diff --git a/src/Angular.js b/src/Angular.js
index 48c31ea1a0b9..ef06dd4ad67a 100644
--- a/src/Angular.js
+++ b/src/Angular.js
@@ -173,15 +173,7 @@ function isValidObjectMaxDepth(maxDepth) {
 }
 
 /**
- * @ngdoc function
- * @name angular.lowercase
- * @module ng
- * @kind function
- *
- * @deprecated
- * sinceVersion="1.5.0"
- * removeVersion="1.7.0"
- * Use [String.prototype.toLowerCase](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String/toLowerCase) instead.
+ * @private
  *
  * @description Converts the specified string to lowercase.
  * @param {string} string String to be converted to lowercase.
@@ -190,15 +182,7 @@ function isValidObjectMaxDepth(maxDepth) {
 var lowercase = function(string) {return isString(string) ? string.toLowerCase() : string;};
 
 /**
- * @ngdoc function
- * @name angular.uppercase
- * @module ng
- * @kind function
- *
- * @deprecated
- * sinceVersion="1.5.0"
- * removeVersion="1.7.0"
- * Use [String.prototype.toUpperCase](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String/toUpperCase) instead.
+ * @private
  *
  * @description Converts the specified string to uppercase.
  * @param {string} string String to be converted to uppercase.
diff --git a/src/AngularPublic.js b/src/AngularPublic.js
index e90814e8d1a9..0f563fc35418 100644
--- a/src/AngularPublic.js
+++ b/src/AngularPublic.js
@@ -150,8 +150,6 @@ function publishExternalAPI(angular) {
     'isArray': isArray,
     'version': version,
     'isDate': isDate,
-    'lowercase': lowercase,
-    'uppercase': uppercase,
     'callbacks': {$$counter: 0},
     'getTestability': getTestability,
     'reloadWithDebugInfo': reloadWithDebugInfo,
@@ -159,7 +157,9 @@ function publishExternalAPI(angular) {
     '$$csp': csp,
     '$$encodeUriSegment': encodeUriSegment,
     '$$encodeUriQuery': encodeUriQuery,
-    '$$stringify': stringify
+    '$$lowercase': lowercase,
+    '$$stringify': stringify,
+    '$$uppercase': uppercase
   });
 
   angularModule = setupModuleLoader(window);
diff --git a/src/ngMock/angular-mocks.js b/src/ngMock/angular-mocks.js
index f35f462ec89b..11a87bd4058c 100644
--- a/src/ngMock/angular-mocks.js
+++ b/src/ngMock/angular-mocks.js
@@ -2072,13 +2072,13 @@ function MockXhr() {
     var header = this.$$respHeaders[name];
     if (header) return header;
 
-    name = angular.lowercase(name);
+    name = angular.$$lowercase(name);
     header = this.$$respHeaders[name];
     if (header) return header;
 
     header = undefined;
     angular.forEach(this.$$respHeaders, function(headerVal, headerName) {
-      if (!header && angular.lowercase(headerName) === name) header = headerVal;
+      if (!header && angular.$$lowercase(headerName) === name) header = headerVal;
     });
     return header;
   };
diff --git a/src/ngSanitize/sanitize.js b/src/ngSanitize/sanitize.js
index f5f7490c2f67..fca8d7c8fcc6 100644
--- a/src/ngSanitize/sanitize.js
+++ b/src/ngSanitize/sanitize.js
@@ -212,7 +212,7 @@ function $SanitizeProvider() {
   extend = angular.extend;
   forEach = angular.forEach;
   isDefined = angular.isDefined;
-  lowercase = angular.lowercase;
+  lowercase = angular.$$lowercase;
   noop = angular.noop;
 
   htmlParser = htmlParserImpl;
diff --git a/src/ngTouch/touch.js b/src/ngTouch/touch.js
index 5ae19d6b4a87..bead005079e6 100644
--- a/src/ngTouch/touch.js
+++ b/src/ngTouch/touch.js
@@ -27,7 +27,7 @@ var ngTouch = angular.module('ngTouch', []);
 ngTouch.provider('$touch', $TouchProvider);
 
 function nodeName_(element) {
-  return angular.lowercase(element.nodeName || (element[0] && element[0].nodeName));
+  return angular.$$lowercase(element.nodeName || (element[0] && element[0].nodeName));
 }
 
 /**
diff --git a/test/ng/compileSpec.js b/test/ng/compileSpec.js
index 59c685753f99..d3917bd79ba5 100644
--- a/test/ng/compileSpec.js
+++ b/test/ng/compileSpec.js
@@ -11353,7 +11353,7 @@ describe('$compile', function() {
         element = $compile('<iframe srcdoc="{{html}}"></iframe>')($rootScope);
         $rootScope.html = $sce.trustAsHtml('<div onclick="">hello</div>');
         $rootScope.$digest();
-        expect(angular.lowercase(element.attr('srcdoc'))).toEqual('<div onclick="">hello</div>');
+        expect(lowercase(element.attr('srcdoc'))).toEqual('<div onclick="">hello</div>');
       }));
     });
   }
diff --git a/test/ng/directive/ngBindSpec.js b/test/ng/directive/ngBindSpec.js
index b4e80b2f62d5..1d5cba43415e 100644
--- a/test/ng/directive/ngBindSpec.js
+++ b/test/ng/directive/ngBindSpec.js
@@ -176,17 +176,17 @@ describe('ngBind*', function() {
         element = $compile('<div ng-bind-html="html"></div>')($rootScope);
         $rootScope.html = '<div onclick="">hello</div>';
         $rootScope.$digest();
-        expect(angular.lowercase(element.html())).toEqual('<div onclick="">hello</div>');
+        expect(lowercase(element.html())).toEqual('<div onclick="">hello</div>');
       }));
 
