diff --git a/package-lock.json b/package-lock.json
index f2cf8e7..96a8760 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3607,6 +3607,8 @@
     },
     "@testing-library/jest-dom": {
       "version": "4.2.4",
+      "resolved": "https://registry.npmjs.org/@testing-library/jest-dom/-/jest-dom-4.2.4.tgz",
+      "integrity": "sha512-j31Bn0rQo12fhCWOUWy9fl7wtqkp7In/YP2p5ZFyRuiiB9Qs3g+hS4gAmDWONbAHcRmVooNJ5eOHQDCOmUFXHg==",
       "requires": {
         "@babel/runtime": "^7.5.1",
         "chalk": "^2.4.1",
@@ -3631,6 +3633,8 @@
     },
     "@testing-library/react": {
       "version": "9.5.0",
+      "resolved": "https://registry.npmjs.org/@testing-library/react/-/react-9.5.0.tgz",
+      "integrity": "sha512-di1b+D0p+rfeboHO5W7gTVeZDIK5+maEgstrZbWZSSvxDyfDRkkyBE1AJR5Psd6doNldluXlCWqXriUfqu/9Qg==",
       "requires": {
         "@babel/runtime": "^7.8.4",
         "@testing-library/dom": "^6.15.0",
@@ -3638,7 +3642,9 @@
       }
     },
     "@testing-library/user-event": {
-      "version": "7.2.1"
+      "version": "7.2.1",
+      "resolved": "https://registry.npmjs.org/@testing-library/user-event/-/user-event-7.2.1.tgz",
+      "integrity": "sha512-oZ0Ib5I4Z2pUEcoo95cT1cr6slco9WY7yiPpG+RGNkj8YcYgJnM7pXmYmorNOReh8MIGcKSqXyeGjxnr8YiZbA=="
     },
     "@types/babel__core": {
       "version": "7.1.9",
@@ -12225,6 +12231,8 @@
     },
     "react": {
       "version": "16.13.1",
+      "resolved": "https://registry.npmjs.org/react/-/react-16.13.1.tgz",
+      "integrity": "sha512-YMZQQq32xHLX0bz5Mnibv1/LHb3Sqzngu7xstSM+vrkE5Kzr9xE0yMByK5kMoTK30YVJE61WfbxIFFvfeDKT1w==",
       "requires": {
         "loose-envify": "^1.1.0",
         "object-assign": "^4.1.1",
@@ -12431,6 +12439,8 @@
     },
     "react-dom": {
       "version": "16.13.1",
+      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-16.13.1.tgz",
+      "integrity": "sha512-81PIMmVLnCNLO/fFOQxdQkvEq/+Hfpv24XNJfpyZhTRfO0QcmQIF/PgCa1zCOj2w1hrn12MFLyaJ/G0+Mxtfag==",
       "requires": {
         "loose-envify": "^1.1.0",
         "object-assign": "^4.1.1",
@@ -12450,6 +12460,8 @@
     },
     "react-scripts": {
       "version": "3.4.3",
+      "resolved": "https://registry.npmjs.org/react-scripts/-/react-scripts-3.4.3.tgz",
+      "integrity": "sha512-oSnoWmii/iKdeQiwaO6map1lUaZLmG0xIUyb/HwCVFLT7gNbj8JZ9RmpvMCZ4fB98ZUMRfNmp/ft8uy/xD1RLA==",
       "requires": {
         "@babel/core": "7.9.0",
         "@svgr/webpack": "4.3.3",
diff --git a/src/App.js b/src/App.js
index bcb4ea1..c960d20 100644
--- a/src/App.js
+++ b/src/App.js
@@ -5,7 +5,6 @@ import React, { useState, useEffect } from 'react';
 
 // openlayers
 import GeoJSON from 'ol/format/GeoJSON'
-import Feature from 'ol/Feature';
 
 // components
 import MapWrapper from './components/MapWrapper'
diff --git a/src/components/MapWrapper.js b/src/components/MapWrapper.js
index c2b16ad..cc9d7d2 100644
--- a/src/components/MapWrapper.js
+++ b/src/components/MapWrapper.js
@@ -92,7 +92,7 @@ function MapWrapper(props) {
 
     }
 
-  },[props.features])
+  },[props.features, featuresLayer, map])
 
   // map click handler
   const handleMapClick = (event) => {