diff --git a/shell/plugins/bar/widgets/Tray.qml b/shell/plugins/bar/widgets/Tray.qml
index 16e94624..adcc0d1d 100644
--- a/shell/plugins/bar/widgets/Tray.qml
+++ b/shell/plugins/bar/widgets/Tray.qml
@@ -4,6 +4,7 @@ import Quickshell.Services.SystemTray
 import Quickshell.Widgets
 import qs.Commons
 import qs.Ui
+import "TrayModel.js" as TrayModel
 
 BarWidget {
   id: root
@@ -70,12 +71,18 @@ BarWidget {
     return "drawer"
   }
 
+  function ownedByDedicatedWidget(item) {
+    var layout = root.bar && root.bar.layoutConfig ? root.bar.layoutConfig : null
+    return TrayModel.ownedByDedicatedWidget(item, layout)
+  }
+
   function bucket(category) {
     var values = SystemTray.items.values
     var result = []
     for (var i = 0; i < values.length; i++) {
       var item = values[i]
       if (item.status === Status.Passive) continue
+      if (ownedByDedicatedWidget(item)) continue
       if (category === "all") {
         result.push(item)
         continue
diff --git a/shell/plugins/bar/widgets/TrayModel.js b/shell/plugins/bar/widgets/TrayModel.js
new file mode 100644
index 00000000..a9da13c4
--- /dev/null
+++ b/shell/plugins/bar/widgets/TrayModel.js
@@ -0,0 +1,44 @@
+function text(value) {
+  return String(value || "").toLowerCase()
+}
+
+function isDropboxTrayItem(item) {
+  if (!item) return false
+  return text(item.id).indexOf("dropbox") !== -1
+    || text(item.title).indexOf("dropbox") !== -1
+    || text(item.tooltipTitle).indexOf("dropbox") !== -1
+}
+
+function entryId(entry) {
+  if (typeof entry === "string") return entry
+  if (entry && typeof entry === "object") {
+    var id = entry.id
+    if (id !== undefined && id !== null && String(id) !== "") return String(id)
+  }
+  return ""
+}
+
+function layoutHasWidget(layout, id) {
+  var sections = ["left", "center", "right"]
+  for (var s = 0; s < sections.length; s++) {
+    var entries = layout && layout[sections[s]]
+    if (!Array.isArray(entries)) continue
+    for (var i = 0; i < entries.length; i++) {
+      if (entryId(entries[i]) === id) return true
+    }
+  }
+  return false
+}
+
+function ownedByDedicatedWidget(item, layout) {
+  return layoutHasWidget(layout, "omarchy.dropbox") && isDropboxTrayItem(item)
+}
+
+if (typeof module !== "undefined") {
+  module.exports = {
+    isDropboxTrayItem: isDropboxTrayItem,
+    entryId: entryId,
+    layoutHasWidget: layoutHasWidget,
+    ownedByDedicatedWidget: ownedByDedicatedWidget
+  }
+}
diff --git a/test/shell.d/tray-test.sh b/test/shell.d/tray-test.sh
new file mode 100644
index 00000000..d2b2a25e
--- /dev/null
+++ b/test/shell.d/tray-test.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+
+set -euo pipefail
+
+source "$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)/base-test.sh"
+
+run_node_test "tray model helpers" <<'JS'
+const tray = requireFromRoot('shell/plugins/bar/widgets/TrayModel.js')
+
+assert(tray.isDropboxTrayItem({ id: 'dropbox-client' }), 'tray detects dropbox item ids')
+assert(tray.isDropboxTrayItem({ title: 'Dropbox' }), 'tray detects dropbox item titles')
+assert(!tray.isDropboxTrayItem({ id: 'nextcloud' }), 'tray ignores non-dropbox items')
+
+const layout = {
+  left: [{ id: 'omarchy.menu' }],
+  center: [],
+  right: [{ id: 'omarchy.dropbox' }, { id: 'omarchy.tray' }]
+}
+
+assert(tray.layoutHasWidget(layout, 'omarchy.dropbox'), 'tray finds dedicated dropbox widget in layout')
+assert(tray.ownedByDedicatedWidget({ id: 'dropbox' }, layout), 'tray suppresses dropbox when dedicated widget is in bar')
+assert(!tray.ownedByDedicatedWidget({ id: 'dropbox' }, { left: [], center: [], right: [] }), 'tray keeps dropbox when dedicated widget is absent')
+assert(!tray.ownedByDedicatedWidget({ id: 'nextcloud' }, layout), 'tray keeps unrelated tray items')
+JS