diff --git a/scripts/extractPoiTypesFromID.js b/scripts/extractPoiTypesFromID.js
index b115553..10689f0 100755
--- a/scripts/extractPoiTypesFromID.js
+++ b/scripts/extractPoiTypesFromID.js
@@ -30,7 +30,6 @@
  */
 
 const Gio = imports.gi.Gio;
-const ByteArray = imports.byteArray;
 
 const PRESETS_PATH = 'data/presets/presets';
 const LOCALES_PATH = 'dist/locales';
@@ -83,7 +82,7 @@
 function processLocale(dirPath, fileName) {
     let file = Gio.File.new_for_path(dirPath + '/' + fileName);
     let [status, buffer] = file.load_contents(null);
-    let object = JSON.parse(ByteArray.toString(buffer));
+    let object = JSON.parse(buffer);
     let lang = fileName.substring(0, fileName.indexOf('.json'));
 
     for (let type in OUTPUT) {
diff --git a/src/geoJSONShapeLayer.js b/src/geoJSONShapeLayer.js
index d06fe94..46dcc47 100644
--- a/src/geoJSONShapeLayer.js
+++ b/src/geoJSONShapeLayer.js
@@ -18,7 +18,6 @@
  */
 
 const GObject = imports.gi.GObject;
-const ByteArray = imports.byteArray;
 
 const GeoJSONSource = imports.geoJSONSource;
 const ShapeLayer = imports.shapeLayer;
@@ -45,7 +44,7 @@
     }
 
     _parseContent() {
-        this._mapSource.parse(JSON.parse(ByteArray.toString(this._fileContents)));
+        this._mapSource.parse(JSON.parse(this._fileContents));
     }
 });
 
diff --git a/src/osmTypes.js b/src/osmTypes.js
index 8e95530..40980c6 100644
--- a/src/osmTypes.js
+++ b/src/osmTypes.js
@@ -21,7 +21,6 @@
 
 const Gio = imports.gi.Gio;
 const GLib = imports.gi.GLib;
-const ByteArray = imports.byteArray;
 
 const Utils = imports.utils;
 
@@ -30,7 +29,7 @@
 
 const _file = Gio.file_new_for_uri('resource://org/gnome/Maps/osm-types.json');
 const [_status, _buffer] = _file.load_contents(null);
-const OSM_TYPE_MAP = JSON.parse(ByteArray.toString(_buffer));
+const OSM_TYPE_MAP = JSON.parse(_buffer);
 
 /* Lists the OSM tags we base our notion of location types on */
 var OSM_TYPE_TAGS = ['aeroway', 'amenity', 'leisure', 'office', 'place', 'shop', 'tourism' ];
@@ -129,7 +128,7 @@
             return;
         }
 
-        this._recentTypes = JSON.parse(ByteArray.toString(buffer));
+        this._recentTypes = JSON.parse(buffer);
     }
 
     _save() {
diff --git a/src/placeStore.js b/src/placeStore.js
index 7c240ae..7b3abc7 100644
--- a/src/placeStore.js
+++ b/src/placeStore.js
@@ -22,7 +22,6 @@
 const GdkPixbuf = imports.gi.GdkPixbuf;
 const Geocode = imports.gi.GeocodeGlib;
 const Gtk = imports.gi.Gtk;
-const ByteArray = imports.byteArray;
 
 const ContactPlace = imports.contactPlace;
 const Place = imports.place;
@@ -166,7 +165,7 @@
         if (buffer === null)
             return;
         try {
-            let jsonArray = JSON.parse(ByteArray.toString(buffer));
+            let jsonArray = JSON.parse(buffer);
             jsonArray.forEach(({ place, type, added }) => {
                 // We expect exception to be thrown in this line when parsing
                 // gnome-maps 3.14 or below place stores since the "place"
diff --git a/src/service.js b/src/service.js
index c1f5413..cf0654c 100644
--- a/src/service.js
+++ b/src/service.js
@@ -22,7 +22,6 @@
 const Gio = imports.gi.Gio;
 const GLib = imports.gi.GLib;
 const Soup = imports.gi.Soup;
-const ByteArray = imports.byteArray;
 
 const Utils = imports.utils;
 
@@ -37,7 +36,7 @@
         log('Failed to open service file: ' + filename);
         System.exit(1);
     }
-    _service = JSON.parse(ByteArray.toString(data));
+    _service = JSON.parse(data);
     return _service;
 }