diff --git a/mpicms/events/models.py b/mpicms/events/models.py
index 7cc4d37..b0920c6 100644
--- a/mpicms/events/models.py
+++ b/mpicms/events/models.py
@@ -76,7 +76,6 @@ def get_dict(self, request=None):
             'start': self.start.isoformat(),
             'end': self.end.isoformat() if self.end else None,
             'url': self.get_url(request=request),
-            'color': '#aa0000' if self.external else '#006c66'
         }
 
     def clean(self):