diff --git a/src/jack.rs b/src/jack.rs
index 5b3a6978..23850b1d 100644
--- a/src/jack.rs
+++ b/src/jack.rs
@@ -1,5 +1,4 @@
 use crate::*;
-
 pub use ::jack as libjack;
 pub use ::jack::{
     contrib::ClosureProcessHandler, NotificationHandler,
@@ -9,13 +8,6 @@ pub use ::jack::{
     Transport, TransportState, MidiIter, MidiWriter, RawMidi,
 };
 
-pub mod jack_event;
-pub(crate) use self::jack_event::*;
-
-pub mod ports;
-pub(crate) use self::ports::*;
-pub use self::ports::RegisterPort;
-
 /// Implement [TryFrom<&Arc<RwLock<JackConnection>>>]: create app state from wrapped JACK handle.
 #[macro_export] macro_rules! from_jack {
     (|$jack:ident|$Struct:ident$(<$($L:lifetime),*$($T:ident$(:$U:path)?),*>)? $cb:expr) => {
@@ -148,6 +140,144 @@ impl JackConnection {
     }
 }
 
+pub trait RegisterPort {
+    fn midi_in   (&self, name: &str) -> Usually<Port<MidiIn>>;
+    fn midi_out  (&self, name: &str) -> Usually<Port<MidiOut>>;
+    fn audio_in  (&self, name: &str) -> Usually<Port<AudioIn>>;
+    fn audio_out (&self, name: &str) -> Usually<Port<AudioOut>>;
+    fn connect_midi_from  (&self, my_input:  &Port<MidiIn>,   ports: &[String]) -> Usually<()>;
+    fn connect_midi_to    (&self, my_output: &Port<MidiOut>,  ports: &[String]) -> Usually<()>;
+    fn connect_audio_from (&self, my_input:  &Port<AudioIn>,  ports: &[String]) -> Usually<()>;
+    fn connect_audio_to   (&self, my_output: &Port<AudioOut>, ports: &[String]) -> Usually<()>;
+}
+
+impl RegisterPort for Arc<RwLock<JackConnection>> {
+    fn midi_in (&self, name: &str) -> Usually<Port<MidiIn>> {
+        Ok(self.read().unwrap().client().register_port(name, MidiIn::default())?)
+    }
+    fn midi_out (&self, name: &str) -> Usually<Port<MidiOut>> {
+        Ok(self.read().unwrap().client().register_port(name, MidiOut::default())?)
+    }
+    fn audio_out (&self, name: &str) -> Usually<Port<AudioOut>> {
+        Ok(self.read().unwrap().client().register_port(name, AudioOut::default())?)
+    }
+    fn audio_in (&self, name: &str) -> Usually<Port<AudioIn>> {
+        Ok(self.read().unwrap().client().register_port(name, AudioIn::default())?)
+    }
+    fn connect_midi_from (&self, input: &Port<MidiIn>, ports: &[String]) -> Usually<()> {
+        let jack = self.read().unwrap();
+        for port in ports.iter() {
+            if let Some(port) = jack.port_by_name(port).as_ref() {
+                jack.client().connect_ports(port, input)?;
+            } else {
+                panic!("Missing MIDI output: {port}. Use jack_lsp to list all port names.");
+            }
+        }
+        Ok(())
+    }
+    fn connect_midi_to (&self, output: &Port<MidiOut>, ports: &[String]) -> Usually<()> {
+        let jack = self.read().unwrap();
+        for port in ports.iter() {
+            if let Some(port) = jack.port_by_name(port).as_ref() {
+                jack.client().connect_ports(output, port)?;
+            } else {
+                panic!("Missing MIDI input: {port}. Use jack_lsp to list all port names.");
+            }
+        }
+        Ok(())
+    }
+    fn connect_audio_from (&self, input: &Port<AudioIn>, ports: &[String]) -> Usually<()> {
+        let jack = self.read().unwrap();
+        for port in ports.iter() {
+            if let Some(port) = jack.port_by_name(port).as_ref() {
+                jack.client().connect_ports(port, input)?;
+            } else {
+                panic!("Missing MIDI output: {port}. Use jack_lsp to list all port names.");
+            }
+        }
+        Ok(())
+    }
+    fn connect_audio_to (&self, output: &Port<AudioOut>, ports: &[String]) -> Usually<()> {
+        let jack = self.read().unwrap();
+        for port in ports.iter() {
+            if let Some(port) = jack.port_by_name(port).as_ref() {
+                jack.client().connect_ports(output, port)?;
+            } else {
+                panic!("Missing MIDI input: {port}. Use jack_lsp to list all port names.");
+            }
+        }
+        Ok(())
+    }
+}
+
+#[derive(Debug, Clone, PartialEq)]
+/// Event enum for JACK events.
