diff --git a/Cargo.lock b/Cargo.lock
index 32659e98c..11f78aa50 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -242,15 +242,11 @@ dependencies = [
 name = "ethcore"
 version = "1.1.0"
 dependencies = [
- "bincode 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "clippy 0.0.63 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethash 1.1.0",
  "ethcore-devtools 1.1.0",
- "ethcore-ipc 1.1.0",
- "ethcore-ipc-codegen 1.1.0",
- "ethcore-ipc-nano 1.1.0",
  "ethcore-util 1.1.0",
  "ethjson 0.1.0",
  "heapsize 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -259,10 +255,6 @@ dependencies = [
  "num_cpus 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "rust-crypto 0.2.35 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "semver 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_codegen 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syntex 0.31.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -278,6 +270,7 @@ name = "ethcore-ipc"
 version = "1.1.0"
 dependencies = [
  "ethcore-devtools 1.1.0",
+ "ethcore-util 1.1.0",
  "nanomsg 0.5.0 (git+https://github.com/ethcore/nanomsg.rs.git)",
  "semver 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]