diff --git a/src/virtual_device.rs b/src/virtual_device.rs
index 0054690..57ad3a1 100644
--- a/src/virtual_device.rs
+++ b/src/virtual_device.rs
@@ -119,8 +119,7 @@ impl smoltcp::phy::TxToken for TxToken {
     where
         F: FnOnce(&mut [u8]) -> smoltcp::Result<R>,
     {
-        let mut buffer = Vec::new();
-        buffer.resize(len, 0);
+        let mut buffer = vec![0; len];
         let result = f(&mut buffer);
         self.sender
             .send(Event::OutboundInternetPacket(buffer.into()));
diff --git a/src/virtual_iface/tcp.rs b/src/virtual_iface/tcp.rs
index 32706a0..8a7a509 100644
--- a/src/virtual_iface/tcp.rs
+++ b/src/virtual_iface/tcp.rs
@@ -229,7 +229,7 @@ impl VirtualInterfacePoll for TcpVirtualInterface {
                                 next_poll = None;
                             }
                         }
-                        Event::VirtualDeviceFed(protocol) if protocol == PortProtocol::Tcp => {
+                        Event::VirtualDeviceFed(PortProtocol::Tcp) => {
                             next_poll = None;
                         }
                         _ => {}
diff --git a/src/virtual_iface/udp.rs b/src/virtual_iface/udp.rs
index be63071..a3d1652 100644
--- a/src/virtual_iface/udp.rs
+++ b/src/virtual_iface/udp.rs
@@ -198,7 +198,7 @@ impl VirtualInterfacePoll for UdpVirtualInterface {
                             }
                             next_poll = None;
                         }
-                        Event::VirtualDeviceFed(protocol) if protocol == PortProtocol::Udp => {
+                        Event::VirtualDeviceFed(PortProtocol::Udp) => {
                             next_poll = None;
                         }
                         _ => {}