diff --git a/components/editor/AudioEditor.tsx b/components/editor/AudioEditor.tsx
index 729b21b..c53e5b8 100644
--- a/components/editor/AudioEditor.tsx
+++ b/components/editor/AudioEditor.tsx
@@ -33,6 +33,7 @@ import { formatDuration } from '@/lib/audio/decoder';
 import { useHistory } from '@/lib/hooks/useHistory';
 import { useRecording } from '@/lib/hooks/useRecording';
 import { useSettings } from '@/lib/hooks/useSettings';
+import { DEFAULT_TRACK_HEIGHT } from '@/types/track';
 import type { EffectType } from '@/lib/audio/effects/chain';
 import {
   createMultiTrackCutCommand,
@@ -149,19 +150,19 @@ export function AudioEditor() {
   // Wrap addTrack to auto-select first track when adding to empty project
   const addTrack = React.useCallback((name?: string) => {
     const shouldAutoSelect = shouldAutoSelectRef.current;
-    const track = addTrackOriginal(name, settings.ui.defaultTrackHeight);
+    const track = addTrackOriginal(name, DEFAULT_TRACK_HEIGHT);
     if (shouldAutoSelect) {
       setSelectedTrackId(track.id);
       shouldAutoSelectRef.current = false; // Only auto-select once
     }
     return track;
-  }, [addTrackOriginal, settings.ui.defaultTrackHeight]);
+  }, [addTrackOriginal]);
 
   // Wrap addTrackFromBuffer to auto-select first track when adding to empty project
   const addTrackFromBuffer = React.useCallback((buffer: AudioBuffer, name?: string) => {
     console.log(`[AudioEditor] addTrackFromBuffer wrapper called: ${name}, shouldAutoSelect: ${shouldAutoSelectRef.current}`);
     const shouldAutoSelect = shouldAutoSelectRef.current;
-    const track = addTrackFromBufferOriginal(buffer, name, settings.ui.defaultTrackHeight);
+    const track = addTrackFromBufferOriginal(buffer, name, DEFAULT_TRACK_HEIGHT);
     console.log(`[AudioEditor] Track created: ${track.name} (${track.id})`);
     if (shouldAutoSelect) {
       console.log(`[AudioEditor] Auto-selecting track: ${track.id}`);
@@ -169,7 +170,7 @@ export function AudioEditor() {
       shouldAutoSelectRef.current = false; // Only auto-select once
     }
     return track;
-  }, [addTrackFromBufferOriginal, settings.ui.defaultTrackHeight]);
+  }, [addTrackFromBufferOriginal]);
 
   // Track which parameters are being touched (for touch/latch modes)
   const [touchedParameters, setTouchedParameters] = React.useState<Set<string>>(new Set());
diff --git a/components/settings/GlobalSettingsDialog.tsx b/components/settings/GlobalSettingsDialog.tsx
index 714a40c..963fbba 100644
--- a/components/settings/GlobalSettingsDialog.tsx
+++ b/components/settings/GlobalSettingsDialog.tsx
@@ -400,29 +400,6 @@ export function GlobalSettingsDialog({
                     Adjust the UI font size. Requires reload.
                   </p>
                 </div>
-
-                {/* Default Track Height */}
-                <div className="space-y-2">
-                  <div className="flex items-center justify-between">
-                    <label className="text-sm font-medium">Default Track Height</label>
-                    <span className="text-xs font-mono text-muted-foreground">
-                      {settings.ui.defaultTrackHeight}px
-                    </span>
-                  </div>
-                  <Slider
-                    value={[settings.ui.defaultTrackHeight]}
-                    onValueChange={([value]) =>
-                      onUISettingsChange({ defaultTrackHeight: value })
-                    }
-                    min={120}
-                    max={600}
-                    step={20}
-                    className="w-full"
-                  />
-                  <p className="text-xs text-muted-foreground">
-                    Initial height for new tracks. Default: 400px.
-                  </p>
-                </div>
               </div>
             )}
 
diff --git a/lib/hooks/useSettings.ts b/lib/hooks/useSettings.ts
index 77c75fc..52534a7 100644
--- a/lib/hooks/useSettings.ts
+++ b/lib/hooks/useSettings.ts
@@ -11,7 +11,6 @@ export interface AudioSettings {
 export interface UISettings {
   theme: 'dark' | 'light' | 'auto';
   fontSize: 'small' | 'medium' | 'large';
-  defaultTrackHeight: number; // 120-400px
 }
 
 export interface EditorSettings {
@@ -45,7 +44,6 @@ const DEFAULT_SETTINGS: Settings = {
   ui: {
     theme: 'dark',
     fontSize: 'medium',
-    defaultTrackHeight: 400,
   },
   editor: {
     autoSaveInterval: 3, // 3 seconds