diff --git a/src/ol/geom/circle.js b/src/ol/geom/circle.js
index 75c73dbb69..2b6e694db4 100644
--- a/src/ol/geom/circle.js
+++ b/src/ol/geom/circle.js
@@ -206,6 +206,18 @@ ol.geom.Circle.prototype.setCenterAndRadius = function(center, radius, opt_layou
 };
 
 
+/**
+ * @inheritDoc
+ */
+ol.geom.Circle.prototype.getCoordinates = function() {};
+
+
+/**
+ * @inheritDoc
+ */
+ol.geom.Circle.prototype.setCoordinates = function(coordinates, opt_layout) {};
+
+
 /**
  * @param {ol.geom.GeometryLayout} layout Layout.
  * @param {Array.<number>} flatCoordinates Flat coordinates.