diff --git a/message/src/common/service.rs b/message/src/common/service.rs
index cb7abdae..2f7594b1 100644
--- a/message/src/common/service.rs
+++ b/message/src/common/service.rs
@@ -50,15 +50,6 @@ impl Services {
 		self
 	}
 
-	pub fn bitcoin_cash(&self) -> bool {
-		self.bit_at(5)
-	}
-
-	pub fn with_bitcoin_cash(mut self, v: bool) -> Self {
-		self.set_bit(5, v);
-		self
-	}
-
 	pub fn includes(&self, other: &Self) -> bool {
 		self.0 & other.0 == other.0
 	}
diff --git a/p2p/src/p2p.rs b/p2p/src/p2p.rs
index 08d61d66..7f16d0eb 100644
--- a/p2p/src/p2p.rs
+++ b/p2p/src/p2p.rs
@@ -127,7 +127,6 @@ impl Context {
 
 				let needed = context.connection_counter.outbound_connections_needed() as usize;
 				if needed != 0 {
-					// TODO: pass Services::with_bitcoin_cash(true) after HF block
 					let used_addresses = context.connections.addresses();
 					let peers = context.node_table.read().nodes_with_services(&Services::default(), context.config.internet_protocol, &used_addresses, needed);
 					let addresses = peers.into_iter()
diff --git a/p2p/src/util/node_table.rs b/p2p/src/util/node_table.rs
index 1572c603..decefa78 100644
--- a/p2p/src/util/node_table.rs
+++ b/p2p/src/util/node_table.rs
@@ -607,9 +607,9 @@ mod tests {
 		let s0: SocketAddr = "127.0.0.1:8000".parse().unwrap();
 		let s1: SocketAddr = "127.0.0.1:8001".parse().unwrap();
 
-		let mut table = NodeTable::new(Services::default().with_network(true).with_bitcoin_cash(true));
+		let mut table = NodeTable::new(Services::default().with_network(true).with_xthin(true));
 		table.insert(s0, Services::default().with_network(true));
-		table.insert(s1, Services::default().with_network(true).with_bitcoin_cash(true));
+		table.insert(s1, Services::default().with_network(true).with_xthin(true));
 		assert_eq!(table.nodes_with_services(&Services::default(), InternetProtocol::default(), &HashSet::new(), 1)[0].address(), s1);
 
 		table.note_failure(&s1);
diff --git a/pbtc/cli.yml b/pbtc/cli.yml
index 74cc05d5..9ead440b 100644
--- a/pbtc/cli.yml
+++ b/pbtc/cli.yml
@@ -9,15 +9,6 @@ args:
     - regtest:
         long: regtest
         help: Use a private network for regression tests.
-    - btc:
-        long: btc
-        help: Use Bitcoin Core verification rules (BTC).
-    - bch:
-        long: bch
-        help: Use Bitcoin Cash verification rules (BCH).
-    - zcash:
-        long: zcash
-        help: Use ZCash verification rules (ZCH).
     - connect:
         short: c
         long: connect
diff --git a/verification/src/error.rs b/verification/src/error.rs
index a3d32f93..6ed5cc1a 100644
--- a/verification/src/error.rs
+++ b/verification/src/error.rs
@@ -103,7 +103,5 @@ pub enum TransactionError {
 	UnspentTransactionWithTheSameHash,
 	/// Using output that is surely spent
 	UsingSpentOutput(H256, u32),
-	/// Transaction, protected using BitcoinCash OP_RETURN replay protection (REQ-6-1).
-	ReturnReplayProtection,
 }