diff --git a/artiq/dashboard/moninj.py b/artiq/dashboard/moninj.py
index d7bb4eac9..28aa44ff8 100644
--- a/artiq/dashboard/moninj.py
+++ b/artiq/dashboard/moninj.py
@@ -739,38 +739,30 @@ class _DeviceManager:
             await self.mi_connection.close()
 
 
-class _MonInjDock(QtWidgets.QDockWidget):
-    def __init__(self, name):
-        QtWidgets.QDockWidget.__init__(self, name)
-        self.setObjectName(name)
+class MonInjDock(QtWidgets.QDockWidget):
+    def __init__(self, schedule_ctl):
+        QtWidgets.QDockWidget.__init__(self, "MonInj")
+        self.setObjectName("MonInj")
         self.setFeatures(QtWidgets.QDockWidget.DockWidgetMovable |
                          QtWidgets.QDockWidget.DockWidgetFloatable)
 
-    def layout_widgets(self, widgets):
         scroll_area = QtWidgets.QScrollArea()
+        scroll_area.setWidgetResizable(True)
         self.setWidget(scroll_area)
 
-        grid = FlowLayout()
+        self.grid = FlowLayout()
         grid_widget = QtWidgets.QWidget()
-        grid_widget.setLayout(grid)
-
-        for widget in sorted(widgets, key=lambda w: w.sort_key()):
-            grid.addWidget(widget)
-
-        scroll_area.setWidgetResizable(True)
+        grid_widget.setLayout(self.grid)
         scroll_area.setWidget(grid_widget)
 
-
-class MonInj:
-    def __init__(self, schedule_ctl):
-        self.ttl_dock = _MonInjDock("TTL")
-        self.dds_dock = _MonInjDock("DDS")
-        self.dac_dock = _MonInjDock("DAC")
-
         self.dm = _DeviceManager(schedule_ctl)
-        self.dm.ttl_cb = lambda: self.ttl_dock.layout_widgets(self.dm.ttl_widgets.values())
-        self.dm.dds_cb = lambda: self.dds_dock.layout_widgets(self.dm.dds_widgets.values())
-        self.dm.dac_cb = lambda: self.dac_dock.layout_widgets(self.dm.dac_widgets.values())
+        self.dm.ttl_cb = lambda: self.layout_widgets(self.dm.ttl_widgets.values())
+        self.dm.dds_cb = lambda: self.layout_widgets(self.dm.dds_widgets.values())
+        self.dm.dac_cb = lambda: self.layout_widgets(self.dm.dac_widgets.values())
+
+    def layout_widgets(self, widgets):
+        for widget in sorted(widgets, key=lambda w: w.sort_key()):
+            self.grid.addWidget(widget)
 
     async def stop(self):
         if self.dm is not None:
diff --git a/artiq/frontend/artiq_dashboard.py b/artiq/frontend/artiq_dashboard.py
index 634f5e29d..3ef4979ff 100755
--- a/artiq/frontend/artiq_dashboard.py
+++ b/artiq/frontend/artiq_dashboard.py
@@ -226,8 +226,8 @@ def main():
     smgr.register(d_applets)
     broadcast_clients["ccb"].notify_cbs.append(d_applets.ccb_notify)
 
-    d_ttl_dds = moninj.MonInj(rpc_clients["schedule"])
-    atexit_register_coroutine(d_ttl_dds.stop, loop=loop)
+    d_moninj = moninj.MonInjDock(rpc_clients["schedule"])
+    atexit_register_coroutine(d_moninj.stop, loop=loop)
 
     d_waveform = waveform.WaveformDock(
         args.analyzer_proxy_timeout,
@@ -237,10 +237,10 @@ def main():
     atexit_register_coroutine(d_waveform.stop, loop=loop)
 
     def init_cbs(ddb):
-        d_ttl_dds.dm.init_ddb(ddb)
+        d_moninj.dm.init_ddb(ddb)
         d_waveform.init_ddb(ddb)
         return ddb
-    devices_sub = Subscriber("devices", init_cbs, [d_ttl_dds.dm.notify_ddb, d_waveform.notify_ddb])
+    devices_sub = Subscriber("devices", init_cbs, [d_moninj.dm.notify_ddb, d_waveform.notify_ddb])
     loop.run_until_complete(devices_sub.connect(args.server, args.port_notify))
     atexit_register_coroutine(devices_sub.close, loop=loop)
 
@@ -260,8 +260,7 @@ def main():
 
     # lay out docks
     right_docks = [
-        d_explorer, d_shortcuts,
-        d_ttl_dds.ttl_dock, d_ttl_dds.dds_dock, d_ttl_dds.dac_dock,
+        d_explorer, d_shortcuts, d_moninj,
         d_datasets, d_applets, d_waveform, d_interactive_args
     ]
     main_window.addDockWidget(QtCore.Qt.RightDockWidgetArea, right_docks[0])
@@ -280,8 +279,7 @@ def main():
     atexit_register_coroutine(smgr.stop, loop=loop)
 
     # work around for https://github.com/m-labs/artiq/issues/1307
-    d_ttl_dds.ttl_dock.show()
-    d_ttl_dds.dds_dock.show()
+    d_moninj.show()
 
     # create first log dock if not already in state
     d_log0 = logmgr.first_log_dock()