diff --git a/lib/webfontloader/demo/server.rb b/lib/webfontloader/demo/server.rb
index af4b0213..573b7783 100644
--- a/lib/webfontloader/demo/server.rb
+++ b/lib/webfontloader/demo/server.rb
@@ -8,8 +8,8 @@ class Server < Sinatra::Base
       DemoRoot = File.expand_path(File.join(File.dirname(__FILE__)))
       ProjectRoot = File.expand_path(File.join(File.dirname(__FILE__), "..", "..", ".."))
 
-      GoogleApi = "http://fonts.googleapis.com/css"
-      GoogleFontApi = "http://themes.googleusercontent.com/font"
+      GoogleApi = "https://fonts.googleapis.com/css"
+      GoogleFontApi = "https://themes.googleusercontent.com/font"
 
       set :app_file, __FILE__
       set :sessions, false
@@ -43,7 +43,7 @@ class Server < Sinatra::Base
         headers 'Cache-Control' => 'max-age=300'
         response = open(url, 'User-Agent' => env['HTTP_USER_AGENT'])
         source = response.read
-        source.gsub!(%r[http://themes.googleusercontent.com/font], '/fonts/font')
+        source.gsub!(%r[https://themes.googleusercontent.com/font], '/fonts/font')
         source
       end
 
diff --git a/spec/core/domhelper_spec.js b/spec/core/domhelper_spec.js
index d59da93e..3d80ee68 100644
--- a/spec/core/domhelper_spec.js
+++ b/spec/core/domhelper_spec.js
@@ -405,100 +405,6 @@ describe('DomHelper', function () {
     });
   });
 
-  describe('#getProtocol', function () {
-    it('should return http', function () {
-      var domHelper = new DomHelper({
-        location: {
-          protocol: 'http:'
-        }
-      });
-
-      expect(domHelper.getProtocol()).toEqual('http:');
-    });
-
-    it('should return https', function () {
-      var domHelper = new DomHelper({
-        location: {
-          protocol: 'https:'
-        }
-      });
-
-      expect(domHelper.getProtocol()).toEqual('https:');
-    });
-
-    it('should return the protocol from an iframe', function () {
-      var domHelper = new DomHelper({
-        location: {
-          protocol: 'https:'
-        }
-      }, {
-        location: {
-          protocol: 'http:'
-        }
-      });
-
-      expect(domHelper.getProtocol()).toEqual('http:');
-    });
-
-    it('should return the protocol from the main window if the iframe has no protocol', function () {
-      var domHelper = new DomHelper({
-        location: {
-          protocol: 'http:'
-        }
-      }, {
-        location: {
-          protocol: 'about:'
-        }
-      });
-
-      expect(domHelper.getProtocol()).toEqual('http:');
-    });
-  });
-
-  describe('#setProtocol', function () {
-    it('ignores invalid values', function () {
-      var domHelper = new DomHelper({
-        location: 'http:'
-      });
-
-      domHelper.setProtocol('huh');
-
-      expect(domHelper.getProtocol()).toEqual('http:');
-    });
-
-    it('overrides the global value', function () {
-      var domHelper = new DomHelper({
-        location: 'http:'
-      });
-
-      domHelper.setProtocol('https:');
-
-      expect(domHelper.getProtocol()).toEqual('https:');
-    });
-  });
-
-  describe('#isHttps', function () {
-    it('should return true if the protocol is https', function () {
-      var domHelper = new DomHelper({
-        location: {
-          protocol: 'https:'
-        }
-      });
-
-      expect(domHelper.isHttps()).toBe(true);
-    });
-
-    it('should return false if the protocol is not https', function () {
-      var domHelper = new DomHelper({
-        location: {
-          protocol: 'http:'
-        }
-      });
-
-      expect(domHelper.isHttps()).toBe(false);
-    });
-  });
-
   describe('#getHostname', function () {
     it('should return the hostname', function () {
       var domHelper = new DomHelper({
diff --git a/spec/modules/custom_spec.js b/spec/modules/custom_spec.js
index 78f7a630..db76e578 100644
--- a/spec/modules/custom_spec.js
+++ b/spec/modules/custom_spec.js
@@ -24,7 +24,7 @@ describe('modules.Custom', function () {
 
