diff --git a/examples/polymer_partial.html b/examples/polymer_partial.html
index 8c4c77a..2175660 100644
--- a/examples/polymer_partial.html
+++ b/examples/polymer_partial.html
@@ -36,7 +36,7 @@ <h1><code>imported-template</code> within Polymer's <code>dom-bind</code></h1>
             <p>So, you can access, and edit same object properties from outside: <input value="{{model.data.content::input}}" /></p>
             <p>See console for more details.</p>
             <pre><code>&lt;imported-template
-            content$="{{model.path}}"
+            href="{{model.path}}"
             model="{{model.data}}"
             &gt;&lt;/imported-template&gt;</code></pre>
             <hr />
diff --git a/test/content-legacy/deprecation-warning.html b/test/content-legacy/deprecation-warning.html
deleted file mode 100644
index c7b11c1..0000000
--- a/test/content-legacy/deprecation-warning.html
+++ /dev/null
@@ -1,76 +0,0 @@
-﻿<!doctype html>
-<html>
-
-<head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
-
-    <script src="../../../webcomponentsjs/webcomponents-lite.js"></script>
-    <script src="../../../web-component-tester/browser.js"></script>
-
-    <!-- Step 1: import the element to test -->
-    <link rel="import" href="../../imported-template.html">
-</head>
-
-<body>
-
-    <test-fixture id="juicy-html-with-content">
-        <template>
-            <!-- nest to workaround test-fixture bug -->
-            <div><imported-template content="../mock/smth.html"></imported-template></div>
-        </template>
-    </test-fixture>
-    <test-fixture id="juicy-html-without-content">
-        <template>
-            <!-- nest to workaround test-fixture bug -->
-            <div><imported-template></imported-template></div>
-        </template>
-    </test-fixture>
-
-    <script>
-        describe('<imported-template>', function () {
-            var myEl, changedEl, infoSpy, warnSpy, errorSpy;
-            beforeEach(function () {
-                infoSpy = sinon.spy(console, 'info');
-                infoSpy.displayName = 'console.info';
-                warnSpy = sinon.spy(console, 'warn');
-                warnSpy.displayName = 'console.warn';
-                errorSpy = sinon.spy(console, 'error');
-                errorSpy.displayName = 'console.error';
-            });
-            afterEach(function () {
-                infoSpy.restore();
-                warnSpy.restore();
-                errorSpy.restore();
-            });
-            context('when element is attached with content attribute', function () {
-                beforeEach(function (done) {
-                    myEl = fixture('juicy-html-with-content').querySelector('imported-template');
-                    // wait for (faked) XHR
-                    setTimeout(done, 100);
-                });
-
-                it('should call <code>console.warn</code> with message about "deprecate", "href" and "html"', function () {
-                    expect(warnSpy.withArgs(sinon.match(/deprecate.*href.*html/))).to.be.calledOnce;
-                });
-
-            });
-            context('when content attribute is changed', function () {
-                beforeEach(function (done) {
-                    myEl = fixture('juicy-html-without-content').querySelector('imported-template');
-                    myEl.setAttribute('content', '../mock/smth.html');
-                    // wait for (faked) XHR
-                    setTimeout(done, 100);
-                });
-
-                it('should call <code>console.warn</code> with message about "deprecate", "href" and "html"', function () {
-                    expect(warnSpy.withArgs(sinon.match(/deprecate.*href.*html/))).to.be.calledOnce;
-                });
-
-            });
-        });
-    </script>
-
-</body>
-
-</html>
diff --git a/test/content-legacy/inline.html b/test/content-legacy/inline.html
deleted file mode 100644
index 84b1eba..0000000
--- a/test/content-legacy/inline.html
+++ /dev/null
@@ -1,85 +0,0 @@
-﻿<!doctype html>
-<html>
-
-<head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
-
-    <script src="../../../webcomponentsjs/webcomponents-lite.js"></script>
-    <script src="../../../web-component-tester/browser.js"></script>
-
-    <!-- Step 1: import the element to test -->
-    <link rel="import" href="../../imported-template.html">
-</head>
-
-<body>
-
-    <!-- You can use the document as a place to set up your fixtures. -->
-    <test-fixture id="juicy-html-fixture">
-        <template>
-            <!-- nest to workaround test-fixture bug -->
-            <div><imported-template content="<h1>Hello World</h1>"></imported-template></div>
-        </template>
-    </test-fixture>
-
-    <script>
-        describe('<imported-template>', function() {
-            var myEl;
-            context('when created with HTML markup in content attribute', function() {
-                beforeEach(function() {
-                    myEl = fixture('juicy-html-fixture').querySelector('imported-template');
-                });
-                it('should stamp it into DOM as a sibling', function(){
-                    expect(myEl.nextElementSibling).to.be.not.null;
-                    expect(myEl.nextElementSibling.tagName).to.equal('H1');
-                    expect(myEl.nextElementSibling.innerHTML).to.equal('Hello World');
-                });
-
-                it('should remove stamped nodes after content is cleared', function(){
-                    var parent = myEl.parentNode;
-                    // pre-test conditions
