result::EmulatorResult;
diff --git a/src/emu/program_counter.rs b/src/emu/program_counter.rs
index 82e149d..054f469 100644
--- a/src/emu/program_counter.rs
+++ b/src/emu/program_counter.rs
@@ -1,5 +1,5 @@
 use std::cell::Cell;
-use crate::emu::mmu::{Memory, RAM_MEM_END};
+use crate::emu::mmu::{Memory};
 use crate::misc::emulator_error::DeviceType::PC;
 use crate::misc::emulator_error::EmulatorError;
 use crate::misc::endian::{read_big_endian_u24, write_big_endian_u24};
diff --git a/src/emu/ram.rs b/src/emu/ram.rs
index 5fd4fb7..4163a3c 100644
--- a/src/emu/ram.rs
+++ b/src/emu/ram.rs
@@ -1,5 +1,5 @@
 use std::cell::RefCell;
-use std::ops::Index;
+
 use crate::emu::mmu::Memory;
 use crate::misc::emulator_error::DeviceType::RAM;
 use crate::misc::emulator_error::EmulatorError;