       var defaultModule = new Custom(fakeDomHelper, {
         families: ['Font1', 'Font2', 'Font3'],
-        urls: ['http://moo', 'http://meuh'],
+        urls: ['https://moo', 'https://meuh'],
         testStrings: {
           Font3: 'hello world'
         }
@@ -35,8 +35,8 @@ describe('modules.Custom', function () {
 
     it('should have inserted the links correctly', function () {
       expect(fakeDomHelper.loadStylesheet.callCount).toEqual(2);
-      expect(fakeDomHelper.loadStylesheet).toHaveBeenCalledWith('http://moo', new Any(Function));
-      expect(fakeDomHelper.loadStylesheet).toHaveBeenCalledWith('http://meuh', new Any(Function));
+      expect(fakeDomHelper.loadStylesheet).toHaveBeenCalledWith('https://moo', new Any(Function));
+      expect(fakeDomHelper.loadStylesheet).toHaveBeenCalledWith('https://meuh', new Any(Function));
     });
 
     if (webfont.DomHelper.CAN_WAIT_STYLESHEET) {
diff --git a/spec/modules/fontdeck_spec.js b/spec/modules/fontdeck_spec.js
index 0aebd841..71861685 100644
--- a/spec/modules/fontdeck_spec.js
+++ b/spec/modules/fontdeck_spec.js
@@ -8,9 +8,9 @@ describe('modules.Fontdeck', function () {
 
