diff --git a/bridges/modules/ethereum/src/error.rs b/bridges/modules/ethereum/src/error.rs
index 7fe9b4f802..82a2c82736 100644
--- a/bridges/modules/ethereum/src/error.rs
+++ b/bridges/modules/ethereum/src/error.rs
@@ -14,22 +14,6 @@
// You should have received a copy of the GNU General Public License
// along with Parity Bridges Common. If not, see .
-// Copyright 2019 Parity Technologies (UK) Ltd.
-// This file is part of Parity-Bridge.
-
-// Parity-Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity-Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity-Bridge. If not, see .
-
use sp_runtime::RuntimeDebug;
/// Header import error.
diff --git a/bridges/modules/ethereum/src/finality.rs b/bridges/modules/ethereum/src/finality.rs
index e2ea253172..62fc3be016 100644
--- a/bridges/modules/ethereum/src/finality.rs
+++ b/bridges/modules/ethereum/src/finality.rs
@@ -14,22 +14,6 @@
// You should have received a copy of the GNU General Public License
// along with Parity Bridges Common. If not, see .
-// Copyright 2019 Parity Technologies (UK) Ltd.
-// This file is part of Parity-Bridge.
-
-// Parity-Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity-Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity-Bridge. If not, see .
-
use crate::error::Error;
use crate::{ancestry, Storage};
use primitives::{public_to_address, Address, Header, SealedEmptyStep, H256};
diff --git a/bridges/modules/ethereum/src/import.rs b/bridges/modules/ethereum/src/import.rs
index 9b9f3e613c..82e84f706b 100644
--- a/bridges/modules/ethereum/src/import.rs
+++ b/bridges/modules/ethereum/src/import.rs
@@ -14,22 +14,6 @@
// You should have received a copy of the GNU General Public License
// along with Parity Bridges Common. If not, see .
-// Copyright 2019 Parity Technologies (UK) Ltd.
-// This file is part of Parity-Bridge.
-
-// Parity-Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity-Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity-Bridge. If not, see .
-
use crate::error::Error;
use crate::finality::finalize_blocks;
use crate::validators::{Validators, ValidatorsConfiguration};
diff --git a/bridges/modules/ethereum/src/lib.rs b/bridges/modules/ethereum/src/lib.rs
index 9a3317c973..398104fdbf 100644
--- a/bridges/modules/ethereum/src/lib.rs
+++ b/bridges/modules/ethereum/src/lib.rs
@@ -14,22 +14,6 @@
// You should have received a copy of the GNU General Public License
// along with Parity Bridges Common. If not, see .
-// Copyright 2019 Parity Technologies (UK) Ltd.
-// This file is part of Parity-Bridge.
-
-// Parity-Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity-Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity-Bridge. If not, see .
-
#![cfg_attr(not(feature = "std"), no_std)]
use codec::{Decode, Encode};
diff --git a/bridges/modules/ethereum/src/validators.rs b/bridges/modules/ethereum/src/validators.rs
index 3342f22450..24e34eb167 100644
--- a/bridges/modules/ethereum/src/validators.rs
+++ b/bridges/modules/ethereum/src/validators.rs
@@ -14,22 +14,6 @@
// You should have received a copy of the GNU General Public License
// along with Parity Bridges Common. If not, see .
-// Copyright 2019 Parity Technologies (UK) Ltd.
-// This file is part of Parity-Bridge.
-
-// Parity-Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity-Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity-Bridge. If not, see .
-
use crate::error::Error;
use crate::Storage;
use primitives::{Address, Header, LogEntry, Receipt, H256, U256};
diff --git a/bridges/modules/ethereum/src/verification.rs b/bridges/modules/ethereum/src/verification.rs
index 2104d7f21c..74bba803fb 100644
--- a/bridges/modules/ethereum/src/verification.rs
+++ b/bridges/modules/ethereum/src/verification.rs
@@ -14,22 +14,6 @@
// You should have received a copy of the GNU General Public License
// along with Parity Bridges Common. If not, see .
