Remove the vertex on ol.interaction.Modify deactivation

src/ol/interaction/modify.js

@@ -258,6 +258,18 @@ ol.interaction.Modify.prototype.removeFeatureSegmentData_ = function(feature) {
 };
 
 
+/**
+ * @inheritDoc
+ */
+ol.interaction.Modify.prototype.setActive = function(active) {
+  if (this.vertexFeature_ && !active) {
+    this.overlay_.getSource().removeFeature(this.vertexFeature_);
+    this.vertexFeature_ = null;
+  }
+  ol.interaction.Pointer.prototype.setActive.call(this, active);
+};
+
+
 /**
  * @inheritDoc
  */