   var apiResponse = {
     "domain" : "localhost",
-    "cssurl" : "http://f.fontdeck.com/s/css/03BmCXiV2AHwX/Rp+OBFTfD2oFs/localhost/2282.css",
+    "cssurl" : "https://f.fontdeck.com/s/css/03BmCXiV2AHwX/Rp+OBFTfD2oFs/localhost/2282.css",
     "project" : 2282,
-    "cssbase" : "http://f.fontdeck.com/s/css/03BmCXiV2AHwX/Rp+OBFTfD2oFs",
+    "cssbase" : "https://f.fontdeck.com/s/css/03BmCXiV2AHwX/Rp+OBFTfD2oFs",
     "fonts" : [
       {
         "font_family" : "'Fertigo Pro Regular', Fertigo, Constantia, Palatino, serif",
@@ -19,10 +19,10 @@ describe('modules.Fontdeck', function () {
         "style" : "normal",
         "weight" : "normal",
         "font_urls" : {
-          "eot" : "http://f.fontdeck.com/f/1/SUlFR0tid0kAA2vb11Ly/IGWDK+wV8TMAfV0J1Ej1J1GFRT1bssqrn6a.eot",
-          "ttf" : "http://f.fontdeck.com/f/1/SUlFR0tid0kAA2vb11Ly/IGWDK+wV8TMAfV0J1Ej1J1GFRT1bssqrn6a.ttf",
-          "woff" : "http://f.fontdeck.com/f/1/SUlFR0tid0kAA2vb11Ly/IGWDK+wV8TMAfV0J1Ej1J1GFRT1bssqrn6a.woff",
-          "svg" : "http://f.fontdeck.com/f/1/SUlFR0tid0kAA2vb11Ly/IGWDK+wV8TMAfV0J1Ej1J1GFRT1bssqrn6a.svg#104"
+          "eot" : "https://f.fontdeck.com/f/1/SUlFR0tid0kAA2vb11Ly/IGWDK+wV8TMAfV0J1Ej1J1GFRT1bssqrn6a.eot",
+          "ttf" : "https://f.fontdeck.com/f/1/SUlFR0tid0kAA2vb11Ly/IGWDK+wV8TMAfV0J1Ej1J1GFRT1bssqrn6a.ttf",
+          "woff" : "https://f.fontdeck.com/f/1/SUlFR0tid0kAA2vb11Ly/IGWDK+wV8TMAfV0J1Ej1J1GFRT1bssqrn6a.woff",
+          "svg" : "https://f.fontdeck.com/f/1/SUlFR0tid0kAA2vb11Ly/IGWDK+wV8TMAfV0J1Ej1J1GFRT1bssqrn6a.svg#104"
         },
         "id" : 104
       },
@@ -33,10 +33,10 @@ describe('modules.Fontdeck', function () {
         "style" : "italic",
         "weight" : "bold",
         "font_urls" : {
-          "eot" : "http://f.fontdeck.com/f/1/azJEbTVyc1QAA11+CAE5C93+l/bAQx1ipRo6Maba19w3Yy5ng+qVWlfj.eot",
-          "ttf" : "http://f.fontdeck.com/f/1/azJEbTVyc1QAA11+CAE5C93+l/bAQx1ipRo6Maba19w3Yy5ng+qVWlfj.ttf",
-          "woff" : "http://f.fontdeck.com/f/1/azJEbTVyc1QAA11+CAE5C93+l/bAQx1ipRo6Maba19w3Yy5ng+qVWlfj.woff",
-          "svg" : "http://f.fontdeck.com/f/1/azJEbTVyc1QAA11+CAE5C93+l/bAQx1ipRo6Maba19w3Yy5ng+qVWlfj.svg#2256"
+          "eot" : "https://f.fontdeck.com/f/1/azJEbTVyc1QAA11+CAE5C93+l/bAQx1ipRo6Maba19w3Yy5ng+qVWlfj.eot",
+          "ttf" : "https://f.fontdeck.com/f/1/azJEbTVyc1QAA11+CAE5C93+l/bAQx1ipRo6Maba19w3Yy5ng+qVWlfj.ttf",
+          "woff" : "https://f.fontdeck.com/f/1/azJEbTVyc1QAA11+CAE5C93+l/bAQx1ipRo6Maba19w3Yy5ng+qVWlfj.woff",
+          "svg" : "https://f.fontdeck.com/f/1/azJEbTVyc1QAA11+CAE5C93+l/bAQx1ipRo6Maba19w3Yy5ng+qVWlfj.svg#2256"
         },
         "id" : 2256
       }
@@ -54,7 +54,6 @@ describe('modules.Fontdeck', function () {
     fakeDomHelper = {
       loadScript: jasmine.createSpy('loadScript'),
       getLoadWindow: jasmine.createSpy('getLoadWindow').andReturn(global),
-      getProtocol: jasmine.createSpy('getProtocol').andReturn('https:'),
       getHostName: function () { return 'test-host-name';  }
     };
   });
diff --git a/spec/modules/google/fontapiurlbuilder_spec.js b/spec/modules/google/fontapiurlbuilder_spec.js
index ac715eee..0ffecb72 100644
--- a/spec/modules/google/fontapiurlbuilder_spec.js
+++ b/spec/modules/google/fontapiurlbuilder_spec.js
@@ -2,37 +2,37 @@ describe('modules.google.FontApiUrlBuilder', function () {
   var FontApiUrlBuilder = webfont.modules.google.FontApiUrlBuilder;
 
   it('should throw an exception if there are no font families', function () {
-    var builder = new FontApiUrlBuilder('http://moo', 'http:');
+    var builder = new FontApiUrlBuilder('https://moo');
     expect(builder.build).toThrow();
   });
 
   it('should build a proper url', function () {
-    var builder = new FontApiUrlBuilder('http://moo', 'http:');
+    var builder = new FontApiUrlBuilder('https://moo');
     builder.setFontFamilies(['Font1', 'Font2']);
-    expect(builder.build()).toEqual('http://moo?family=Font1%7CFont2');
+    expect(builder.build()).toEqual('https://moo?family=Font1%7CFont2');
   });
 
   it('should build a proper url', function () {
-    var builder = new FontApiUrlBuilder(undefined, 'http:');
+    var builder = new FontApiUrlBuilder(undefined);
     builder.setFontFamilies(['Font1', 'Font2']);
-    expect(builder.build()).toEqual('http:' +
+    expect(builder.build()).toEqual(
       FontApiUrlBuilder.DEFAULT_API_URL +
       '?family=Font1%7CFont2');
   });
 
