diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index 76b257eddd..9d7078f2d7 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -4544,20 +4544,6 @@ dependencies = [
  "sp-runtime",
 ]
 
-[[package]]
-name = "polkadot-node-bitfield-signing"
-version = "0.1.0"
-dependencies = [
- "bitvec",
- "derive_more 0.99.9",
- "futures 0.3.5",
- "log 0.4.8",
- "polkadot-node-subsystem",
- "polkadot-primitives",
- "sc-keystore",
- "wasm-timer",
-]
-
 [[package]]
 name = "polkadot-node-core-backing"
 version = "0.1.0"
@@ -4579,6 +4565,20 @@ dependencies = [
  "sp-keyring",
 ]
 
+[[package]]
+name = "polkadot-node-core-bitfield-signing"
+version = "0.1.0"
+dependencies = [
+ "bitvec",
+ "derive_more 0.99.9",
+ "futures 0.3.5",
+ "log 0.4.8",
+ "polkadot-node-subsystem",
+ "polkadot-primitives",
+ "sc-keystore",
+ "wasm-timer",
+]
+
 [[package]]
 name = "polkadot-node-core-proposer"
 version = "0.1.0"
diff --git a/polkadot/Cargo.toml b/polkadot/Cargo.toml
index 58211e1620..a18c98f83d 100644
--- a/polkadot/Cargo.toml
+++ b/polkadot/Cargo.toml
@@ -43,7 +43,7 @@ members = [
 	"service",
 	"validation",
 
-	"node/bitfield-signing",
+	"node/core/bitfield-signing",
 	"node/core/proposer",
 	"node/network/bridge",
 	"node/network/pov-distribution",
diff --git a/polkadot/node/bitfield-signing/Cargo.toml b/polkadot/node/core/bitfield-signing/Cargo.toml
similarity index 66%
rename from polkadot/node/bitfield-signing/Cargo.toml
rename to polkadot/node/core/bitfield-signing/Cargo.toml
index d1c7e902e9..b8a6cedcc5 100644
--- a/polkadot/node/bitfield-signing/Cargo.toml
+++ b/polkadot/node/core/bitfield-signing/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "polkadot-node-bitfield-signing"
+name = "polkadot-node-core-bitfield-signing"
 version = "0.1.0"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
@@ -9,7 +9,7 @@ bitvec = "0.17.4"
 derive_more = "0.99.9"
 futures = "0.3.5"
 log = "0.4.8"
-polkadot-primitives = { path = "../../primitives" }
-polkadot-node-subsystem = { path = "../subsystem" }
+polkadot-primitives = { path = "../../../primitives" }
+polkadot-node-subsystem = { path = "../../subsystem" }
 keystore = { package = "sc-keystore", git = "https://github.com/paritytech/substrate", branch = "master" }
 wasm-timer = "0.2.4"
diff --git a/polkadot/node/bitfield-signing/src/lib.rs b/polkadot/node/core/bitfield-signing/src/lib.rs
similarity index 100%
rename from polkadot/node/bitfield-signing/src/lib.rs
rename to polkadot/node/core/bitfield-signing/src/lib.rs