diff --git a/js/SaverLoader.js b/js/SaverLoader.js
index cae34d0..d5748db 100644
--- a/js/SaverLoader.js
+++ b/js/SaverLoader.js
@@ -86,7 +86,6 @@ class SaverLoader {
     }
 
     updateSessions() {
-        console.log("saverLoader.updateSessions()!");
         $('#sessionMenu').empty();
         let active_sessions = graph.active_sessions;
         if (active_sessions.length > 0) {
diff --git a/js/ViewManager.js b/js/ViewManager.js
index 90e290c..ad640ab 100644
--- a/js/ViewManager.js
+++ b/js/ViewManager.js
@@ -181,29 +181,36 @@ class ViewManager
                 remove_object_svg(obj, 0);
                 return;
             }
+            if (event == 'removed') {
+                // check here if tooltip is visible and has same key as the removed object
+                if (self.tooltip.is_visible && self.tooltip.key == obj.key)
+                    self.tooltip.hide();
+            }
+
             switch (type) {
                 case 'device':
-                    self._update_devices(obj, event, repaint);
+                    // only graph view might use device properties
+                    if (event != 'modified' || this.currentView == 'graph')
+                        self._update_devices(obj, event, repaint);
                     break;
                 case 'link':
-                    self._update_links(obj, event, repaint);
+                    if (event != 'modified' && this.currentView == 'chord')
+                        self._update_links(obj, event, repaint);
                     break;
                 case 'signal':
-                    self._update_signals(obj, event, repaint);
+                    // only graph view might use signal properties
+                    if (this.currentView == 'chord' || this.currentView == 'console')
+                        break;
+                    if (event != 'modified' || this.currentView == 'graph')
+                        self._update_signals(obj, event, repaint);
                     break;
                 case 'map':
                     self._update_maps(obj, event, repaint);
                     break;
                 case 'session':
-                    console.log("got graph sessions callback!");
                     self._update_sessions();
                     break;
             }
-            if (event == 'removed') {
-                // check here if tooltip is visible and has same key as the removed object
-                if (self.tooltip.is_visible && self.tooltip.key == obj.key)
-                    self.tooltip.hide();
-            }
         });
     };
 
@@ -270,7 +277,6 @@ class ViewManager
     }
 
     _update_sessions() {
-        console.log("ViewManager._update_sessions()");
         $('#container').trigger("updateSessions");
     }
 
diff --git a/js/views/ChordView.js b/js/views/ChordView.js
index 2af0d78..f8956af 100644
--- a/js/views/ChordView.js
+++ b/js/views/ChordView.js
@@ -47,14 +47,6 @@ class ChordView extends View {
         // remove associated svg elements for maps
         this.graph.maps.forEach(function(map) { remove_object_svg(map); });
 
-        this.devCount = this.canvas.text(this.mapPane.cx, this.mapPane.cy, " ")
-                                   .attr({'font-size': 100,
-                                          'opacity': 0.25,
-                                          'fill': 'white',
-                                          'x': this.mapPane.cx,
-                                          'y': this.mapPane.cy});
-        this.devCount.node.setAttribute('pointer-events', 'none');
-
         this.updateDevices();
         this.resize();
     }
@@ -68,9 +60,6 @@ class ChordView extends View {
         this.mapPane.cy = this.frame.height * 0.5;
 
         this.radius = Math.min(this.frame.width, this.frame.height) * 0.25;
-
-        this.devCount.attr({'x': this.mapPane.cx,
-                            'y': this.mapPane.cy});
     }
 
     gap(numDevs) {
@@ -605,10 +594,6 @@ class ChordView extends View {
         let updated = false;
         if (elements.indexOf('devices') >= 0) {
             this.updateDevices();
-            if (this.onlineDevs)
-                this.devCount.attr({'text': ''});
-            else
-                this.devCount.attr({'text': 'waiting for devices'});
             updated = true;
         }
         if (elements.indexOf('links') >= 0) {
@@ -628,8 +613,6 @@ class ChordView extends View {
         super.cleanup();
 
         // clean up any objects created only for this view
-        if (this.devCount)
-            this.devCount.remove();
         graph.links.forEach(function(link) {
             if (!link.view)
                 return;
@@ -642,6 +625,10 @@ class ChordView extends View {
                 dev.view.stick.remove();
                 dev.view.stick = null;
             }
+            if (dev.view.label) {
+                dev.view.label.remove();
+                dev.view.label = null;
+            }
             dev.view.unclick();
             dev.view.unhover();
         });
diff --git a/requirements.txt b/requirements.txt
index 80052f4..99c31b4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 netifaces==0.11.0
-libmapper==2.4.6
+libmapper==2.4.11
 mappersession==0.0.15