diff --git a/CHANGELOG.md b/CHANGELOG.md
index bbc9a18..0a47b34 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,5 @@
 
-# [Unreleased]
+# 0.11.0 - 2018-08-22
 
 * Update `rand` to 0.4 and `gcc` 0.3 to `cc` 1.0. (`rand` 0.5 exists but has a lot of breaking changes and no longer compiles with 1.14.0.)
 * Remove `PublicKey::combine` from API since it cannot be used with anything else in the API
diff --git a/Cargo.toml b/Cargo.toml
index 08b7eae..ec0103f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 
 name = "secp256k1"
-version = "0.10.0"
+version = "0.11.0"
 authors = [ "Dawid Ciężarkiewicz <dpc@ucore.info>",
             "Andrew Poelstra <apoelstra@wpsoftware.net>" ]
 license = "CC0-1.0"
diff --git a/src/key.rs b/src/key.rs
index 042d2f2..5bab047 100644
--- a/src/key.rs
+++ b/src/key.rs
@@ -17,7 +17,7 @@
 
 #[cfg(any(test, feature = "rand"))] use rand::Rng;
 
-use std::{fmt, mem};
+use std::fmt;
 
 use super::{Secp256k1};
 use super::Error::{self, InvalidPublicKey, InvalidSecretKey};