diff --git a/.test_like_travis.rb b/.test_like_travis.rb
index 59a367b..69bc031 100755
--- a/.test_like_travis.rb
+++ b/.test_like_travis.rb
@@ -9,7 +9,7 @@ travis_config['matrix']['include'].each do |env|
     ENV[$1] = $2
   end
   travis_config['script'].each do |cmd|
-    $stderr.puts('+ #{cmd}'.gsub(/\$(\w+)/) { ENV[$1] })
+    $stderr.puts('+ ' + cmd.gsub(/\$(\w+)/) { ENV[$1] })
     system(cmd)
   end
 end
diff --git a/Cargo.toml b/Cargo.toml
index 9eb8734..cb5ae8f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -52,19 +52,19 @@ required-features = ["std", "phy-raw_socket"]
 
 [[example]]
 name = "httpclient"
-required-features = ["std", "phy-tap_interface", "proto-ipv4", "socket-tcp"]
+required-features = ["std", "phy-tap_interface", "socket-tcp"]
 
 [[example]]
 name = "ping"
-required-features = ["std", "phy-tap_interface", "proto-ipv4", "socket-icmp"]
+required-features = ["std", "phy-tap_interface", "socket-icmp"]
 
 [[example]]
 name = "server"
-required-features = ["std", "phy-tap_interface", "proto-ipv4", "socket-tcp", "socket-udp"]
+required-features = ["std", "phy-tap_interface", "socket-tcp", "socket-udp"]
 
 [[example]]
 name = "client"
-required-features = ["std", "phy-tap_interface", "proto-ipv4", "socket-tcp", "socket-udp"]
+required-features = ["std", "phy-tap_interface", "socket-tcp", "socket-udp"]
 
 [[example]]
 name = "loopback"