       it('should update html', inject(function($rootScope, $compile, $sce) {
         element = $compile('<div ng-bind-html="html"></div>')($rootScope);
         $rootScope.html = 'hello';
         $rootScope.$digest();
-        expect(angular.lowercase(element.html())).toEqual('hello');
+        expect(lowercase(element.html())).toEqual('hello');
         $rootScope.html = 'goodbye';
         $rootScope.$digest();
-        expect(angular.lowercase(element.html())).toEqual('goodbye');
+        expect(lowercase(element.html())).toEqual('goodbye');
       }));
 
       it('should one-time bind if the expression starts with two colons', inject(function($rootScope, $compile) {
@@ -220,17 +220,17 @@ describe('ngBind*', function() {
         element = $compile('<div ng-bind-html="html"></div>')($rootScope);
         $rootScope.html = $sce.trustAsHtml('<div onclick="">hello</div>');
         $rootScope.$digest();
-        expect(angular.lowercase(element.html())).toEqual('<div onclick="">hello</div>');
+        expect(lowercase(element.html())).toEqual('<div onclick="">hello</div>');
       }));
 
       it('should update html', inject(function($rootScope, $compile, $sce) {
         element = $compile('<div ng-bind-html="html"></div>')($rootScope);
         $rootScope.html = $sce.trustAsHtml('hello');
         $rootScope.$digest();
-        expect(angular.lowercase(element.html())).toEqual('hello');
+        expect(lowercase(element.html())).toEqual('hello');
         $rootScope.html = $sce.trustAsHtml('goodbye');
         $rootScope.$digest();
-        expect(angular.lowercase(element.html())).toEqual('goodbye');
+        expect(lowercase(element.html())).toEqual('goodbye');
       }));
 
       it('should not cause infinite recursion for trustAsHtml object watches',
@@ -243,7 +243,7 @@ describe('ngBind*', function() {
           return $sce.trustAsHtml('<div onclick="">hello</div>');
         };
         $rootScope.$digest();
-        expect(angular.lowercase(element.html())).toEqual('<div onclick="">hello</div>');
+        expect(lowercase(element.html())).toEqual('<div onclick="">hello</div>');
       }));
 
       it('should handle custom $sce objects', function() {
@@ -266,10 +266,10 @@ describe('ngBind*', function() {
           var html = 'hello';
           $rootScope.getHtml = function() { return $sce.trustAsHtml(html); };
           $rootScope.$digest();
-          expect(angular.lowercase(element.html())).toEqual('hello');
+          expect(lowercase(element.html())).toEqual('hello');
           html = 'goodbye';
           $rootScope.$digest();
-          expect(angular.lowercase(element.html())).toEqual('goodbye');
+          expect(lowercase(element.html())).toEqual('goodbye');
         });
       });
 
@@ -280,7 +280,7 @@ describe('ngBind*', function() {
           element = $compile('<div ng-bind-html="html"></div>')($rootScope);
           $rootScope.html = '<div onclick="">hello</div>';
           $rootScope.$digest();
-          expect(angular.lowercase(element.html())).toEqual('<div>hello</div>');
+          expect(lowercase(element.html())).toEqual('<div>hello</div>');
         }));
       });
     });
diff --git a/test/ngSanitize/directive/ngBindHtmlSpec.js b/test/ngSanitize/directive/ngBindHtmlSpec.js
index 6759c6d20fcd..74eb0f231baa 100644
--- a/test/ngSanitize/directive/ngBindHtmlSpec.js
+++ b/test/ngSanitize/directive/ngBindHtmlSpec.js
@@ -8,7 +8,7 @@ describe('ngBindHtml', function() {
     var element = $compile('<div ng-bind-html="html"></div>')($rootScope);
     $rootScope.html = '<div unknown>hello</div>';
     $rootScope.$digest();
-    expect(angular.lowercase(element.html())).toEqual('<div>hello</div>');
+    expect(lowercase(element.html())).toEqual('<div>hello</div>');
   }));
 
 
@@ -18,11 +18,11 @@ describe('ngBindHtml', function() {
     angular.forEach([null, undefined, ''], function(val) {
       $rootScope.html = 'some val';
       $rootScope.$digest();
-      expect(angular.lowercase(element.html())).toEqual('some val');
+      expect(lowercase(element.html())).toEqual('some val');
 
       $rootScope.html = val;
       $rootScope.$digest();
-      expect(angular.lowercase(element.html())).toEqual('');
+      expect(lowercase(element.html())).toEqual('');
     });
   }));
 });