diff --git a/firmware/src/command_parser.rs b/firmware/src/command_parser.rs
index 36be426..db8b397 100644
--- a/firmware/src/command_parser.rs
+++ b/firmware/src/command_parser.rs
@@ -1,4 +1,4 @@
-use logos::{Logos, Lexer};
+use logos::Logos;
 use super::session::ReportMode;
 
 #[derive(Logos, Debug, PartialEq)]
@@ -37,14 +37,14 @@ pub enum Error {
 }
 
 #[derive(Debug)]
-pub enum CommandShow {
+pub enum ShowCommand {
     ReportMode,
 }
 
 #[derive(Debug)]
 pub enum Command {
     Quit,
-    Show(CommandShow),
+    Show(ShowCommand),
     Report(ReportMode),
 }
 
@@ -73,7 +73,7 @@ impl Command {
             Quit => Ok(Command::Quit),
             Report => choice![
                 Mode => choice![
-                    End => Ok(Command::Show(CommandShow::ReportMode)),
+                    End => Ok(Command::Show(ShowCommand::ReportMode)),
                     Off => Ok(Command::Report(ReportMode::Off)),
                     Once => Ok(Command::Report(ReportMode::Once)),
                     Continuous => Ok(Command::Report(ReportMode::Continuous)),
diff --git a/firmware/src/main.rs b/firmware/src/main.rs
index 5fd4ffd..a1cae4c 100644
--- a/firmware/src/main.rs
+++ b/firmware/src/main.rs
@@ -35,7 +35,7 @@ mod board;
 use self::board::{gpio::Gpio, systick::get_time};
 mod ethmac;
 mod command_parser;
-use command_parser::{Command, CommandShow};
+use command_parser::{Command, ShowCommand};
 mod session;
 use self::session::{Session, SessionOutput};
 mod ad7172;
@@ -227,7 +227,7 @@ fn main() -> ! {
                     Ok(SessionOutput::Command(Command::Report(mode))) => {
                         let _ = writeln!(socket, "Report mode: {:?}", mode);
                     }
-                    Ok(SessionOutput::Command(Command::Show(CommandShow::ReportMode))) => {
+                    Ok(SessionOutput::Command(Command::Show(ShowCommand::ReportMode))) => {
                         let _ = writeln!(socket, "Report mode: {:?}", session.report_mode());
                     }
                     Ok(SessionOutput::Command(command)) => {
diff --git a/firmware/src/session.rs b/firmware/src/session.rs
index 0f18e0b..a1a8e04 100644
--- a/firmware/src/session.rs
+++ b/firmware/src/session.rs
@@ -17,7 +17,7 @@ impl LineReader {
     }
 
     pub fn feed(&mut self, c: u8) -> Option<&str> {
-        if (c == 13 || c == 10) {
+        if c == 13 || c == 10 {
             // Enter
             if self.pos > 0 {
                 let len = self.pos;