diff --git a/Cargo.toml b/Cargo.toml
index 3483918..1679083 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,6 @@ vulkano-win = { git = "https://github.com/vulkano-rs/vulkano.git", rev = "4a77d3
 midi-toolkit-rs = "0.1.0"
 xsynth-core = { git = "https://github.com/BlackMIDIDevs/xsynth", rev = "818dbd6", features = ["serde"] }
 xsynth-realtime = { git = "https://github.com/BlackMIDIDevs/xsynth", rev = "818dbd6", features = ["serde"] }
-kdmapi-rs = { package = "kdmapi", git = "https://github.com/MyBlackMIDIScore/kdmapi-rs.git", rev = "e1db353" }
 serde = "1.0.210"
 serde_derive = "1.0.210"
 serde_json = "1.0"
@@ -33,7 +32,6 @@ atomic_float = "1.1.0"
 ico = "0.3.0"
 rfd = "0.15.0"
 open = "5.3.0"
-midir = "0.10.0"
 time = "0.3.36"
 image = "0.25.2"
 reqwest = { version = "0.12.8", features = ["json", "blocking", "native-tls-vendored"] }
@@ -44,6 +42,10 @@ num_enum = "0.7.3"
 palette = "0.7.6"
 colors-transform = "0.2"
 
+[target.'cfg(any(target_os = "linux", target_os = "windows", target_os = "macos"))'.dependencies]
+kdmapi-rs = { package = "kdmapi", git = "https://github.com/MyBlackMIDIScore/kdmapi-rs.git", rev = "e1db353" }
+midir = "0.10.0"
+
 [build-dependencies]
 resvg = { version = "0.31.0", default-features = false }
 ico = "0.3.0"
diff --git a/build.rs b/build.rs
index c57ef28..74fa938 100644
--- a/build.rs
+++ b/build.rs
@@ -57,5 +57,9 @@ fn main() {
     icon_dir.write(File::create(icon_path).unwrap()).unwrap();
 
     #[cfg(not(windows))]
-    println!("cargo:rerun-if-changed=assets/logo.svg")
+    println!("cargo:rerun-if-changed=assets/logo.svg");
+
+    #[cfg(any(target_os = "linux", target_os = "windows", target_os = "macos"))]
+    println!("cargo:rustc-cfg=supported_os");
+    println!("cargo::rustc-check-cfg=cfg(supported_os)");
 }
diff --git a/src/audio_playback/mod.rs b/src/audio_playback/mod.rs
index 9fe9f45..188975c 100644
--- a/src/audio_playback/mod.rs
+++ b/src/audio_playback/mod.rs
@@ -7,14 +7,22 @@ use crate::{
 
 mod xsynth;
 pub use xsynth::*;
+
+#[cfg(supported_os)]
 mod kdmapi;
+#[cfg(supported_os)]
 pub use kdmapi::*;
+
+#[cfg(supported_os)]
 mod midiout;
+#[cfg(supported_os)]
 pub use midiout::*;
 
