diff --git a/test/spec/ol/format/polylineformat.test.js b/test/spec/ol/format/polylineformat.test.js
index 247c5b6fc8..ec23833d25 100644
--- a/test/spec/ol/format/polylineformat.test.js
+++ b/test/spec/ol/format/polylineformat.test.js
@@ -8,6 +8,7 @@ describe('ol.format.Polyline', function() {
   var floats, smallFloats, encodedFloats;
   var signedIntegers, encodedSignedIntegers;
   var unsignedIntegers, encodedUnsignedIntegers;
+  var points3857;
 
   function resetTestingData() {
     format = new ol.format.Polyline();
diff --git a/test/spec/ol/format/wmsgetfeatureinfoformat.test.js b/test/spec/ol/format/wmsgetfeatureinfoformat.test.js
index aff68e2dc0..f49f8e8129 100644
--- a/test/spec/ol/format/wmsgetfeatureinfoformat.test.js
+++ b/test/spec/ol/format/wmsgetfeatureinfoformat.test.js
@@ -56,7 +56,7 @@ describe('ol.format.WMSGetFeatureInfo', function() {
       });
 
       it('read empty attributes', function() {
-        text =
+        var text =
             '<?xml version="1.0" encoding="ISO-8859-1"?>' +
             '<msGMLOutput ' +
             '   xmlns:gml="http://www.opengis.net/gml"' +
@@ -84,7 +84,7 @@ describe('ol.format.WMSGetFeatureInfo', function() {
       });
 
       it('read features from multiple layers', function() {
-        text =
+        var text =
             '<?xml version="1.0" encoding="ISO-8859-1"?>' +
             '<msGMLOutput ' +
             '  xmlns:gml="http://www.opengis.net/gml"' +
@@ -143,7 +143,7 @@ describe('ol.format.WMSGetFeatureInfo', function() {
       });
 
       it('read geoserver’s response', function() {
-        text =
+        var text =
             '<?xml version="1.0" encoding="UTF-8"?>' +
             '<wfs:FeatureCollection xmlns="http://www.opengis.net/wfs"' +
             '  xmlns:wfs="http://www.opengis.net/wfs"' +
diff --git a/test/spec/ol/geom/geometrycollection.test.js b/test/spec/ol/geom/geometrycollection.test.js
index 3c910ae43f..21a632a135 100644
--- a/test/spec/ol/geom/geometrycollection.test.js
+++ b/test/spec/ol/geom/geometrycollection.test.js
@@ -117,6 +117,8 @@ describe('ol.geom.GeometryCollection', function() {
 
   describe('#intersectsExtent()', function() {
 
+    var point, line, poly, multi;
+
     beforeEach(function() {
       point = new ol.geom.Point([5, 20]);
       line = new ol.geom.LineString([[10, 20], [30, 40]]);
@@ -136,7 +138,6 @@ describe('ol.geom.GeometryCollection', function() {
       expect(multi.intersectsExtent([0, 0, 5, 5])).to.be(true);
     });
 
-
     it('returns false for non-matching extent within own extent', function() {
       var extent = [0, 35, 5, 40];
       expect(poly.intersectsExtent(extent)).to.be(false);
diff --git a/test/spec/ol/interaction/modifyinteraction.test.js b/test/spec/ol/interaction/modifyinteraction.test.js
index 126da86c6c..3ee6d8a4fe 100644
--- a/test/spec/ol/interaction/modifyinteraction.test.js
+++ b/test/spec/ol/interaction/modifyinteraction.test.js
@@ -160,7 +160,7 @@ describe('ol.interaction.Modify', function() {
       });
       map.addInteraction(modify);
 
-      events = trackEvents(first, modify);
+      var events = trackEvents(first, modify);
 
       expect(first.getGeometry().getRevision()).to.equal(firstRevision);
       expect(first.getGeometry().getCoordinates()[0]).to.have.length(5);
diff --git a/test/spec/ol/source/rastersource.test.js b/test/spec/ol/source/rastersource.test.js
index 37633fde39..882a781d28 100644
--- a/test/spec/ol/source/rastersource.test.js
+++ b/test/spec/ol/source/rastersource.test.js
@@ -20,7 +20,7 @@ function itNoPhantom() {
 (typeof ImageData == 'function' ? describe : xdescribe)('ol.source.Raster',
     function() {
 
-      var target, map, redSource, greenSource, blueSource;
+      var target, map, redSource, greenSource, blueSource, raster;
 
       beforeEach(function() {
         target = document.createElement('div');