   it('should build a proper url', function () {
-    var builder = new FontApiUrlBuilder(undefined, 'http:');
+    var builder = new FontApiUrlBuilder(undefined);
     builder.setFontFamilies(['Font1:bold:greek,cyrillic', 'Font2:italic', 'Font3']);
-    expect(builder.build()).toEqual('http:' +
+    expect(builder.build()).toEqual(
       FontApiUrlBuilder.DEFAULT_API_URL +
       '?family=Font1:bold%7CFont2:italic%7CFont3' +
       '&subset=greek,cyrillic');
   });
 
   it('should build a proper url', function () {
-    var builder = new FontApiUrlBuilder(undefined, 'http:');
+    var builder = new FontApiUrlBuilder(undefined);
     builder.setFontFamilies(['Font1:bold,italic:greek,cyrillic', 'Font2:italic', 'Font3::latin']);
-    expect(builder.build()).toEqual('http:' +
+    expect(builder.build()).toEqual(
       FontApiUrlBuilder.DEFAULT_API_URL +
       '?family=Font1:bold,italic%7CFont2:italic%7CFont3' +
       '&subset=greek,cyrillic,latin');
diff --git a/spec/modules/google/googlefontapi_spec.js b/spec/modules/google/googlefontapi_spec.js
index 14c8854d..28a8f423 100644
--- a/spec/modules/google/googlefontapi_spec.js
+++ b/spec/modules/google/googlefontapi_spec.js
@@ -12,9 +12,6 @@ describe('modules.google.GoogleFontApi', function () {
         loadStylesheet: function (cssLink, cb) {
           link = cssLink;
           onload = cb;
-        },
-        getProtocol: function () {
-          return 'http:';
         }
       };
 
@@ -42,7 +39,7 @@ describe('modules.google.GoogleFontApi', function () {
     });
 
     it('has inserted the link element correctly', function () {
-      expect(link).toEqual('http://fonts.googleapis.com/css?family=Font1%7CFont2');
+      expect(link).toEqual('https://fonts.googleapis.com/css?family=Font1%7CFont2');
     });
 
     it('has the correct families', function () {
@@ -61,14 +58,14 @@ describe('modules.google.GoogleFontApi', function () {
     beforeEach(function () {
       loaded  = false;
       googleFontApi = new GoogleFontApi(fakeDomHelper, {
-        api: 'http://moo',
+        api: 'https://moo',
         families: ['Font1', 'Font2']
       });
       googleFontApi.load(function () { loaded = true; });
     });
 
     it('has inserted the link element correctly', function () {
-      expect(link).toEqual('http://moo?family=Font1%7CFont2');
+      expect(link).toEqual('https://moo?family=Font1%7CFont2');
     });
 
     if (webfont.DomHelper.CAN_WAIT_STYLESHEET) {
@@ -91,7 +88,7 @@ describe('modules.google.GoogleFontApi', function () {
     });
 
     it('has inserted the link element correctly', function () {
-      expect(link).toEqual('http://fonts.googleapis.com/css?family=Font1+WithSpace%7CFont2+WithSpaceToo');
+      expect(link).toEqual('https://fonts.googleapis.com/css?family=Font1+WithSpace%7CFont2+WithSpaceToo');
     });
  });
 
@@ -104,7 +101,7 @@ describe('modules.google.GoogleFontApi', function () {
     });
 
     it('has inserted the link element correctly', function () {
-      expect(link).toEqual('http://fonts.googleapis.com/css?family=Font1+WithSpace:bi%7CFont2+WithSpaceToo:b,r');
+      expect(link).toEqual('https://fonts.googleapis.com/css?family=Font1+WithSpace:bi%7CFont2+WithSpaceToo:b,r');
     });
  });
 });
diff --git a/spec/modules/monotype_spec.js b/spec/modules/monotype_spec.js
index 5951ec4d..f664d2ac 100644
--- a/spec/modules/monotype_spec.js
+++ b/spec/modules/monotype_spec.js
@@ -7,7 +7,7 @@ describe('modules.Monotype', function () {
 
   var configuration = {
     projectId: '01e2ff27-25bf-4801-a23e-73d328e6c7cc',
-    api: 'http://fast.fonts.net/jsapidev'
+    api: 'https://fast.fonts.net/jsapidev'
   };
 
