diff --git a/src/Tools/cdtypes/src/types/bcd.rs b/src/Tools/cdtypes/src/types/bcd.rs
index 095905d1..66ffbbc2 100644
--- a/src/Tools/cdtypes/src/types/bcd.rs
+++ b/src/Tools/cdtypes/src/types/bcd.rs
@@ -1,5 +1,5 @@
 #[derive(Debug)]
-#[derive(Clone)]
+#[derive(Clone, Copy)]
 pub struct BCDValue {
     value: u8
 }
diff --git a/src/Tools/cdtypes/src/types/date.rs b/src/Tools/cdtypes/src/types/date.rs
index b149944f..2f54e208 100644
--- a/src/Tools/cdtypes/src/types/date.rs
+++ b/src/Tools/cdtypes/src/types/date.rs
@@ -128,7 +128,7 @@ impl Date {
         let mut value = ['0' as u8;SIZE];
 
         for i in 0..SIZE {
-            value[(SIZE - 1 - i)] = ('0' as u32 + (number%10)) as u8;
+            value[SIZE - 1 - i] = ('0' as u32 + (number%10)) as u8;
             number /= 10;
         }
         value
diff --git a/src/Tools/cdtypes/src/types/error_correction/mod.rs b/src/Tools/cdtypes/src/types/error_correction/mod.rs
index e64c2d0b..e1a885de 100644
--- a/src/Tools/cdtypes/src/types/error_correction/mod.rs
+++ b/src/Tools/cdtypes/src/types/error_correction/mod.rs
@@ -4,13 +4,13 @@ use super::{sector::SECTOR_SIZE, lsb_msb::{ReadWriteEndian, LittleEndianU32}};
 type RawSector = [u8; SECTOR_SIZE];
 
 #[repr(packed(1))]
-#[derive(Clone, Default)]
+#[derive(Clone, Copy, Default)]
 pub struct EDC {
     data: LittleEndianU32
 }
 
 #[repr(packed(1))]
-#[derive(Clone)]
+#[derive(Clone, Copy)]
 pub struct ECC {
     data: [u8; 276]
 }
diff --git a/src/Tools/cdtypes/src/types/sector.rs b/src/Tools/cdtypes/src/types/sector.rs
index c8e49cff..3357f06c 100644
--- a/src/Tools/cdtypes/src/types/sector.rs
+++ b/src/Tools/cdtypes/src/types/sector.rs
@@ -37,7 +37,7 @@ pub enum SubHeaderForm {
 }
 
 #[repr(packed(1))]
-#[derive(Clone)]
+#[derive(Clone, Copy)]
 pub struct Sync {
     value: [u8; 12],
 }
@@ -59,7 +59,7 @@ impl std::fmt::Display for Sync {
 }
 
 #[repr(packed(1))]
-#[derive(Clone)]
+#[derive(Clone, Copy)]
 pub struct Header {
     minute: BCDValue,
     second: BCDValue,
@@ -107,7 +107,7 @@ impl Default for Header {
 }
 
 #[repr(packed(1))]
-#[derive(Clone)]
+#[derive(Clone, Copy)]
 pub struct SubHeader {
     pub file_number:    u8,
     pub channel_number: u8,
@@ -156,7 +156,7 @@ impl Default for SubHeader {
 }
 
 #[repr(packed(1))]
-#[derive(Clone)]
+#[derive(Clone, Copy)]
 pub struct SubMode {
     value: u8
 }
@@ -202,7 +202,7 @@ impl Default for SubMode {
 }
 
 #[repr(packed(1))]
-#[derive(Clone)]
+#[derive(Clone, Copy)]
 pub struct CodingInfo {
     value: u8
 }
diff --git a/src/Tools/psxcdgen_ex/src/encoder/psx.rs b/src/Tools/psxcdgen_ex/src/encoder/psx.rs
index 9d492144..3cc2e7e6 100644
--- a/src/Tools/psxcdgen_ex/src/encoder/psx.rs
+++ b/src/Tools/psxcdgen_ex/src/encoder/psx.rs
@@ -401,7 +401,7 @@ fn create_dir_record_raw<'a>(dst: &'a mut [u8], name: &str, track_rel_lba: u32,
     }
 
     unsafe {
-        let mut dir_record = std::mem::transmute::<&mut u8, &mut DirectoryRecord>(&mut dst[0]);
+        let dir_record = std::mem::transmute::<&mut u8, &mut DirectoryRecord>(&mut dst[0]);
         dir_record.new(name, has_system_use);
 
         dir_record.data_block_number.write(track_rel_lba);