diff --git a/.gitignore b/.gitignore
index e647e990..3abb8e62 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 *.rs.bk
 *.svd
 target
+Cargo.lock
diff --git a/Cargo.lock b/Cargo.lock
deleted file mode 100644
index 3396d588..00000000
--- a/Cargo.lock
+++ /dev/null
@@ -1,245 +0,0 @@
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diff --git a/Cargo.toml b/Cargo.toml
index a0d7ded5..030bd2ac 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,7 +29,6 @@ path = "src/main.rs"
 [dependencies]
 cast = "0.2.2"
 clap = "2.26.0"
-either = "1.1.0"
 error-chain = "0.11.0"
 inflections = "1.1.0"
 quote = "0.3.15"
diff --git a/src/main.rs b/src/main.rs
index e10bb0f0..01064e4c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2,7 +2,6 @@
 
 extern crate cast;
 extern crate clap;
-extern crate either;
 #[macro_use]
 extern crate error_chain;
 extern crate inflections;