diff --git a/src/js/model.js b/src/js/model.js
index 9492b674..57a35ea3 100644
--- a/src/js/model.js
+++ b/src/js/model.js
@@ -144,3 +144,8 @@ Model.prototype.resize = function () {
 
     this.render();
 };
+
+Model.prototype.dispose = function () {
+    this.renderer.forceContextLoss();
+    this.renderer.dispose();
+};
diff --git a/src/js/tabs/pid_tuning.js b/src/js/tabs/pid_tuning.js
index 71b7a74c..2b6909f4 100644
--- a/src/js/tabs/pid_tuning.js
+++ b/src/js/tabs/pid_tuning.js
@@ -1729,6 +1729,7 @@ TABS.pid_tuning.cleanup = function (callback) {
 
     if (self.model) {
         $(window).off('resize', $.proxy(self.model.resize, self.model));
+        self.model.dispose();
     }
 
     $(window).off('resize', $.proxy(this.updateRatesLabels, this));
diff --git a/src/js/tabs/receiver.js b/src/js/tabs/receiver.js
index 776e757b..27f94b67 100644
--- a/src/js/tabs/receiver.js
+++ b/src/js/tabs/receiver.js
@@ -605,6 +605,7 @@ TABS.receiver.cleanup = function (callback) {
     $(window).off('resize', this.resize);
     if (this.model) {
         $(window).off('resize', $.proxy(this.model.resize, this.model));
+        this.model.dispose();
     }
 
     this.keepRendering = false;
diff --git a/src/js/tabs/setup.js b/src/js/tabs/setup.js
index 7a367276..b998476a 100644
--- a/src/js/tabs/setup.js
+++ b/src/js/tabs/setup.js
@@ -341,6 +341,7 @@ TABS.setup.renderModel = function () {
 TABS.setup.cleanup = function (callback) {
     if (this.model) {
         $(window).off('resize', $.proxy(this.model.resize, this.model));
+        this.model.dispose();
     }
 
     if (callback) callback();