   var fakeDomHelper = null,
@@ -25,8 +25,7 @@ describe('modules.Monotype', function () {
         script.onload = callback;
         return script;
       }),
-      getLoadWindow: jasmine.createSpy('getLoadWindow').andReturn(global),
-      getProtocol: jasmine.createSpy('getProtocol').andReturn('http:')
+      getLoadWindow: jasmine.createSpy('getLoadWindow').andReturn(global)
     };
     support = jasmine.createSpy('support');
     load = jasmine.createSpy('load');
@@ -44,7 +43,7 @@ describe('modules.Monotype', function () {
 
   it('should create a script element', function () {
     expect(fakeDomHelper.loadScript).toHaveBeenCalled();
-    expect(fakeDomHelper.loadScript.calls[0].args[0]).toEqual('http://fast.fonts.net/jsapidev/01e2ff27-25bf-4801-a23e-73d328e6c7cc.js');
+    expect(fakeDomHelper.loadScript.calls[0].args[0]).toEqual('https://fast.fonts.net/jsapidev/01e2ff27-25bf-4801-a23e-73d328e6c7cc.js');
     expect(load).toHaveBeenCalledWith([new Font('aachen bold'), new Font('kid print regular')]);
   });
 });
diff --git a/spec/modules/typekit_spec.js b/spec/modules/typekit_spec.js
index db11bcec..4a0a0761 100644
--- a/spec/modules/typekit_spec.js
+++ b/spec/modules/typekit_spec.js
@@ -29,8 +29,7 @@ describe('modules.Typekit', function () {
       loadScript: jasmine.createSpy('loadScript').andCallFake(function (url, cb) {
         cb(null);
       }),
-      getLoadWindow: jasmine.createSpy('getLoadWindow').andReturn(global),
-      getProtocol: jasmine.createSpy('getProtocol').andReturn('http:')
+      getLoadWindow: jasmine.createSpy('getLoadWindow').andReturn(global)
     };
   });
 
diff --git a/src/core/domhelper.js b/src/core/domhelper.js
index f9ee6c6d..19c9e58e 100644
--- a/src/core/domhelper.js
+++ b/src/core/domhelper.js
@@ -234,41 +234,6 @@ goog.scope(function () {
     return this.loadWindow_;
   };
 
-  /**
-   * @return {string} The protocol (http: or https:) to request resources in.
-   */
-  DomHelper.prototype.getProtocol = function() {
-    if (typeof this.protocol_ === 'string') {
-      return this.protocol_;
-    } else {
-      var protocol = this.loadWindow_.location.protocol;
-      // For empty iframes, fallback to main window's protocol.
-      if (protocol == 'about:') {
-        protocol = this.mainWindow_.location.protocol;
-      }
-      return protocol == 'https:' ? 'https:' : 'http:';
-    }
-  };
-
-  /**
-   * Explicitly set the protocol instead of automatic detection.
-   *
-   * @param {string} protocol
-   */
-  DomHelper.prototype.setProtocol = function (protocol) {
-    if (/^http(s)?:$/.test(protocol)) {
-      this.protocol_ = protocol;
-    }
-  };
-
-  /**
-   * Returns the secure status of the current document.
-   * @return {boolean} true if the current document is served securely.
-   */
-  DomHelper.prototype.isHttps = function() {
-    return this.getProtocol() === 'https:';
-  };
-
   /**
    * Returns the hostname of the current document.
    * @return {string} hostname.
diff --git a/src/modules/custom.js b/src/modules/custom.js
index a722d271..7031eda7 100644
--- a/src/modules/custom.js
+++ b/src/modules/custom.js
@@ -8,7 +8,7 @@ goog.require('webfont.StyleSheetWaiter');
  * WebFont.load({
  *   custom: {
  *     families: ['Font1', 'Font2'],
- *    urls: [ 'http://moo', 'http://meuh' ] }
+ *    urls: [ 'https://moo', 'https://meuh' ] }
  * });
  *
  * @constructor
diff --git a/src/modules/fontdeck.js b/src/modules/fontdeck.js
index ab7e0758..a195b325 100644
--- a/src/modules/fontdeck.js
+++ b/src/modules/fontdeck.js
@@ -18,7 +18,7 @@ webfont.modules.Fontdeck = function(domHelper, configuration) {
  */
 webfont.modules.Fontdeck.NAME = 'fontdeck';
 webfont.modules.Fontdeck.HOOK = '__webfontfontdeckmodule__';
-webfont.modules.Fontdeck.API = '//f.fontdeck.com/s/css/js/';
+webfont.modules.Fontdeck.API = 'https://f.fontdeck.com/s/css/js/';
 
