diff --git a/src/emulator/bus.rs b/src/emulator/bus.rs
index 77b7ea0..e029c6e 100644
--- a/src/emulator/bus.rs
+++ b/src/emulator/bus.rs
@@ -134,7 +134,7 @@ impl Bus {
             0xA000 ..= 0xBFFF => Module::Cartrigbe,   
             0xC000 ..= 0xFDFF => Module::Memory,    
             0xFE00 ..= 0xFE9F => Module::GPU,     
-            0xFEA0 ..= 0xFEFF => Module::Memory,
+            0xFEA0 ..= 0xFEFF => Module::Unusable,
             TMA | TIMA | DIV | TAC => Module::Timer,
             0xFF00 ..= 0xFF7F => Module::IO, 
             0xFF80 ..= 0xFFFE => Module::Memory,   
diff --git a/src/emulator/interrupt.rs b/src/emulator/interrupt.rs
index af873e6..997aba8 100644
--- a/src/emulator/interrupt.rs
+++ b/src/emulator/interrupt.rs
@@ -16,6 +16,7 @@ impl Default for EI {
 
 
 #[derive(Copy, Clone, PartialEq)]
+#[allow(dead_code)] //Serial will be used when we implement it
 pub enum Interrupt {
     VBlank,
     LCDC,
diff --git a/src/emulator/io_constants.rs b/src/emulator/io_constants.rs
index e6c5803..383327b 100644
--- a/src/emulator/io_constants.rs
+++ b/src/emulator/io_constants.rs
@@ -1,3 +1,5 @@
+#![allow(dead_code)] //unused constants will be used when sound is implemented
+
 pub const JOYP: u16   = 0xFF00; // Joypad info
 
 pub const SB: u16   = 0xFF01; // Serial transfer data
diff --git a/src/emulator/mod.rs b/src/emulator/mod.rs
index b4f1e57..f769a35 100644
--- a/src/emulator/mod.rs
+++ b/src/emulator/mod.rs
@@ -1,5 +1,3 @@
-#![allow(dead_code)]
-
 mod cpu;
 mod gpu;
 mod memory;
@@ -143,7 +141,7 @@ impl Gameboy {
             return 4;
         }
     }
-    
+
     pub fn insert(&mut self, file_name: String){
         self.bus.insert_cartrigbe(file_name);
     }