-// Copyright 2019 Parity Technologies (UK) Ltd.
-// This file is part of Parity-Bridge.
-
-// Parity-Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity-Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity-Bridge. If not, see .
-
use crate::error::Error;
use crate::validators::step_validator;
use crate::{AuraConfiguration, ImportContext, Storage};
diff --git a/bridges/primitives/ethereum-poa/src/lib.rs b/bridges/primitives/ethereum-poa/src/lib.rs
index b6b392a206..ca2afa605d 100644
--- a/bridges/primitives/ethereum-poa/src/lib.rs
+++ b/bridges/primitives/ethereum-poa/src/lib.rs
@@ -14,22 +14,6 @@
// You should have received a copy of the GNU General Public License
// along with Parity Bridges Common. If not, see .
-// Copyright 2019 Parity Technologies (UK) Ltd.
-// This file is part of Parity-Bridge.
-
-// Parity-Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity-Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity-Bridge. If not, see .
-
#![cfg_attr(not(feature = "std"), no_std)]
pub use parity_bytes::Bytes;
diff --git a/bridges/relays/ethereum/src/ethereum_client.rs b/bridges/relays/ethereum/src/ethereum_client.rs
index 2efa99598c..30a6bfb28a 100644
--- a/bridges/relays/ethereum/src/ethereum_client.rs
+++ b/bridges/relays/ethereum/src/ethereum_client.rs
@@ -14,22 +14,6 @@
// You should have received a copy of the GNU General Public License
// along with Parity Bridges Common. If not, see .
-// Copyright 2019 Parity Technologies (UK) Ltd.
-// This file is part of Parity-Bridge.
-
-// Parity-Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity-Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity-Bridge. If not, see .
-
use crate::ethereum_sync_loop::MaybeConnectionError;
use crate::ethereum_types::{Header, HeaderId, Receipt, H256, U64};
use jsonrpsee::common::Params;
diff --git a/bridges/relays/ethereum/src/ethereum_headers.rs b/bridges/relays/ethereum/src/ethereum_headers.rs
index 0fbc73f839..881bc15fee 100644
--- a/bridges/relays/ethereum/src/ethereum_headers.rs
+++ b/bridges/relays/ethereum/src/ethereum_headers.rs
@@ -14,22 +14,6 @@
// You should have received a copy of the GNU General Public License
// along with Parity Bridges Common. If not, see .
-// Copyright 2019 Parity Technologies (UK) Ltd.
-// This file is part of Parity-Bridge.
-
-// Parity-Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity-Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity-Bridge. If not, see .
-
use crate::ethereum_types::{Header, HeaderId, HeaderStatus, QueuedHeader, Receipt, H256};
use std::collections::{
btree_map::Entry as BTreeMapEntry, hash_map::Entry as HashMapEntry, BTreeMap, HashMap, HashSet,
diff --git a/bridges/relays/ethereum/src/ethereum_sync.rs b/bridges/relays/ethereum/src/ethereum_sync.rs
index 9c2834c1ae..df5698f7e0 100644
--- a/bridges/relays/ethereum/src/ethereum_sync.rs
+++ b/bridges/relays/ethereum/src/ethereum_sync.rs
@@ -14,22 +14,6 @@
// You should have received a copy of the GNU General Public License
// along with Parity Bridges Common. If not, see .
-// Copyright 2019 Parity Technologies (UK) Ltd.
-// This file is part of Parity-Bridge.
-
-// Parity-Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity-Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity-Bridge. If not, see .
-
use crate::ethereum_headers::QueuedHeaders;
use crate::ethereum_sync_loop::EthereumSyncParams;
use crate::ethereum_types::{HeaderId, HeaderStatus, QueuedHeader};
diff --git a/bridges/relays/ethereum/src/ethereum_sync_loop.rs b/bridges/relays/ethereum/src/ethereum_sync_loop.rs
index 6f61b423d2..5c91b27510 100644
--- a/bridges/relays/ethereum/src/ethereum_sync_loop.rs
+++ b/bridges/relays/ethereum/src/ethereum_sync_loop.rs
@@ -14,22 +14,6 @@
// You should have received a copy of the GNU General Public License
// along with Parity Bridges Common. If not, see .