+pub enum JackEvent {
+    ThreadInit,
+    Shutdown(ClientStatus, String),
+    Freewheel(bool),
+    SampleRate(Frames),
+    ClientRegistration(String, bool),
+    PortRegistration(PortId, bool),
+    PortRename(PortId, String, String),
+    PortsConnected(PortId, PortId, bool),
+    GraphReorder,
+    XRun,
+}
+
+/// Notification handler used by the [Jack] factory
+/// when constructing [JackDevice]s.
+pub type DynamicNotifications = Notifications<Box<dyn Fn(JackEvent) + Send + Sync>>;
+
+/// Generic notification handler that emits [JackEvent]
+pub struct Notifications<T: Fn(JackEvent) + Send>(pub T);
+
+impl<T: Fn(JackEvent) + Send> NotificationHandler for Notifications<T> {
+    fn thread_init(&self, _: &Client) {
+        self.0(JackEvent::ThreadInit);
+    }
+
+    unsafe fn shutdown(&mut self, status: ClientStatus, reason: &str) {
+        self.0(JackEvent::Shutdown(status, reason.into()));
+    }
+
+    fn freewheel(&mut self, _: &Client, enabled: bool) {
+        self.0(JackEvent::Freewheel(enabled));
+    }
+
+    fn sample_rate(&mut self, _: &Client, frames: Frames) -> Control {
+        self.0(JackEvent::SampleRate(frames));
+        Control::Quit
+    }
+
+    fn client_registration(&mut self, _: &Client, name: &str, reg: bool) {
+        self.0(JackEvent::ClientRegistration(name.into(), reg));
+    }
+
+    fn port_registration(&mut self, _: &Client, id: PortId, reg: bool) {
+        self.0(JackEvent::PortRegistration(id, reg));
+    }
+
+    fn port_rename(&mut self, _: &Client, id: PortId, old: &str, new: &str) -> Control {
+        self.0(JackEvent::PortRename(id, old.into(), new.into()));
+        Control::Continue
+    }
+
+    fn ports_connected(&mut self, _: &Client, a: PortId, b: PortId, are: bool) {
+        self.0(JackEvent::PortsConnected(a, b, are));
+    }
+
+    fn graph_reorder(&mut self, _: &Client) -> Control {
+        self.0(JackEvent::GraphReorder);
+        Control::Continue
+    }
+
+    fn xrun(&mut self, _: &Client) -> Control {
+        self.0(JackEvent::XRun);
+        Control::Continue
+    }
+}
+
 ////////////////////////////////////////////////////////////////////////////////////
 
 ///// A [AudioComponent] bound to a JACK client and a set of ports.
@@ -424,3 +554,47 @@ impl JackConnection {
 
 ///// All things that implement the required traits can be treated as `AudioComponent`.
 //impl<E: Engine, W: Component<E> + Audio> AudioComponent<E> for W {}
+
+/////////
+
+/*
+
+/// Trait for things that may expose JACK ports.
