diff --git a/combo/apps/dataviz/models.py b/combo/apps/dataviz/models.py
index e01f51c2..2fcce5b2 100644
--- a/combo/apps/dataviz/models.py
+++ b/combo/apps/dataviz/models.py
@@ -135,6 +135,9 @@ class ChartNgCell(CellBase):
     def get_additional_label(self):
         return self.title
 
+    def is_relevant(self, context=None):
+        return bool(self.data_reference)
+
     def save(self, *args, **kwargs):
         if self.data_reference:
             site_key, visualization_slug = self.data_reference.split(':')
diff --git a/combo/apps/dataviz/templates/combo/chartngcell_form.html b/combo/apps/dataviz/templates/combo/chartngcell_form.html
index b72a5663..aafc5394 100644
--- a/combo/apps/dataviz/templates/combo/chartngcell_form.html
+++ b/combo/apps/dataviz/templates/combo/chartngcell_form.html
@@ -1,6 +1,6 @@
 <div style="position: relative">
 {{ form.as_p }}
-{% if cell.chart_type != "table" %}
+{% if cell.chart_type != "table" and cell.is_relevant %}
 <div style="position: absolute; right: 0; top: 0; width: 300px; height: 150px">
   <embed type="image/svg+xml" src="{% url 'combo-dataviz-graph' cell=cell.id %}?width=300&height=150"/>
 </div>