diff --git a/bitbake/lib/toaster/toastergui/tables.py b/bitbake/lib/toaster/toastergui/tables.py
index 9c9cda4e95..be8916c468 100644
--- a/bitbake/lib/toaster/toastergui/tables.py
+++ b/bitbake/lib/toaster/toastergui/tables.py
@@ -217,12 +217,10 @@ class MachinesTable(ToasterTable, ProjectFiltersMixin):
     def get_context_data(self, **kwargs):
         context = super(MachinesTable, self).get_context_data(**kwargs)
         context['project'] = Project.objects.get(pk=kwargs['pid'])
-        context['projectlayers'] = map(lambda prjlayer: prjlayer.layercommit.id, ProjectLayer.objects.filter(project=context['project']))
         return context
 
     def setup_filters(self, *args, **kwargs):
         project = Project.objects.get(pk=kwargs['pid'])
-        self.project_layers = project.get_project_layer_versions()
 
         self.add_filter(title="Filter by project machines",
                         name="in_current_project",
@@ -236,6 +234,10 @@ class MachinesTable(ToasterTable, ProjectFiltersMixin):
         self.queryset = prj.get_all_compatible_machines()
         self.queryset = self.queryset.order_by(self.default_orderby)
 
+        self.static_context_extra['current_layers'] = \
+                self.project_layers = \
+                prj.get_project_layer_versions(pk=True)
+
     def setup_columns(self, *args, **kwargs):
 
         self.add_column(title="Machine",
diff --git a/bitbake/lib/toaster/toastergui/templates/machine_btn.html b/bitbake/lib/toaster/toastergui/templates/machine_btn.html
index d2cb55bab4..7b08f6a9a6 100644
--- a/bitbake/lib/toaster/toastergui/templates/machine_btn.html
+++ b/bitbake/lib/toaster/toastergui/templates/machine_btn.html
@@ -1,6 +1,14 @@
-<a href="{% url 'project' extra.pid %}?setMachine={{data.name}}" class="btn btn-block layer-exists-{{data.layer_version.id}}" style="margin-top: 5px; display:none">
+<a href="{% url 'project' extra.pid %}?setMachine={{data.name}}" class="btn btn-block layer-exists-{{data.layer_version.id}}"
+    {% if data.layer_version.pk not in extra.current_layers %}
+    style="display:none;"
+    {% endif %}
+>
   Select machine</a>
-<button class="btn btn-block layerbtn layer-add-{{data.layer_version.id}}" data-layer='{ "id": {{data.layer_version.id}}, "name":  "{{data.layer_version.layer.name}}", "layerdetailurl": "{%url 'layerdetails' extra.pid data.layer_version.id %}"}' data-directive="add">
+<button class="btn btn-block layerbtn layer-add-{{data.layer_version.id}}" data-layer='{ "id": {{data.layer_version.id}}, "name":  "{{data.layer_version.layer.name}}", "layerdetailurl": "{%url 'layerdetails' extra.pid data.layer_version.id %}"}' data-directive="add"
+    {% if data.layer_version.pk in extra.current_layers %}
+    style="display:none;"
+    {% endif %}
+>
   <i class="icon-plus"></i>
   Add layer
   <i title="" class="icon-question-sign get-help" data-original-title="To enable this machine, you must first add the {{data.layer_version.layer.name}} layer to your project"></i>