 enum MidiAudioPlayer {
     XSynth(XSynthPlayer),
+    #[cfg(supported_os)]
     Kdmapi(KdmapiPlayer),
+    #[cfg(supported_os)]
     MidiDevice(MidiDevicePlayer),
     None,
 }
@@ -36,7 +44,9 @@ impl WasabiAudioPlayer {
     pub fn push_events(&self, data: impl Iterator<Item = u32>) {
         match &mut *self.0.write().unwrap() {
             MidiAudioPlayer::XSynth(player) => player.push_events(data),
+            #[cfg(supported_os)]
             MidiAudioPlayer::Kdmapi(player) => player.push_events(data),
+            #[cfg(supported_os)]
             MidiAudioPlayer::MidiDevice(player) => player.push_events(data),
             _ => {}
         }
@@ -45,6 +55,7 @@ impl WasabiAudioPlayer {
     pub fn configure(&self, settings: &SynthSettings) {
         match &mut *self.0.write().unwrap() {
             MidiAudioPlayer::XSynth(player) => player.configure(&settings.xsynth),
+            #[cfg(supported_os)]
             MidiAudioPlayer::Kdmapi(player) => player.configure(&settings.kdmapi),
             _ => {}
         }
@@ -60,6 +71,7 @@ impl WasabiAudioPlayer {
             MidiAudioPlayer::XSynth(player) => {
                 player.set_soundfonts(soundfonts, loading_status, errors)
             }
+            #[cfg(supported_os)]
             MidiAudioPlayer::Kdmapi(player) => player.set_soundfonts(soundfonts, errors),
             _ => {}
         }
@@ -68,7 +80,9 @@ impl WasabiAudioPlayer {
     pub fn reset(&self) {
         match &mut *self.0.write().unwrap() {
             MidiAudioPlayer::XSynth(player) => player.reset(),
+            #[cfg(supported_os)]
             MidiAudioPlayer::Kdmapi(player) => player.reset(),
+            #[cfg(supported_os)]
             MidiAudioPlayer::MidiDevice(player) => player.reset(),
             _ => {}
         }
@@ -88,6 +102,7 @@ impl WasabiAudioPlayer {
             Synth::XSynth => {
                 MidiAudioPlayer::XSynth(XSynthPlayer::new(settings.xsynth.config.clone()))
             }
+            #[cfg(supported_os)]
             Synth::Kdmapi => match KdmapiPlayer::new() {
                 Ok(kdmapi) => MidiAudioPlayer::Kdmapi(kdmapi),
                 Err(e) => {
@@ -95,6 +110,7 @@ impl WasabiAudioPlayer {
                     MidiAudioPlayer::None
                 }
             },
+            #[cfg(supported_os)]
             Synth::MidiDevice => match MidiDevicePlayer::new(settings.midi_device.clone()) {
                 Ok(midiout) => MidiAudioPlayer::MidiDevice(midiout),
                 Err(e) => {
diff --git a/src/gui/window/errors.rs b/src/gui/window/errors.rs
index 1671362..56d54f4 100644
--- a/src/gui/window/errors.rs
+++ b/src/gui/window/errors.rs
@@ -14,6 +14,7 @@ use crate::utils;
 pub enum WasabiError {
     MidiLoadError(MIDILoadError),
     SoundFontLoadError(LoadSfError),
+    #[cfg(supported_os)]
     SynthError(String),
     FilesystemError(std::io::Error),
     SettingsError(String),
@@ -33,6 +34,7 @@ impl fmt::Display for WasabiError {
                 MIDILoadError::FileTooBig => write!(f, "MIDI Load Error: File Too Big"),
             },
             WasabiError::SoundFontLoadError(e) => write!(f, "Error Parsing SoundFont: {e}"),
+            #[cfg(supported_os)]
             WasabiError::SynthError(e) => write!(f, "Synth Error: {e}"),
             WasabiError::FilesystemError(e) => write!(f, "Filesystem Error: {e}"),
             WasabiError::SettingsError(e) => write!(f, "Settings Error: {e}"),
diff --git a/src/gui/window/settings.rs b/src/gui/window/settings.rs
index 8313932..bf53dee 100644
--- a/src/gui/window/settings.rs
+++ b/src/gui/window/settings.rs
@@ -24,6 +24,7 @@ struct FilePalette {
     pub selected: bool,
 }
 
+#[cfg(supported_os)]
 #[derive(Clone)]
 struct MidiDevice {
     pub name: String,
@@ -32,6 +33,7 @@ struct MidiDevice {
 
 pub struct SettingsWindow {
     palettes: Vec<FilePalette>,
+    #[cfg(supported_os)]
     midi_devices: Vec<MidiDevice>,
     sf_list: EguiSFList,
 }
@@ -45,6 +47,7 @@ impl SettingsWindow {
 
         Self {
             palettes: Vec::new(),
+            #[cfg(supported_os)]
             midi_devices: Vec::new(),
             sf_list,
         }
@@ -100,11 +103,15 @@ impl SettingsWindow {
                                     "\u{1f3b9} Synth",
                                 )
                             });
+
+                            #[cfg(supported_os)]
+                            let sf_kdmapi_check = settings.synth.synth == Synth::Kdmapi
+                                && !settings.synth.kdmapi.use_om_sflist;
+                            #[cfg(not(supported_os))]
+                            let sf_kdmapi_check = false;
                             columns[3].vertical_centered_justified(|ui| {
                                 ui.add_enabled_ui(
-                                    settings.synth.synth == Synth::XSynth
-                                        || (settings.synth.synth == Synth::Kdmapi
-                                            && !settings.synth.kdmapi.use_om_sflist),
+                                    settings.synth.synth == Synth::XSynth || sf_kdmapi_check,
                                     |ui| {
                                         ui.selectable_value(
                                             &mut state.settings_tab,
@@ -183,6 +190,12 @@ impl SettingsWindow {
         Ok(())
     }
 
