diff --git a/ethcore/src/lib.rs b/ethcore/src/lib.rs
index 949b4100d..0b62ec4fb 100644
--- a/ethcore/src/lib.rs
+++ b/ethcore/src/lib.rs
@@ -85,7 +85,7 @@ extern crate num_cpus;
 extern crate crossbeam;
 extern crate ethjson;
 extern crate bloomchain;
-extern crate ethcore_ipc as ipc;
+#[macro_use] extern crate ethcore_ipc as ipc;
 
 #[cfg(test)] extern crate ethcore_devtools as devtools;
 #[cfg(feature = "jit" )] extern crate evmjit;
diff --git a/ethcore/src/types/ids.rs b/ethcore/src/types/ids.rs
index 7d5a4c5fc..2250c8dfe 100644
--- a/ethcore/src/types/ids.rs
+++ b/ethcore/src/types/ids.rs
@@ -18,9 +18,13 @@
 
 use util::hash::H256;
 use header::BlockNumber;
+use ipc::binary::BinaryConvertError;
+use ipc::binary::BinaryConvertable;
+use std::mem;
+use std::collections::VecDeque;
 
 /// Uniquely identifies block.
-#[derive(Debug, PartialEq, Clone, Hash, Eq)]
+#[derive(Debug, PartialEq, Clone, Hash, Eq, Binary)]
 pub enum BlockId {
 	/// Block's sha3.
 	/// Querying by hash is always faster.
@@ -34,7 +38,7 @@ pub enum BlockId {
 }
 
 /// Uniquely identifies transaction.
-#[derive(Debug, PartialEq, Clone, Hash, Eq)]
+#[derive(Debug, PartialEq, Clone, Hash, Eq, Binary)]
 pub enum TransactionId {
 	/// Transaction's sha3.
 	Hash(H256),
@@ -58,4 +62,3 @@ pub struct UncleId (
 	/// Position in block.
 	pub usize
 );
-
diff --git a/ipc/rpc/src/binary.rs b/ipc/rpc/src/binary.rs
index 58ab38bf1..4fb359f7c 100644
--- a/ipc/rpc/src/binary.rs
+++ b/ipc/rpc/src/binary.rs
@@ -389,6 +389,7 @@ pub fn serialize<T: BinaryConvertable>(t: &T) -> Result<Vec<u8>, BinaryConvertEr
 	Ok(buff.into_inner())
 }
 
+#[macro_export]
 macro_rules! binary_fixed_size {
 	($target_ty: ty) => {
 		impl BinaryConvertable for $target_ty {