-// Copyright 2019 Parity Technologies (UK) Ltd.
-// This file is part of Parity-Bridge.
-
-// Parity-Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity-Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity-Bridge. If not, see .
-
use crate::ethereum_client;
use crate::ethereum_types::HeaderStatus as EthereumHeaderStatus;
use crate::substrate_client;
diff --git a/bridges/relays/ethereum/src/ethereum_types.rs b/bridges/relays/ethereum/src/ethereum_types.rs
index a83c4b666b..beb6c100fb 100644
--- a/bridges/relays/ethereum/src/ethereum_types.rs
+++ b/bridges/relays/ethereum/src/ethereum_types.rs
@@ -14,22 +14,6 @@
// You should have received a copy of the GNU General Public License
// along with Parity Bridges Common. If not, see .
-// Copyright 2019 Parity Technologies (UK) Ltd.
-// This file is part of Parity-Bridge.
-
-// Parity-Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity-Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity-Bridge. If not, see .
-
pub use web3::types::{Bytes, H256, U128, U64};
/// When header is just received from the Ethereum node, we check that it has
diff --git a/bridges/relays/ethereum/src/main.rs b/bridges/relays/ethereum/src/main.rs
index 28ff6d18d9..9feb34462b 100644
--- a/bridges/relays/ethereum/src/main.rs
+++ b/bridges/relays/ethereum/src/main.rs
@@ -14,22 +14,6 @@
// You should have received a copy of the GNU General Public License
// along with Parity Bridges Common. If not, see .
-// Copyright 2019 Parity Technologies (UK) Ltd.
-// This file is part of Parity-Bridge.
-
-// Parity-Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity-Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity-Bridge. If not, see .
-
#![recursion_limit = "1024"]
mod ethereum_client;
diff --git a/bridges/relays/ethereum/src/substrate_client.rs b/bridges/relays/ethereum/src/substrate_client.rs
index 885bf57bec..799bf6151e 100644
--- a/bridges/relays/ethereum/src/substrate_client.rs
+++ b/bridges/relays/ethereum/src/substrate_client.rs
@@ -14,22 +14,6 @@
// You should have received a copy of the GNU General Public License
// along with Parity Bridges Common. If not, see .
-// Copyright 2019 Parity Technologies (UK) Ltd.
-// This file is part of Parity-Bridge.
-
-// Parity-Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity-Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity-Bridge. If not, see .
-
use crate::ethereum_sync_loop::MaybeConnectionError;
use crate::ethereum_types::{Bytes, HeaderId as EthereumHeaderId, QueuedHeader as QueuedEthereumHeader, H256};
use crate::substrate_types::{into_substrate_ethereum_header, into_substrate_ethereum_receipts, TransactionHash};
diff --git a/bridges/relays/ethereum/src/substrate_types.rs b/bridges/relays/ethereum/src/substrate_types.rs
index fd1f07e693..f056b71011 100644
--- a/bridges/relays/ethereum/src/substrate_types.rs
+++ b/bridges/relays/ethereum/src/substrate_types.rs
@@ -14,22 +14,6 @@
// You should have received a copy of the GNU General Public License
// along with Parity Bridges Common. If not, see .
-// Copyright 2019 Parity Technologies (UK) Ltd.
-// This file is part of Parity-Bridge.
-
-// Parity-Bridge is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Parity-Bridge is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Parity-Bridge. If not, see .
-
pub use crate::ethereum_types::H256 as TransactionHash;
use crate::ethereum_types::{
Header as EthereumHeader, Receipt as EthereumReceipt, HEADER_ID_PROOF as ETHEREUM_HEADER_ID_PROOF,