+    #[cfg(not(supported_os))]
+    pub fn load_midi_devices(&mut self, _settings: &mut WasabiSettings) -> Result<(), WasabiError> {
+        Ok(())
+    }
+
+    #[cfg(supported_os)]
     pub fn load_midi_devices(&mut self, settings: &mut WasabiSettings) -> Result<(), WasabiError> {
         self.midi_devices.clear();
         let con = midir::MidiOutput::new("wasabi")
diff --git a/src/gui/window/settings/synth.rs b/src/gui/window/settings/synth.rs
index dc493c2..8265582 100644
--- a/src/gui/window/settings/synth.rs
+++ b/src/gui/window/settings/synth.rs
@@ -5,7 +5,9 @@ use crate::{
 
 use super::SettingsWindow;
 
+#[cfg(supported_os)]
 mod kdmapi;
+#[cfg(supported_os)]
 mod mididevice;
 mod xsynth;
 
@@ -34,11 +36,13 @@ impl SettingsWindow {
                                 Synth::XSynth,
                                 Synth::XSynth.as_str(),
                             );
+                            #[cfg(supported_os)]
                             ui.selectable_value(
                                 &mut settings.synth.synth,
                                 Synth::Kdmapi,
                                 Synth::Kdmapi.as_str(),
                             );
+                            #[cfg(supported_os)]
                             ui.selectable_value(
                                 &mut settings.synth.synth,
                                 Synth::MidiDevice,
@@ -80,7 +84,9 @@ impl SettingsWindow {
 
         match settings.synth.synth {
             Synth::XSynth => self.show_xsynth_settings(ui, settings, state, width),
+            #[cfg(supported_os)]
             Synth::Kdmapi => self.show_kdmapi_settings(ui, settings, state, width),
+            #[cfg(supported_os)]
             Synth::MidiDevice => self.show_mididevice_settings(ui, settings, state, width),
             Synth::None => {
                 ui.label("No Settings");
diff --git a/src/settings/enums.rs b/src/settings/enums.rs
index 8f7c956..bff5869 100644
--- a/src/settings/enums.rs
+++ b/src/settings/enums.rs
@@ -45,7 +45,9 @@ impl FromStr for MidiParsing {
 pub enum Synth {
     #[default]
     XSynth = 0,
+    #[cfg(supported_os)]
     Kdmapi = 1,
+    #[cfg(supported_os)]
     MidiDevice = 2,
     None = 3,
 }
@@ -55,7 +57,9 @@ impl Synth {
     pub const fn as_str(self) -> &'static str {
         match self {
             Synth::XSynth => "Built-In (XSynth)",
+            #[cfg(supported_os)]
             Synth::Kdmapi => "KDMAPI",
+            #[cfg(supported_os)]
             Synth::MidiDevice => "MIDI Device",
             Synth::None => "None",
         }
@@ -68,7 +72,9 @@ impl FromStr for Synth {
     fn from_str(s: &str) -> Result<Self, Self::Err> {
         match s.to_lowercase().as_str() {
             "xsynth" => Ok(Synth::XSynth),
+            #[cfg(supported_os)]
             "kdmapi" => Ok(Synth::Kdmapi),
+            #[cfg(supported_os)]
             "mididevice" => Ok(Synth::MidiDevice),
             "none" => Ok(Synth::None),
             s => Err(format!(
diff --git a/src/utils.rs b/src/utils.rs
index 850298e..cd4aeb5 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -3,6 +3,7 @@ use serde_json::Value;
 use std::thread;
 use std::{collections::HashMap, ops::RangeInclusive};
 
+#[cfg(supported_os)]
 use crate::settings::WasabiSoundfont;
 use crate::{gui::window::WasabiError, state::WasabiState};
 
@@ -75,6 +76,7 @@ pub fn check_for_updates(state: &WasabiState) {
     });
 }
 
+#[cfg(supported_os)]
 pub fn create_om_sf_list(list: &[WasabiSoundfont]) -> String {
     let mut out = String::new();
 
@@ -101,6 +103,7 @@ pub fn create_om_sf_list(list: &[WasabiSoundfont]) -> String {
     out
 }
 
+#[cfg(supported_os)]
 pub fn create_reset_midi_messages() -> Vec<u32> {
     let mut out = Vec::new();