diff --git a/src/command.rs b/src/command.rs
index 1d37d0e..9de1d7e 100644
--- a/src/command.rs
+++ b/src/command.rs
@@ -127,11 +127,10 @@ impl TryFrom<u8> for VendorCommand {
     type Error = ();
 
     fn try_from(from: u8) -> core::result::Result<Self, ()> {
-        match from {
-            // code if code >= Self::FIRST && code <= Self::LAST => Ok(VendorCommand(code)),
-            code @ Self::FIRST..=Self::LAST => Ok(unsafe { core::mem::transmute(code) }),
-            // TODO: replace with Command::Unknown and infallible Try
-            _ => Err(()),
+        if (Self::FIRST..=Self::LAST).contains(&from) {
+            Ok(unsafe { core::mem::transmute::<u8, VendorCommand>(from) })
+        } else {
+            Err(())
         }
     }
 }
diff --git a/src/dispatch.rs b/src/dispatch.rs
index 951d3da..fdda759 100644
--- a/src/dispatch.rs
+++ b/src/dispatch.rs
@@ -12,7 +12,7 @@ pub struct Dispatch<'pipe, 'interrupt> {
     interrupt: Option<&'interrupt OptionRefSwap<'interrupt, InterruptFlag>>,
 }
 
-impl<'pipe, 'interrupt> Dispatch<'pipe, 'interrupt> {
+impl<'pipe> Dispatch<'pipe, '_> {
     pub fn new(responder: Responder<'pipe>) -> Self {
         Dispatch {
             responder,