diff --git a/common/nym-lp-data/src/clients/types.rs b/common/nym-lp-data/src/clients/types.rs
index 226b9bd032..879b0f8bcc 100644
--- a/common/nym-lp-data/src/clients/types.rs
+++ b/common/nym-lp-data/src/clients/types.rs
@@ -124,7 +124,7 @@ where
     const OVERHEAD_SIZE: usize = T::OVERHEAD_SIZE;
 
     fn to_transport_packet(
-        &self,
+        &mut self,
         frame: AddressedTimedData<Ts, T::Frame, NdId>,
     ) -> AddressedTimedData<Ts, Pkt, NdId> {
         self.transport.to_transport_packet(frame)
diff --git a/common/nym-lp-data/src/common/helpers.rs b/common/nym-lp-data/src/common/helpers.rs
index 529188e8c0..7ff9bd85dc 100644
--- a/common/nym-lp-data/src/common/helpers.rs
+++ b/common/nym-lp-data/src/common/helpers.rs
@@ -40,7 +40,7 @@ where
     type Frame = Vec<u8>;
     const OVERHEAD_SIZE: usize = 0;
     fn to_transport_packet(
-        &self,
+        &mut self,
         frame: AddressedTimedPayload<Ts, NdId>,
     ) -> AddressedTimedData<Ts, Pkt, NdId> {
         frame.data_transform(|data| data.into())
@@ -83,7 +83,11 @@ where
 {
     type Frame = Vec<u8>;
     type Error = std::convert::Infallible;
-    fn packet_to_frame(&self, packet: Pkt, timestamp: Ts) -> Result<TimedPayload<Ts>, Self::Error> {
+    fn packet_to_frame(
+        &mut self,
+        packet: Pkt,
+        timestamp: Ts,
+    ) -> Result<TimedPayload<Ts>, Self::Error> {
         Ok(TimedData {
             timestamp,
             data: packet.into(),
diff --git a/common/nym-lp-data/src/common/traits.rs b/common/nym-lp-data/src/common/traits.rs
index 4910d064a9..bbe9e6db90 100644
--- a/common/nym-lp-data/src/common/traits.rs
+++ b/common/nym-lp-data/src/common/traits.rs
@@ -66,7 +66,7 @@ pub trait Transport<Ts, Pkt, NdId> {
     type Frame;
     const OVERHEAD_SIZE: usize;
     fn to_transport_packet(
-        &self,
+        &mut self,
         frame: AddressedTimedData<Ts, Self::Frame, NdId>,
     ) -> AddressedTimedData<Ts, Pkt, NdId>;
 }
@@ -88,7 +88,7 @@ pub trait TransportUnwrap<Ts, Pkt> {
     type Frame;
     type Error;
     fn packet_to_frame(
-        &self,
+        &mut self,
         packet: Pkt,
         timestamp: Ts,
     ) -> Result<TimedData<Ts, Self::Frame>, Self::Error>;
diff --git a/common/nym-lp-data/tests/integration/common/mod.rs b/common/nym-lp-data/tests/integration/common/mod.rs
index 252d00a860..15360cde73 100644
--- a/common/nym-lp-data/tests/integration/common/mod.rs
+++ b/common/nym-lp-data/tests/integration/common/mod.rs
@@ -210,7 +210,7 @@ impl<Ts> Transport<Ts, LpPacket, u8> for LpTransport {
     type Frame = LpFrame;
     const OVERHEAD_SIZE: usize = LpHeader::SIZE;
     fn to_transport_packet(
-        &self,
+        &mut self,
         input: AddressedTimedData<Ts, Self::Frame, u8>,
     ) -> AddressedTimedData<Ts, LpPacket, u8> {
         AddressedTimedData::new_addressed(
diff --git a/nym-mix-sim/src/client/simple.rs b/nym-mix-sim/src/client/simple.rs
index 7c705f6b63..e000c7bee6 100644
--- a/nym-mix-sim/src/client/simple.rs
+++ b/nym-mix-sim/src/client/simple.rs
@@ -191,7 +191,7 @@ impl<Ts: Clone> Transport<Ts, SimplePacket, NodeId> for SimpleClientWrappingPipe
     type Frame = SimpleFrame;
     const OVERHEAD_SIZE: usize = <SimpleWireWrapper as Transport<Ts, _, _>>::OVERHEAD_SIZE;
     fn to_transport_packet(
-        &self,
+        &mut self,
         frame: AddressedTimedData<Ts, SimpleFrame, NodeId>,
     ) -> AddressedTimedData<Ts, SimplePacket, NodeId> {
         self.0.to_transport_packet(frame)
@@ -239,7 +239,7 @@ impl<Ts: Clone> TransportUnwrap<Ts, SimplePacket> for SimpleClientUnwrapping {
     type Frame = SimpleFrame;
     type Error = anyhow::Error;
     fn packet_to_frame(
-        &self,
+        &mut self,
         packet: SimplePacket,
         timestamp: Ts,
     ) -> anyhow::Result<TimedData<Ts, SimpleFrame>> {
diff --git a/nym-mix-sim/src/node/simple.rs b/nym-mix-sim/src/node/simple.rs
index fb2e51f3f0..3b666674dc 100644
--- a/nym-mix-sim/src/node/simple.rs
+++ b/nym-mix-sim/src/node/simple.rs
@@ -128,7 +128,7 @@ impl<Ts: Clone> Transport<Ts, SimplePacket, NodeId> for SimpleProcessingNode {
     type Frame = SimpleFrame;
     const OVERHEAD_SIZE: usize = <SimpleWireWrapper as Transport<Ts, _, _>>::OVERHEAD_SIZE;
     fn to_transport_packet(
-        &self,
+        &mut self,
         frame: AddressedTimedData<Ts, SimpleFrame, NodeId>,
     ) -> AddressedTimedData<Ts, SimplePacket, NodeId> {
         self.wrapper.to_transport_packet(frame)
@@ -157,7 +157,7 @@ impl<Ts: Clone> TransportUnwrap<Ts, SimplePacket> for SimpleProcessingNode {
     type Frame = SimpleFrame;
     type Error = anyhow::Error;
     fn packet_to_frame(
-        &self,
+        &mut self,
         packet: SimplePacket,
         timestamp: Ts,
     ) -> anyhow::Result<TimedData<Ts, SimpleFrame>> {
diff --git a/nym-mix-sim/src/packet/simple.rs b/nym-mix-sim/src/packet/simple.rs
index b0ff11f9d0..7a58ae857b 100644
--- a/nym-mix-sim/src/packet/simple.rs
+++ b/nym-mix-sim/src/packet/simple.rs
@@ -221,7 +221,7 @@ impl<Ts: Clone> Transport<Ts, SimplePacket, NodeId> for SimpleWireWrapper {
     type Frame = SimpleFrame;
     const OVERHEAD_SIZE: usize = 16;
     fn to_transport_packet(
-        &self,
+        &mut self,
         frame: AddressedTimedData<Ts, SimpleFrame, NodeId>,
     ) -> AddressedTimedData<Ts, SimplePacket, NodeId> {
         // SAFETY: If the pipeline is implemented properly, frames perfectly fit in a packet
@@ -266,7 +266,7 @@ impl<Ts: Clone> TransportUnwrap<Ts, SimplePacket> for SimpleWireUnwrapper {
     type Frame = SimpleFrame;
     type Error = anyhow::Error;
     fn packet_to_frame(
-        &self,
+        &mut self,
         packet: SimplePacket,
         timestamp: Ts,
     ) -> anyhow::Result<TimedData<Ts, SimpleFrame>> {