diff --git a/src/app.rs b/src/app.rs
index 203b034..bd0fe24 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -53,10 +53,8 @@ impl App {
 
     pub fn play_pause(&mut self, prev_poll_t: &mut Duration) {
         if self.paused() {
-            // println!("Resuming: poll() = {:?}\r", prev_poll_t);
             self.poll_t = *prev_poll_t;
         } else {
-            // println!("Pausing...\r");
             *prev_poll_t = self.poll_t;
             self.poll_t = Duration::MAX;
         }
@@ -79,7 +77,6 @@ impl App {
                 .checked_sub(self.poll_t.checked_div(div).unwrap_or(DEF_DUR))
                 .unwrap_or(DEF_DUR);
         }
-        // println!("poll time is now: {:?}\r", self.poll_t());
     }
     pub fn slower(&mut self, big: bool) {
         if !self.paused {
@@ -89,7 +86,6 @@ impl App {
                 .checked_add(self.poll_t.checked_div(div).unwrap_or(DEF_DUR))
                 .unwrap_or(DEF_DUR);
         }
-        // println!("poll time is now: {:?}\r", self.poll_t());
     }
 
     pub fn next(&mut self) {
diff --git a/src/kmaps.rs b/src/kmaps.rs
index 4050792..f61510c 100644
--- a/src/kmaps.rs
+++ b/src/kmaps.rs
@@ -3,7 +3,6 @@ use crossterm::event::KeyCode;
 pub const PLAY_PAUSE: KeyCode = KeyCode::Char(' ');
 
 pub const SLOWER: KeyCode = KeyCode::Char('j');
-
 pub const SLOWER_BIG: KeyCode = KeyCode::Char('J');
 
 pub const FASTER: KeyCode = KeyCode::Char('k');
@@ -18,7 +17,4 @@ pub const RESET: KeyCode = KeyCode::Char('R');
 pub const NEXT: KeyCode = KeyCode::Char('n');
 pub const PREV: KeyCode = KeyCode::Char('p');
 
-pub const BIGGER: KeyCode = KeyCode::Char('+');
-pub const SMALLER: KeyCode = KeyCode::Char('-');
-
 pub const HELP: KeyCode = KeyCode::Char('?');
diff --git a/src/lib.rs b/src/lib.rs
index 4006869..42f802d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -73,7 +73,7 @@ impl Universe {
                 } else if ch == '_' || ch == ' ' || ch == '0' {
                     cells.push(Cell::Dead);
                 } else {
-                    eprintln!("Can't do nothing with this character: {ch}");
+                    eprintln!("can't do nothing with this character: {ch}");
                 }
             }
         }
@@ -98,8 +98,6 @@ impl Universe {
             .filter(|cell| cell == &&Cell::Alive)
             .count();
 
-        // println!("{}\r", &figur);
-
         if wh < figur.height() || wh < figur.width() {
             return Err(HandleError::TooBig);
         }
@@ -112,7 +110,6 @@ impl Universe {
         };
 
         let (start_row, start_col) = ((wh - figur.height()) / 2, (wh - figur.width()) / 2);
-        // println!("\r");
 
         let mut j = 0;
         for row in start_row as usize..start_row as usize + figur.height() as usize {
@@ -185,22 +182,6 @@ impl Universe {
     }
 }
 
-// impl fmt::Display for Universe {
-//     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-//         writeln!(f, "╭{}╮\r", "─".repeat(self.width as usize * 2))?;
-//         for line in self.cells.as_slice().chunks(self.width as usize) {
-//             write!(f, "│")?;
-//             for &cell in line {
-//                 let symbol = if cell == Cell::Dead { ' ' } else { '◼' }; // ◻
-//                 write!(f, "{symbol} ")?;
-//             }
-//             writeln!(f, "│\r")?;
-//         }
-//         writeln!(f, "╰{}╯\r", "─".repeat(self.width as usize * 2))?;
-//         Ok(())
-//     }
-// }
-
 impl fmt::Display for Universe {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         for line in self.cells.as_slice().chunks(self.width as usize) {
diff --git a/src/ui.rs b/src/ui.rs
index bb056e4..d767f98 100644
--- a/src/ui.rs
+++ b/src/ui.rs
@@ -19,8 +19,6 @@ pub fn ui(f: &mut Frame, app: &App) {
         .constraints([Constraint::Min(0), Constraint::Length(1)])
         .split(f.size());
 
-    // let current_shape = shapes::get(app.wh, app.i()).unwrap();
-
     let main_chunks = Layout::default()
         .direction(Direction::Horizontal)
         .constraints([Constraint::Percentage(50)])
@@ -32,12 +30,6 @@ pub fn ui(f: &mut Frame, app: &App) {
         .title("Conway's Game of Life");
     let universe = Paragraph::new(app.universe.to_string()).block(cgol);
 
-    // let shape = Paragraph::new(current_shape.to_string()).block(
-    //     Block::default()
-    //         .borders(Borders::ALL)
-    //         .border_type(BorderType::Rounded),
-    // );
-    // f.render_widget(universe, Rect::new(0, 0, app.wh() * 2 + 2, app.wh() + 2));
     f.render_widget(
         universe,
         Rect::new(
@@ -47,7 +39,6 @@ pub fn ui(f: &mut Frame, app: &App) {
             main_chunks[0].height - 1,
         ),
     );
-    // f.render_widget(shape, main_chunks[1]);
 
     let footer = Layout::default()
         .direction(Direction::Horizontal)
@@ -58,7 +49,6 @@ pub fn ui(f: &mut Frame, app: &App) {
         "[q]uit, [r]estart, [R]eset, [n]ext, [p]revious, play[ ]pause, 'k': faster, 'j': slower",
         Style::default().fg(Color::Yellow),
     );
-    // let key_notes_footer = Paragraph::new(current_keys_hint);
 
     let stat_style = Style::default().fg(Color::LightBlue);
     let poll_t = Span::styled(
@@ -72,21 +62,10 @@ pub fn ui(f: &mut Frame, app: &App) {
         ),
         stat_style,
     );
-    // let area_size = Span::styled(format!("Area size: {}", f.size()), stat_style);
-    // let wh = Span::styled(format!("wh: {:?}", app.wh()), stat_style);
 
     let div = Span::styled(" | ", Style::default().fg(Color::White));
-    let current_stats = vec![
-        current_keys_hint,
-        div.clone(),
-        poll_t,
-        // div.clone(),
-        // area_size,
-        // div.clone(),
-        // wh,
-    ];
+    let current_stats = vec![current_keys_hint, div.clone(), poll_t];
     let footer_data = Line::from(current_stats);
 
-    // f.render_widget(key_notes_footer, footer[0]);
     f.render_widget(footer_data, footer[0]);
 }