diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 7eb23c42..7897a24d 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,2 +1,2 @@
 [toolchain]
-channel = "1.72.1"
+channel = "1.75.0"
diff --git a/zenoh-flow-descriptors/src/flattened/mod.rs b/zenoh-flow-descriptors/src/flattened/mod.rs
index e798ad38..932ad3b2 100644
--- a/zenoh-flow-descriptors/src/flattened/mod.rs
+++ b/zenoh-flow-descriptors/src/flattened/mod.rs
@@ -25,13 +25,6 @@ use std::{
 
 use zenoh_flow_commons::NodeId;
 
-pub use self::{
-    dataflow::FlattenedDataFlowDescriptor,
-    nodes::{
-        operator::FlattenedOperatorDescriptor, sink::FlattenedSinkDescriptor,
-        source::FlattenedSourceDescriptor,
-    },
-};
 use crate::{
     nodes::operator::composite::{CompositeInputDescriptor, CompositeOutputDescriptor},
     InputDescriptor, LinkDescriptor, OutputDescriptor,
diff --git a/zenoh-flow-nodes/src/io/outputs.rs b/zenoh-flow-nodes/src/io/outputs.rs
index a55b1189..8253bc5b 100644
--- a/zenoh-flow-nodes/src/io/outputs.rs
+++ b/zenoh-flow-nodes/src/io/outputs.rs
@@ -56,7 +56,7 @@ impl Outputs {
     /// Insert the `flume::Sender` in the [Outputs], creating the entry if needed in the internal
     /// `HashMap`.
     pub fn insert(&mut self, port_id: PortId, tx: Sender<LinkMessage>) {
-        self.hmap.entry(port_id).or_insert_with(Vec::new).push(tx)
+        self.hmap.entry(port_id).or_default().push(tx)
     }
 
     /// Returns an Output builder for the provided `port_id`, if an output was declared with this exact name in the
diff --git a/zenoh-flow-records/src/dataflow.rs b/zenoh-flow-records/src/dataflow.rs
index feee7a20..9425b674 100644
--- a/zenoh-flow-records/src/dataflow.rs
+++ b/zenoh-flow-records/src/dataflow.rs
@@ -208,7 +208,7 @@ Caused by:
                 );
                 additional_mappings
                     .entry(runtime_from.clone())
-                    .or_insert_with(HashSet::default)
+                    .or_default()
                     .insert(sender_id);
 
                 receivers.insert(
@@ -220,7 +220,7 @@ Caused by:
                 );
                 additional_mappings
                     .entry(runtime_to.clone())
-                    .or_insert_with(HashSet::default)
+                    .or_default()
                     .insert(receiver_id);
             }
         }