2 files changed, 3 insertions, 8 deletions

diff --git a/examples/std/Cargo.toml b/examples/std/Cargo.toml
index 2e2f0bd1c..9a9961a36 100644
--- a/examples/std/Cargo.toml
+++ b/examples/std/Cargo.toml
@@ -17,8 +17,3 @@ libc = "0.2.101"
 clap = { version = "3.0.0-beta.5", features = ["derive"] }
 rand_core   = { version = "0.6.3", features = ["std"] }
 heapless            = { version = "0.7.5", default-features = false }
-
-[dependencies.smoltcp]
-git = "https://github.com/bobmcwhirter/smoltcp"
-rev = "faf81d21daae16b650b16e59a8422a8283e8a302"
-default-features = false
diff --git a/examples/std/src/tuntap.rs b/examples/std/src/tuntap.rs
index a32099404..4d30118fb 100644
--- a/examples/std/src/tuntap.rs
+++ b/examples/std/src/tuntap.rs
@@ -1,7 +1,5 @@
 use async_io::Async;
-use libc;
 use log::*;
-use smoltcp::wire::EthernetFrame;
 use std::io;
 use std::io::{Read, Write};
 use std::os::unix::io::{AsRawFd, RawFd};
@@ -14,6 +12,8 @@ pub const _IFF_TUN: libc::c_int = 0x0001;
 pub const IFF_TAP: libc::c_int = 0x0002;
 pub const IFF_NO_PI: libc::c_int = 0x1000;
 
+const ETHERNET_HEADER_LEN: usize = 14;
+
 #[repr(C)]
 #[derive(Debug)]
 struct ifreq {
@@ -85,7 +85,7 @@ impl TunTap {
 
             // SIOCGIFMTU returns the IP MTU (typically 1500 bytes.)
             // smoltcp counts the entire Ethernet packet in the MTU, so add the Ethernet header size to it.
-            let mtu = ip_mtu + EthernetFrame::<&[u8]>::header_len();
+            let mtu = ip_mtu + ETHERNET_HEADER_LEN;
 
             Ok(TunTap { fd, mtu })
         }