-                    expect(parent.children.length).to.be.equal(2);
-                    // actual test
-                    myEl.setAttribute('content', null);
-                    expect(myEl.nextElementSibling).to.be.null;
-                    expect(myEl.previousElementSibling).to.be.null;
-                });
-
-                it('after markup is changed, should re-stamp it into DOM as a sibling', function(){
-                    myEl.setAttribute('content', '<h2>new content</h2>');
-                    expect(myEl.nextElementSibling).to.be.not.null;
-                    expect(myEl.nextElementSibling.tagName).to.equal('H2');
-                    expect(myEl.nextElementSibling.innerHTML).to.equal('new content');
-                    expect(myEl.parentNode.children.length).to.equal(2);
-                });
-
-                it('should remove stamped nodes after it\'s detached from DOM', function(done){
-                    var parent = myEl.parentNode;
-                    // pre-test conditions
-                    expect(parent.children.length).to.be.equal(2);
-                    // actual test
-                    parent.removeChild(myEl);
-                    setTimeout(function waitForDetachedPolyfill() {
-                        expect(parent.children.length).to.be.equal(0);
-                        expect(parent.childNodes.length).to.be.equal(0);
-                        done();
-                    },1);
-                });
-
-                // https://github.com/Juicy/juicy-html/issues/17
-                it('should remove stamped nodes after `content` attribute is removed', function(){
-                    var parent = myEl.parentNode;
-                    // pre-test conditions
-                    expect(parent.children.length).to.be.equal(2);
-                    // actual test
-                    myEl.removeAttribute('content');
-                    expect(parent.children.length).to.be.equal(1);
-                    expect(parent.childNodes.length).to.be.equal(1);
-                });
-            });
-        });
-    </script>
-
-</body>
-
-</html>
diff --git a/test/content-legacy/no-content.html b/test/content-legacy/no-content.html
deleted file mode 100644
index c21c81d..0000000
--- a/test/content-legacy/no-content.html
+++ /dev/null
@@ -1,114 +0,0 @@
-﻿<!doctype html>
-<html>
-
-<head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
-
-    <script src="../../../webcomponentsjs/webcomponents-lite.js"></script>
-    <script src="../../../web-component-tester/browser.js"></script>
-
-    <!-- Step 1: import the element to test -->
-    <link rel="import" href="../../imported-template.html">
-</head>
-
-<body>
-
-    <test-fixture id="juicy-html-with-content">
-        <template>
-            <!-- nest to workaround test-fixture bug -->
-            <div><imported-template content="../mock/smth.html"></imported-template></div>
-        </template>
-    </test-fixture>
-    <test-fixture id="juicy-html-204-empty">
-        <template>
-            <!-- nest to workaround test-fixture bug -->
-            <div><imported-template content="../mock/204"></imported-template></div>
-        </template>
-    </test-fixture>
-    <test-fixture id="juicy-html-200-empty">
-        <template>
-            <!-- nest to workaround test-fixture bug -->
-            <div><imported-template content="../mock/200"></imported-template></div>
-        </template>
-    </test-fixture>
-
-    <script>
-        describe('<imported-template>', function () {
-            var myEl, changedEl, server, infoSpy, warnSpy, errorSpy;
-            beforeEach(function () {
-                // set up spies
-                infoSpy = sinon.spy(console, 'info');
-                infoSpy.displayName = 'console.info';
-                warnSpy = sinon.spy(console, 'warn');
-                warnSpy.displayName = 'console.warn';
-                errorSpy = sinon.spy(console, 'error');
-                errorSpy.displayName = 'console.error';
-                // setup server
-                server = sinon.fakeServer.create();
-                server.xhr.useFilters = true;
-                server.xhr.addFilter(function (method, url) {
-                    //whenever this returns true the request will not faked
-                    return !url.match(/\.\.\/mock\/204/);
-                });
-                server.respondWith('GET', '../mock/204', [204, {"Content-Type": "text/html"}, '']);
-                server.autoRespond = true;
-            });
-            afterEach(function () {
-                infoSpy.restore();
-                warnSpy.restore();
-                errorSpy.restore();
-
-                server.restore();
-            });
-            xcontext('when external file returns <code>204 No Content</code>', function () {
-                beforeEach(function (done) {
-
-                    myEl = fixture('juicy-html-204-empty').querySelector('imported-template');
-                    changedEl = fixture('juicy-html-with-content').querySelector('imported-template');
-                    changedEl.setAttribute('content', '../mock/204');
-                    // wait for (faked) XHR
-                    setTimeout(done, 300);
-                });
-                it('should not throw any error', function () {
-                    expect(errorSpy).not.to.be.called;
-                });
-
-                it('should remove previously stamped nodes', function () {
-                    expect(changedEl.nextElementSibling).to.be.null;
-                    expect(changedEl.previousElementSibling).to.be.null;