+pub trait Ports {
+    fn audio_ins(&self) -> Usually<Vec<&Port<Unowned>>> {
+        Ok(vec![])
+    }
+    fn audio_outs(&self) -> Usually<Vec<&Port<Unowned>>> {
+        Ok(vec![])
+    }
+    fn midi_ins(&self) -> Usually<Vec<&Port<Unowned>>> {
+        Ok(vec![])
+    }
+    fn midi_outs(&self) -> Usually<Vec<&Port<Unowned>>> {
+        Ok(vec![])
+    }
+}
+
+fn register_ports<T: PortSpec + Copy>(
+    client: &Client,
+    names: Vec<String>,
+    spec: T,
+) -> Usually<BTreeMap<String, Port<T>>> {
+    names
+        .into_iter()
+        .try_fold(BTreeMap::new(), |mut ports, name| {
+            let port = client.register_port(&name, spec)?;
+            ports.insert(name, port);
+            Ok(ports)
+        })
+}
+
+fn query_ports(client: &Client, names: Vec<String>) -> BTreeMap<String, Port<Unowned>> {
+    names.into_iter().fold(BTreeMap::new(), |mut ports, name| {
+        let port = client.port_by_name(&name).unwrap();
+        ports.insert(name, port);
+        ports
+    })
+}
+
+*/
diff --git a/src/jack/jack_event.rs b/src/jack/jack_event.rs
deleted file mode 100644
index e62945d7..00000000
--- a/src/jack/jack_event.rs
+++ /dev/null
@@ -1,69 +0,0 @@
-use crate::*;
-
-#[derive(Debug, Clone, PartialEq)]
-/// Event enum for JACK events.
-pub enum JackEvent {
-    ThreadInit,
-    Shutdown(ClientStatus, String),
-    Freewheel(bool),
-    SampleRate(Frames),
-    ClientRegistration(String, bool),
-    PortRegistration(PortId, bool),
-    PortRename(PortId, String, String),
-    PortsConnected(PortId, PortId, bool),
-    GraphReorder,
-    XRun,
-}
-
-/// Notification handler used by the [Jack] factory
-/// when constructing [JackDevice]s.
-pub type DynamicNotifications = Notifications<Box<dyn Fn(JackEvent) + Send + Sync>>;
-
-/// Generic notification handler that emits [JackEvent]
-pub struct Notifications<T: Fn(JackEvent) + Send>(pub T);
-
-impl<T: Fn(JackEvent) + Send> NotificationHandler for Notifications<T> {
-    fn thread_init(&self, _: &Client) {
-        self.0(JackEvent::ThreadInit);
-    }
-
-    unsafe fn shutdown(&mut self, status: ClientStatus, reason: &str) {
-        self.0(JackEvent::Shutdown(status, reason.into()));
-    }
-
-    fn freewheel(&mut self, _: &Client, enabled: bool) {
-        self.0(JackEvent::Freewheel(enabled));
-    }
-
-    fn sample_rate(&mut self, _: &Client, frames: Frames) -> Control {
-        self.0(JackEvent::SampleRate(frames));
-        Control::Quit
-    }
-
-    fn client_registration(&mut self, _: &Client, name: &str, reg: bool) {
-        self.0(JackEvent::ClientRegistration(name.into(), reg));
-    }
-
-    fn port_registration(&mut self, _: &Client, id: PortId, reg: bool) {
-        self.0(JackEvent::PortRegistration(id, reg));
-    }
-
-    fn port_rename(&mut self, _: &Client, id: PortId, old: &str, new: &str) -> Control {
-        self.0(JackEvent::PortRename(id, old.into(), new.into()));
-        Control::Continue
-    }
-
-    fn ports_connected(&mut self, _: &Client, a: PortId, b: PortId, are: bool) {
-        self.0(JackEvent::PortsConnected(a, b, are));
-    }
-
-    fn graph_reorder(&mut self, _: &Client) -> Control {
-        self.0(JackEvent::GraphReorder);
-        Control::Continue
-    }
-
-    fn xrun(&mut self, _: &Client) -> Control {
-        self.0(JackEvent::XRun);
-        Control::Continue
-    }
-}
diff --git a/src/jack/ports.rs b/src/jack/ports.rs
deleted file mode 100644
index 584207cf..00000000
--- a/src/jack/ports.rs
+++ /dev/null
@@ -1,109 +0,0 @@
-use crate::*;
-
-pub trait RegisterPort {
-    fn midi_in   (&self, name: &str) -> Usually<Port<MidiIn>>;
-    fn midi_out  (&self, name: &str) -> Usually<Port<MidiOut>>;
-    fn audio_in  (&self, name: &str) -> Usually<Port<AudioIn>>;
-    fn audio_out (&self, name: &str) -> Usually<Port<AudioOut>>;
-    fn connect_midi_from  (&self, my_input:  &Port<MidiIn>,   ports: &[String]) -> Usually<()>;
-    fn connect_midi_to    (&self, my_output: &Port<MidiOut>,  ports: &[String]) -> Usually<()>;
-    fn connect_audio_from (&self, my_input:  &Port<AudioIn>,  ports: &[String]) -> Usually<()>;
-    fn connect_audio_to   (&self, my_output: &Port<AudioOut>, ports: &[String]) -> Usually<()>;
-}
-
-impl RegisterPort for Arc<RwLock<JackConnection>> {
-    fn midi_in (&self, name: &str) -> Usually<Port<MidiIn>> {
-        Ok(self.read().unwrap().client().register_port(name, MidiIn::default())?)
