diff --git a/build.py b/build.py
index b8eb25358c..4b30d64173 100755
--- a/build.py
+++ b/build.py
@@ -236,6 +236,7 @@ def examples_star_json(name, match):
             ],
             "define": [
               "goog.dom.ASSUME_STANDARDS_MODE=true",
+              "goog.json.USE_NATIVE_JSON=true",
               "goog.DEBUG=false"
             ],
             "jscomp_error": [
@@ -254,6 +255,7 @@ def examples_star_json(name, match):
               "duplicate",
               "duplicateMessage",
               "es3",
+              "es5Strict",
               "externsValidation",
               "fileoverviewTags",
               "globalThis",
@@ -276,9 +278,6 @@ def examples_star_json(name, match):
             "extra_annotation_name": [
               "api", "observable"
             ],
-            "jscomp_off": [
-              "es5Strict"
-            ],
             "compilation_level": "ADVANCED",
             "output_wrapper": "// OpenLayers 3. See http://ol3.js.org/\n(function(){%output%})();",
             "use_types_for_optimization": True,
diff --git a/buildcfg/examples-all.json b/buildcfg/examples-all.json
index 5e2b2f5b5a..599762fffd 100644
--- a/buildcfg/examples-all.json
+++ b/buildcfg/examples-all.json
@@ -18,6 +18,7 @@
     ],
     "define": [
       "goog.dom.ASSUME_STANDARDS_MODE=true",
+      "goog.json.USE_NATIVE_JSON=true",
       "goog.DEBUG=false"
     ],
     "jscomp_error": [
@@ -33,6 +34,7 @@
       "deprecated",
       "duplicateMessage",
       "es3",
+      "es5Strict",
       "externsValidation",
       "fileoverviewTags",
       "globalThis",
@@ -58,9 +60,6 @@
     "extra_annotation_name": [
       "api", "observable"
     ],
-    "jscomp_off": [
-      "es5Strict"
-    ],
     "compilation_level": "ADVANCED",
     "output_wrapper": "// OpenLayers 3. See http://ol3.js.org/\n(function(){%output%})();",
     "use_types_for_optimization": true,
diff --git a/buildcfg/ol.json b/buildcfg/ol.json
index 10a459b8c2..bd721f5b31 100644
--- a/buildcfg/ol.json
+++ b/buildcfg/ol.json
@@ -14,6 +14,7 @@
     ],
     "define": [
       "goog.dom.ASSUME_STANDARDS_MODE=true",
+      "goog.json.USE_NATIVE_JSON=true",
       "goog.DEBUG=false"
     ],
     "jscomp_error": [
@@ -29,6 +30,7 @@
       "deprecated",
       "duplicateMessage",
       "es3",
+      "es5Strict",
       "externsValidation",
       "fileoverviewTags",
       "globalThis",
@@ -54,9 +56,6 @@
     "extra_annotation_name": [
       "api", "observable"
     ],
-    "jscomp_off": [
-      "es5Strict"
-    ],
     "compilation_level": "ADVANCED",
     "output_wrapper": "(function(){%output%})();",
     "use_types_for_optimization": true,
diff --git a/closure-util.json b/closure-util.json
index 8a8a5f56bb..572ab67504 100644
--- a/closure-util.json
+++ b/closure-util.json
@@ -1,3 +1,3 @@
 {
-  "library_url": "https://github.com/google/closure-library/archive/ab89cf45c216615d73a2f5dea720afb9d3415d1f.zip"
+  "library_url": "https://github.com/google/closure-library/archive/946a7d39d4ffe08676c755b21d901e71d9904a3b.zip"
 }
diff --git a/src/ol/browserfeature.js b/src/ol/browserfeature.js
index 74baa0f400..078e14a269 100644
--- a/src/ol/browserfeature.js
+++ b/src/ol/browserfeature.js
@@ -89,14 +89,6 @@ ol.BrowserFeature.HAS_DOM = ol.ENABLE_DOM;
 ol.BrowserFeature.HAS_GEOLOCATION = 'geolocation' in goog.global.navigator;
 
 
-/**
- * @const
- * @type {boolean}
- */
-ol.BrowserFeature.HAS_JSON_PARSE =
-    'JSON' in goog.global && 'parse' in goog.global.JSON;
-
-
 /**
  * True if browser supports touch events.
  * @const
diff --git a/src/ol/format/jsonfeatureformat.js b/src/ol/format/jsonfeatureformat.js
index 912c6f01c5..8997b4f9ff 100644
--- a/src/ol/format/jsonfeatureformat.js
+++ b/src/ol/format/jsonfeatureformat.js
@@ -2,7 +2,6 @@ goog.provide('ol.format.JSONFeature');
 
 goog.require('goog.asserts');
 goog.require('goog.json');
-goog.require('ol.BrowserFeature');
 goog.require('ol.format.Feature');
 goog.require('ol.format.FormatType');
 
@@ -32,12 +31,7 @@ ol.format.JSONFeature.prototype.getObject_ = function(source) {
   if (goog.isObject(source)) {
     return source;
   } else if (goog.isString(source)) {
-    var object;
-    if (ol.BrowserFeature.HAS_JSON_PARSE) {
-      object = /** @type {Object} */ (JSON.parse(source));
-    } else {
-      object = goog.json.parse(source);
-    }
+    var object = goog.json.parse(source);
     return goog.isDef(object) ? object : null;
   } else {
     goog.asserts.fail();