diff --git a/relays/messages/src/message_race_delivery.rs b/relays/messages/src/message_race_delivery.rs
index 0d957fd8b7..c704a7b561 100644
--- a/relays/messages/src/message_race_delivery.rs
+++ b/relays/messages/src/message_race_delivery.rs
@@ -124,8 +124,8 @@ where
 			self.client.latest_confirmed_received_nonce(at_block).await?;
 
 		if let Some(metrics_msg) = self.metrics_msg.as_ref() {
-			metrics_msg.update_source_latest_generated_nonce::<P>(latest_generated_nonce);
-			metrics_msg.update_source_latest_confirmed_nonce::<P>(latest_confirmed_nonce);
+			metrics_msg.update_source_latest_generated_nonce(latest_generated_nonce);
+			metrics_msg.update_source_latest_confirmed_nonce(latest_confirmed_nonce);
 		}
 
 		let new_nonces = if latest_generated_nonce > prev_latest_nonce {
@@ -195,8 +195,8 @@ where
 
 		if update_metrics {
 			if let Some(metrics_msg) = self.metrics_msg.as_ref() {
-				metrics_msg.update_target_latest_received_nonce::<P>(latest_received_nonce);
-				metrics_msg.update_target_latest_confirmed_nonce::<P>(latest_confirmed_nonce);
+				metrics_msg.update_target_latest_received_nonce(latest_received_nonce);
+				metrics_msg.update_target_latest_confirmed_nonce(latest_confirmed_nonce);
 			}
 		}
 
diff --git a/relays/messages/src/message_race_receiving.rs b/relays/messages/src/message_race_receiving.rs
index 70a3d7c247..e6497a1b79 100644
--- a/relays/messages/src/message_race_receiving.rs
+++ b/relays/messages/src/message_race_receiving.rs
@@ -112,7 +112,7 @@ where
 	) -> Result<(TargetHeaderIdOf<P>, SourceClientNonces<Self::NoncesRange>), Self::Error> {
 		let (at_block, latest_received_nonce) = self.client.latest_received_nonce(at_block).await?;
 		if let Some(metrics_msg) = self.metrics_msg.as_ref() {
-			metrics_msg.update_target_latest_received_nonce::<P>(latest_received_nonce);
+			metrics_msg.update_target_latest_received_nonce(latest_received_nonce);
 		}
 		Ok((
 			at_block,
@@ -174,7 +174,7 @@ where
 			self.client.latest_confirmed_received_nonce(at_block).await?;
 		if update_metrics {
 			if let Some(metrics_msg) = self.metrics_msg.as_ref() {
-				metrics_msg.update_source_latest_confirmed_nonce::<P>(latest_confirmed_nonce);
+				metrics_msg.update_source_latest_confirmed_nonce(latest_confirmed_nonce);
 			}
 		}
 		Ok((at_block, TargetClientNonces { latest_nonce: latest_confirmed_nonce, nonces_data: () }))
diff --git a/relays/messages/src/metrics.rs b/relays/messages/src/metrics.rs
index 20c6986b47..69d80d178d 100644
--- a/relays/messages/src/metrics.rs
+++ b/relays/messages/src/metrics.rs
@@ -101,7 +101,7 @@ impl MessageLaneLoopMetrics {
 	}
 
 	/// Update latest generated nonce at source.
-	pub fn update_source_latest_generated_nonce<P: MessageLane>(
+	pub fn update_source_latest_generated_nonce(
 		&self,
 		source_latest_generated_nonce: MessageNonce,
 	) {
@@ -111,7 +111,7 @@ impl MessageLaneLoopMetrics {
 	}
 
 	/// Update the latest confirmed nonce at source.
-	pub fn update_source_latest_confirmed_nonce<P: MessageLane>(
+	pub fn update_source_latest_confirmed_nonce(
 		&self,
 		source_latest_confirmed_nonce: MessageNonce,
 	) {
@@ -121,17 +121,14 @@ impl MessageLaneLoopMetrics {
 	}
 
 	/// Update the latest received nonce at target.
-	pub fn update_target_latest_received_nonce<P: MessageLane>(
-		&self,
-		target_latest_generated_nonce: MessageNonce,
-	) {
+	pub fn update_target_latest_received_nonce(&self, target_latest_generated_nonce: MessageNonce) {
 		self.lane_state_nonces
 			.with_label_values(&["target_latest_received"])
 			.set(target_latest_generated_nonce);
 	}
 
 	/// Update the latest confirmed nonce at target.
-	pub fn update_target_latest_confirmed_nonce<P: MessageLane>(
+	pub fn update_target_latest_confirmed_nonce(
 		&self,
 		target_latest_confirmed_nonce: MessageNonce,
 	) {