diff --git a/src/Tools/psxcdgen_ex/src/main.rs b/src/Tools/psxcdgen_ex/src/main.rs
index d9a38722..5adb8d9a 100644
--- a/src/Tools/psxcdgen_ex/src/main.rs
+++ b/src/Tools/psxcdgen_ex/src/main.rs
@@ -24,7 +24,6 @@ fn populate() -> Result<CDDesc, Error> {
     desc.root.add_file(file);
     desc.root.add_file(file2);
 
-    desc.calculate_lbas();
     Ok(desc)
 }
 
@@ -35,8 +34,8 @@ fn run_main() -> Result<(), Error> {
         match element {
             Layout::SystemArea(_)               => println!("SystemArea:"),
             Layout::PVD(_)                      => println!("PVD:"),
-            Layout::Directory{name, properties} => println!("Dir: {} @{}", name, properties.lba.unwrap_or(0)),
-            Layout::File(file)                  => println!("File: {} @{}", file, file.get_lba().unwrap_or(0)),
+            Layout::Directory{name, properties} => println!("Dir: {} @{}", name, properties.lba),
+            Layout::File(file)                  => println!("File: {} @{}", file, file.get_lba()),
         }
     }
     Ok(())
diff --git a/src/Tools/psxcdgen_ex/src/types/lba_calculator.rs b/src/Tools/psxcdgen_ex/src/types/lba_calculator.rs
deleted file mode 100644
index 65520fae..00000000
--- a/src/Tools/psxcdgen_ex/src/types/lba_calculator.rs
+++ /dev/null
@@ -1,13 +0,0 @@
-use super::layout::MemoryLayoutMut;
-
-pub fn calculate(layout: MemoryLayoutMut, start_lba: usize) -> usize {
-    let lba = start_lba;
-
-    for element in layout.into_iter() {
-        match element {
-            _ => println!("LBA calculation not implemented yet")
-        }
-    }
-
-    lba
-}
\ No newline at end of file
diff --git a/src/Tools/psxcdgen_ex/src/types/mod.rs b/src/Tools/psxcdgen_ex/src/types/mod.rs
index 6bb2a3e7..6ad7d448 100644
--- a/src/Tools/psxcdgen_ex/src/types/mod.rs
+++ b/src/Tools/psxcdgen_ex/src/types/mod.rs
@@ -1,5 +1,4 @@
 pub mod layout;
-mod lba_calculator;
 
 use cdtypes::types::cdstring::DString;
 use tool_helper::Error;
@@ -18,10 +17,6 @@ impl CDDesc {
         }
     }
 
-    pub fn calculate_lbas(&mut self) {
-        lba_calculator::calculate(self.get_memory_layout_mut(), 0);
-    }
-
     pub fn get_memory_layout(&self) -> layout::MemoryLayout {
         layout::DefaultLayout::new(self)
     }
@@ -69,7 +64,7 @@ impl Directory {
         self.files.push(file);
     }
 
-    pub fn get_lba(&self) -> Option<usize> {
+    pub fn get_lba(&self) -> usize {
         self.properties.lba
     }
 }
@@ -90,7 +85,7 @@ impl File {
         Ok(File{name: FileName::from_str(file_name)?, properties: Properties::default()})
     }
 
-    pub fn get_lba(&self) -> Option<usize> {
+    pub fn get_lba(&self) -> usize {
         self.properties.lba
     }
 }
@@ -153,13 +148,14 @@ impl std::fmt::Display for FileName {
 }
 
 pub struct Properties {
-    pub lba:    Option<usize>,
-    pub size_b: Option<usize>
+    pub lba:                    usize,
+    pub overwrite_size_sectors: Option<usize>,
+    pub is_hidden:              bool
 }
 
 impl Default for Properties {
     fn default() -> Self {
-        Properties{lba: None, size_b: None}
+        Properties{lba: 0, overwrite_size_sectors: None, is_hidden: false}
     }
 }