 goog.scope(function () {
   var Fontdeck = webfont.modules.Fontdeck,
@@ -26,11 +26,10 @@ goog.scope(function () {
       FontVariationDescription = webfont.FontVariationDescription;
 
   Fontdeck.prototype.getScriptSrc = function(projectId) {
-    var protocol = this.domHelper_.getProtocol();
     // For empty iframes, fall back to main window's hostname.
     var hostname = this.domHelper_.getHostName();
     var api = this.configuration_['api'] || webfont.modules.Fontdeck.API;
-    return protocol + api + hostname + '/' + projectId + '.js';
+    return api + hostname + '/' + projectId + '.js';
   };
 
   Fontdeck.prototype.load = function(onReady) {
diff --git a/src/modules/google/fontapiurlbuilder.js b/src/modules/google/fontapiurlbuilder.js
index 563f285e..8d1bec18 100644
--- a/src/modules/google/fontapiurlbuilder.js
+++ b/src/modules/google/fontapiurlbuilder.js
@@ -3,11 +3,11 @@ goog.provide('webfont.modules.google.FontApiUrlBuilder');
 /**
  * @constructor
  */
-webfont.modules.google.FontApiUrlBuilder = function(apiUrl, protocol, text) {
+webfont.modules.google.FontApiUrlBuilder = function(apiUrl, text) {
   if (apiUrl) {
     this.apiUrl_ = apiUrl;
   } else {
-    this.apiUrl_ = protocol + webfont.modules.google.FontApiUrlBuilder.DEFAULT_API_URL;
+    this.apiUrl_ = webfont.modules.google.FontApiUrlBuilder.DEFAULT_API_URL;
   }
   this.fontFamilies_ = [];
   this.subsets_ = [];
@@ -15,7 +15,7 @@ webfont.modules.google.FontApiUrlBuilder = function(apiUrl, protocol, text) {
 };
 
 
-webfont.modules.google.FontApiUrlBuilder.DEFAULT_API_URL = '//fonts.googleapis.com/css';
+webfont.modules.google.FontApiUrlBuilder.DEFAULT_API_URL = 'https://fonts.googleapis.com/css';
 
 goog.scope(function () {
   var FontApiUrlBuilder = webfont.modules.google.FontApiUrlBuilder;
diff --git a/src/modules/google/googlefontapi.js b/src/modules/google/googlefontapi.js
index 3379f3b3..8f3e5a43 100644
--- a/src/modules/google/googlefontapi.js
+++ b/src/modules/google/googlefontapi.js
@@ -38,7 +38,6 @@ goog.scope(function () {
     var domHelper = this.domHelper_;
     var fontApiUrlBuilder = new FontApiUrlBuilder(
         this.configuration_['api'],
-        domHelper.getProtocol(),
         this.configuration_['text']
     );
     var fontFamilies = this.configuration_['families'];
diff --git a/src/modules/monotype.js b/src/modules/monotype.js
index 5c60ce84..3bff98cb 100644
--- a/src/modules/monotype.js
+++ b/src/modules/monotype.js
@@ -52,9 +52,8 @@ goog.scope(function() {
     
 
   Monotype.prototype.getScriptSrc = function(projectId, version) {
-    var p = this.domHelper_.getProtocol();
-    var api = (this.configuration_['api'] || 'fast.fonts.net/jsapi').replace(/^.*http(s?):(\/\/)?/, "");
-    return p + "//" + api + '/' + projectId + '.js' + (version ? '?v=' + version : '');
+    var api = (this.configuration_['api'] || 'https://fast.fonts.net/jsapi')
+    return api + '/' + projectId + '.js' + (version ? '?v=' + version : '');
   };
 
   Monotype.prototype.load = function(onReady) {