-                });
-                it('should call <code>console.info</code>', function () {
-                    expect(infoSpy).to.be.called;
-                    expect(infoSpy).to.be.calledTwice; // once per element
-                });
-
-            });
-            context('when external file returns <code>200 Ok</code> but no content', function () {
-                beforeEach(function (done) {
-                    myEl = fixture('juicy-html-200-empty').querySelector('imported-template');
-                    changedEl = fixture('juicy-html-with-content').querySelector('imported-template');
-                    changedEl.setAttribute('content', '../mock/200');
-                    // wait for (faked) XHR
-                    setTimeout(done, 300);
-                });
-                it('should not throw any error', function () {
-                    expect(errorSpy).not.to.be.called;
-                });
-
-                it('should remove previously stamped nodes', function () {
-                    expect(changedEl.nextElementSibling).to.be.null;
-                    expect(changedEl.previousElementSibling).to.be.null;
-                });
-                it('should call <code>console.warn</code> with message about "empty"', function () {
-                    expect(warnSpy.withArgs(sinon.match(/empty/))).to.be.called;
-                    expect(warnSpy.withArgs(sinon.match(/empty/))).to.be.calledTwice; // once per element
-                });
-
-            });
-        });
-    </script>
-
-</body>
-
-</html>
diff --git a/test/content-legacy/skipping.html b/test/content-legacy/skipping.html
deleted file mode 100644
index 5e0fec2..0000000
--- a/test/content-legacy/skipping.html
+++ /dev/null
@@ -1,75 +0,0 @@
-﻿<!doctype html>
-<html>
-
-<head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
-
-    <script src="../../../webcomponentsjs/webcomponents-lite.js"></script>
-    <script src="../../../web-component-tester/browser.js"></script>
-
-    <!-- Step 1: import the element to test -->
-    <link rel="import" href="../../imported-template.html">
-</head>
-
-<body>
-
-    <!-- You can use the document as a place to set up your fixtures. -->
-    <test-fixture id="juicy-html-fixture">
-        <template>
-            <!-- nest to workaround test-fixture bug -->
-            <div><imported-template></imported-template></div>
-        </template>
-    </test-fixture>
-
-    <script>
-        describe('<imported-template>', function() {
-            var myEl;
-            context('when skipStampingPendingFile method is called after request for file was send but before it responded', function() {
-                beforeEach(function() {
-                    myEl = fixture('juicy-html-fixture').querySelector('imported-template');
-                    myEl.setAttribute('content', '../../examples/partials/basic.html');
-                    myEl.skipStampingPendingFile();
-                });
-                it('should NOT stamp anything', function(done){
-                    setTimeout(function(){
-                        expect(myEl.parentNode.childNodes.length).to.equal(1);
-                        expect(myEl.parentNode.childNodes[0]).to.equal(myEl);
-                        done();
-                    }, 300);
-                });
-            });
-            context('when content property is changed', function() {
-                beforeEach(function() {
-                    myEl = fixture('juicy-html-fixture').querySelector('imported-template');
-                    myEl.setAttribute('content', '../../examples/partials/basic.html');
-                    sinon.spy(myEl, 'skipStampingPendingFile');
-                });
-                it('to another url, skipStampingPendingFile method should get called', function(){
-                    // pre-test conditions
-                    expect(myEl.skipStampingPendingFile).not.to.be.called;
-                    // actual test
-                    myEl.setAttribute('content', '../../examples/partials/page_1.html');
-                    expect(myEl.skipStampingPendingFile).to.be.calledOnce;
-                });
-                it('to a string, skipStampingPendingFile method should get called', function(){
-                    // pre-test conditions
-                    expect(myEl.skipStampingPendingFile).not.to.be.called;
-                    // actual test
-                    myEl.setAttribute('content', 'blah');
-                    expect(myEl.skipStampingPendingFile).to.be.calledOnce;
-                });
-                it('to `null`, skipStampingPendingFile method should get called', function(){
-                    // pre-test conditions
-                    expect(myEl.skipStampingPendingFile).not.to.be.called;
-                    // actual test
-                    myEl.setAttribute('content', null);
-                    expect(myEl.skipStampingPendingFile).to.be.calledOnce;
-                });
-            });
-        });
-    </script>
-
-</body>
-
-</html>
diff --git a/test/index.html b/test/index.html
index 1d09cf2..da14df6 100644
--- a/test/index.html
+++ b/test/index.html
@@ -21,10 +21,6 @@
             'inline.html',
             'no-content.html',
             'skipping.html',
-            'content-legacy/deprecation-warning.html',
-            'content-legacy/inline.html',
-            'content-legacy/no-content.html',
-            'content-legacy/skipping.html',
             // specific imported=tempaltefeatures
             // scoping
             'scopes/stamp-in-order.html',