-    }
-    fn midi_out (&self, name: &str) -> Usually<Port<MidiOut>> {
-        Ok(self.read().unwrap().client().register_port(name, MidiOut::default())?)
-    }
-    fn audio_out (&self, name: &str) -> Usually<Port<AudioOut>> {
-        Ok(self.read().unwrap().client().register_port(name, AudioOut::default())?)
-    }
-    fn audio_in (&self, name: &str) -> Usually<Port<AudioIn>> {
-        Ok(self.read().unwrap().client().register_port(name, AudioIn::default())?)
-    }
-    fn connect_midi_from (&self, input: &Port<MidiIn>, ports: &[String]) -> Usually<()> {
-        let jack = self.read().unwrap();
-        for port in ports.iter() {
-            if let Some(port) = jack.port_by_name(port).as_ref() {
-                jack.client().connect_ports(port, input)?;
-            } else {
-                panic!("Missing MIDI output: {port}. Use jack_lsp to list all port names.");
-            }
-        }
-        Ok(())
-    }
-    fn connect_midi_to (&self, output: &Port<MidiOut>, ports: &[String]) -> Usually<()> {
-        let jack = self.read().unwrap();
-        for port in ports.iter() {
-            if let Some(port) = jack.port_by_name(port).as_ref() {
-                jack.client().connect_ports(output, port)?;
-            } else {
-                panic!("Missing MIDI input: {port}. Use jack_lsp to list all port names.");
-            }
-        }
-        Ok(())
-    }
-    fn connect_audio_from (&self, input: &Port<AudioIn>, ports: &[String]) -> Usually<()> {
-        let jack = self.read().unwrap();
-        for port in ports.iter() {
-            if let Some(port) = jack.port_by_name(port).as_ref() {
-                jack.client().connect_ports(port, input)?;
-            } else {
-                panic!("Missing MIDI output: {port}. Use jack_lsp to list all port names.");
-            }
-        }
-        Ok(())
-    }
-    fn connect_audio_to (&self, output: &Port<AudioOut>, ports: &[String]) -> Usually<()> {
-        let jack = self.read().unwrap();
-        for port in ports.iter() {
-            if let Some(port) = jack.port_by_name(port).as_ref() {
-                jack.client().connect_ports(output, port)?;
-            } else {
-                panic!("Missing MIDI input: {port}. Use jack_lsp to list all port names.");
-            }
-        }
-        Ok(())
-    }
-}
-
-/// Trait for things that may expose JACK ports.
-pub trait Ports {
-    fn audio_ins(&self) -> Usually<Vec<&Port<Unowned>>> {
-        Ok(vec![])
-    }
-    fn audio_outs(&self) -> Usually<Vec<&Port<Unowned>>> {
-        Ok(vec![])
-    }
-    fn midi_ins(&self) -> Usually<Vec<&Port<Unowned>>> {
-        Ok(vec![])
-    }
-    fn midi_outs(&self) -> Usually<Vec<&Port<Unowned>>> {
-        Ok(vec![])
-    }
-}
-
-fn register_ports<T: PortSpec + Copy>(
-    client: &Client,
-    names: Vec<String>,
-    spec: T,
-) -> Usually<BTreeMap<String, Port<T>>> {
-    names
-        .into_iter()
-        .try_fold(BTreeMap::new(), |mut ports, name| {
-            let port = client.register_port(&name, spec)?;
-            ports.insert(name, port);
-            Ok(ports)
-        })
-}
-
-fn query_ports(client: &Client, names: Vec<String>) -> BTreeMap<String, Port<Unowned>> {
-    names.into_iter().fold(BTreeMap::new(), |mut ports, name| {
-        let port = client.port_by_name(&name).unwrap();
-        ports.insert(name, port);
-        ports
-    })
-}