diff --git a/bridges/bin/runtime-common/src/messages.rs b/bridges/bin/runtime-common/src/messages.rs
index 50944826ddeae..57f3f38cb2efb 100644
--- a/bridges/bin/runtime-common/src/messages.rs
+++ b/bridges/bin/runtime-common/src/messages.rs
@@ -532,7 +532,6 @@ pub mod source {
 		/// Runtime message sender adapter.
 		type MessageSender: bp_messages::source_chain::MessagesBridge<
 			OriginOf<ThisChain<Self::MessageBridge>>,
-			AccountIdOf<ThisChain<Self::MessageBridge>>,
 			BalanceOf<ThisChain<Self::MessageBridge>>,
 			FromThisChainMessagePayload,
 		>;
diff --git a/bridges/modules/messages/src/lib.rs b/bridges/modules/messages/src/lib.rs
index 0580a0ffdfac5..962fd8f791578 100644
--- a/bridges/modules/messages/src/lib.rs
+++ b/bridges/modules/messages/src/lib.rs
@@ -775,12 +775,8 @@ pub mod pallet {
 }
 
 impl<T, I>
-	bp_messages::source_chain::MessagesBridge<
-		T::Origin,
-		T::AccountId,
-		T::OutboundMessageFee,
-		T::OutboundPayload,
-	> for Pallet<T, I>
+	bp_messages::source_chain::MessagesBridge<T::Origin, T::OutboundMessageFee, T::OutboundPayload>
+	for Pallet<T, I>
 where
 	T: Config<I>,
 	I: 'static,
diff --git a/bridges/primitives/messages/src/source_chain.rs b/bridges/primitives/messages/src/source_chain.rs
index 5c6283a803602..70b52dc63aab8 100644
--- a/bridges/primitives/messages/src/source_chain.rs
+++ b/bridges/primitives/messages/src/source_chain.rs
@@ -182,7 +182,7 @@ pub struct SendMessageArtifacts {
 }
 
 /// Messages bridge API to be used from other pallets.
-pub trait MessagesBridge<SenderOrigin, AccountId, Balance, Payload> {
+pub trait MessagesBridge<SenderOrigin, Balance, Payload> {
 	/// Error type.
 	type Error: Debug;
 
@@ -201,8 +201,8 @@ pub trait MessagesBridge<SenderOrigin, AccountId, Balance, Payload> {
 #[derive(Eq, RuntimeDebug, PartialEq)]
 pub struct NoopMessagesBridge;
 
-impl<SenderOrigin, AccountId, Balance, Payload>
-	MessagesBridge<SenderOrigin, AccountId, Balance, Payload> for NoopMessagesBridge
+impl<SenderOrigin, Balance, Payload> MessagesBridge<SenderOrigin, Balance, Payload>
+	for NoopMessagesBridge
 {
 	type Error = &'static str;