diff --git a/src/compiling/compiler.rs b/src/compiling/compiler.rs
index 806d9dd..4fd2592 100644
--- a/src/compiling/compiler.rs
+++ b/src/compiling/compiler.rs
@@ -67,7 +67,6 @@ pub enum ScopingMode {
 /// # }
 /// ```
 #[derive(Debug, Clone, PartialEq)]
-#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct Compiler {
     /// Name of your language
     pub name: String,
diff --git a/src/compiling/lexing/lexer.rs b/src/compiling/lexing/lexer.rs
index 8836ef9..8425e33 100644
--- a/src/compiling/lexing/lexer.rs
+++ b/src/compiling/lexing/lexer.rs
@@ -14,12 +14,8 @@ use super::{
     LexerError, LexerErrorType,
 };
 
-#[cfg(feature = "serde")]
-use serde::{Serialize, Deserialize};
-
 ///  Lexer
 #[derive(Debug, Clone, PartialEq)]
-#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct Lexer {
     rules: Rules,
     /// Path to the lexed file
@@ -32,14 +28,13 @@ pub struct Lexer {
     pub scoping_mode: ScopingMode,
 }
 
-#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
-struct LexState<'a> {
+struct LexState {
     word: String,
     is_indenting: bool,
     is_escaped: bool,
     token_start_index: usize,
     position: (usize, usize),
-    reader: Reader<'a>,
+    reader: Reader,
     lexem: Vec<Token>,
     region_handler: RegionHandler,
     compound_handler: CompoundHandler,
diff --git a/src/compiling/lexing/reader.rs b/src/compiling/lexing/reader.rs
index 438fae9..ae7c20b 100644
--- a/src/compiling/lexing/reader.rs
+++ b/src/compiling/lexing/reader.rs
@@ -1,27 +1,22 @@
-#[cfg(feature = "serde")]
-use serde::{Serialize, Deserialize};
-
 const BEGINNING: (usize, usize) = (0, 1);
 
-#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub enum ReadMode {
     History,
     Future
 }
 
-#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
-pub struct Reader<'a> {
-    pub code: &'a String,
+pub struct Reader {
+    pub code: String,
     pub row: usize,
     pub col: usize,
     pub index: usize,
     pub new_line: bool
 }
 
-impl<'a> Reader<'a> {
-    pub fn new(code: &'a String) -> Self {
+impl Reader {
+    pub fn new(code: &String) -> Self {
         Reader {
-            code,
+            code: code.clone(),
             row: BEGINNING.0,
             col: BEGINNING.1,
             index: 0,
@@ -116,7 +111,7 @@ impl<'a> Reader<'a> {
     }
 }
 
-impl<'a> Iterator for Reader<'a> {
+impl Iterator for Reader {
     type Item = char;
 
     fn next(&mut self) -> Option<Self::Item> {