diff --git a/src/js/directives/common.js b/src/js/directives/common.js
index f858541..3eeccab 100644
--- a/src/js/directives/common.js
+++ b/src/js/directives/common.js
@@ -1,143 +1,139 @@
-define(function(require) {
-    'use strict';
+'use strict';
 
-    var angular = require('angular');
+var ngModule = angular.module('woDirectives', []);
 
-    var ngModule = angular.module('woDirectives', []);
+ngModule.directive('woTouch', function($parse) {
+    var className = 'wo-touch-active';
 
-    ngModule.directive('woTouch', function($parse) {
-        var className = 'wo-touch-active';
+    return function(scope, elm, attrs) {
+        var handler = $parse(attrs.woTouch);
 
-        return function(scope, elm, attrs) {
-            var handler = $parse(attrs.woTouch);
+        elm.on('touchstart', function() {
+            elm.addClass(className);
+        });
+        elm.on('touchleave touchcancel touchmove touchend', function() {
+            elm.removeClass(className);
+        });
 
-            elm.on('touchstart', function() {
-                elm.addClass(className);
-            });
-            elm.on('touchleave touchcancel touchmove touchend', function() {
-                elm.removeClass(className);
-            });
-
-            elm.on('click', function(event) {
-                elm.removeClass(className);
-                scope.$apply(function() {
-                    handler(scope, {
-                        $event: event
-                    });
+        elm.on('click', function(event) {
+            elm.removeClass(className);
+            scope.$apply(function() {
+                handler(scope, {
+                    $event: event
                 });
             });
-        };
-    });
+        });
+    };
+});
 
-    ngModule.directive('woTooltip', function($document, $timeout) {
-        return function(scope, elm, attrs) {
-            var selector = attrs.woTooltip;
-            var tooltip = $document.find(selector);
+ngModule.directive('woTooltip', function($document, $timeout) {
+    return function(scope, elm, attrs) {
+        var selector = attrs.woTooltip;
+        var tooltip = $document.find(selector);
 
-            elm.on('mouseover', function() {
-                // Compute tooltip position
-                var offsetElm = elm.offset();
-                var offsetTooltipParent = tooltip.offsetParent().offset();
+        elm.on('mouseover', function() {
+            // Compute tooltip position
+            var offsetElm = elm.offset();
+            var offsetTooltipParent = tooltip.offsetParent().offset();
 
-                // Set tooltip position
-                tooltip[0].style.top = (offsetElm.top - offsetTooltipParent.top +
-                    elm[0].offsetHeight / 2 - tooltip[0].offsetHeight / 2) + 'px';
-                tooltip[0].style.left = (offsetElm.left - offsetTooltipParent.left +
-                    elm[0].offsetWidth) + 'px';
+            // Set tooltip position
+            tooltip[0].style.top = (offsetElm.top - offsetTooltipParent.top +
+                elm[0].offsetHeight / 2 - tooltip[0].offsetHeight / 2) + 'px';
+            tooltip[0].style.left = (offsetElm.left - offsetTooltipParent.left +
+                elm[0].offsetWidth) + 'px';
 
-                // Wait till browser repaint
-                $timeout(function() {
-                    tooltip.addClass('tooltip--show');
-                });
+            // Wait till browser repaint
+            $timeout(function() {
+                tooltip.addClass('tooltip--show');
             });
+        });
 
-            elm.on('mouseout', function() {
-                tooltip.removeClass('tooltip--show');
-                tooltip[0].style.top = '-9999px';
-                tooltip[0].style.left = '-9999px';
-            });
-        };
-    });
+        elm.on('mouseout', function() {
+            tooltip.removeClass('tooltip--show');
+            tooltip[0].style.top = '-9999px';
+            tooltip[0].style.left = '-9999px';
+        });
+    };
+});
 
-    ngModule.directive('woDropdown', function($document, $timeout) {
-        return function(scope, elm, attrs) {
-            var selector = attrs.woDropdown;
-            var position = (attrs.woDropdownPosition || '').split(' ');
-            var dropdown = $document.find(selector);
+ngModule.directive('woDropdown', function($document, $timeout) {
+    return function(scope, elm, attrs) {
+        var selector = attrs.woDropdown;
+        var position = (attrs.woDropdownPosition || '').split(' ');
+        var dropdown = $document.find(selector);
 
-            function appear() {
-                // Compute dropdown position
-                var offsetElm = elm.offset();
-                var offsetDropdownParent = dropdown.offsetParent().offset();
+        function appear() {
+            // Compute dropdown position
+            var offsetElm = elm.offset();
+            var offsetDropdownParent = dropdown.offsetParent().offset();
 
-                // Set dropdown position
-                switch(position[1]) {
-                case 'up':
-                    dropdown[0].style.top = (offsetElm.top - offsetDropdownParent.top -
-                        dropdown[0].offsetHeight - 3) + 'px';
-                    break;
-                default:
-                    dropdown[0].style.top = (offsetElm.top - offsetDropdownParent.top +
-                        elm[0].offsetHeight + 3) + 'px';
-                }
-
-                switch(position[0]) {
-                case 'center':
-                    dropdown[0].style.left = (offsetElm.left - offsetDropdownParent.left +
-                        elm[0].offsetWidth / 2 - dropdown[0].offsetWidth / 2) + 'px';
-                    break;
-                case 'right':
-                    dropdown[0].style.left = (offsetElm.left - offsetDropdownParent.left +
-                        elm[0].offsetWidth - dropdown[0].offsetWidth) + 'px';
-                    break;
-                default:
-                    dropdown[0].style.left = (offsetElm.left - offsetDropdownParent.left) + 'px';
-                }
-
-                // Wait till browser repaint
-                $timeout(function() {
-                    dropdown.addClass('dropdown--show');
-                });
-
-                // class on element to change style if drowdown is visible
-                elm.addClass('wo-dropdown-active');
+            // Set dropdown position
+            switch(position[1]) {
+            case 'up':
+                dropdown[0].style.top = (offsetElm.top - offsetDropdownParent.top -
+                    dropdown[0].offsetHeight - 3) + 'px';
+                break;
+            default:
+                dropdown[0].style.top = (offsetElm.top - offsetDropdownParent.top +
+                    elm[0].offsetHeight + 3) + 'px';
             }
 
-            function disappear() {
-                dropdown.removeClass('dropdown--show');
-                dropdown[0].style.top = '-9999px';
-                dropdown[0].style.left = '-9999px';
-
-                elm.removeClass('wo-dropdown-active');
+            switch(position[0]) {
+            case 'center':
+                dropdown[0].style.left = (offsetElm.left - offsetDropdownParent.left +
+                    elm[0].offsetWidth / 2 - dropdown[0].offsetWidth / 2) + 'px';
+                break;
+            case 'right':
+                dropdown[0].style.left = (offsetElm.left - offsetDropdownParent.left +
+                    elm[0].offsetWidth - dropdown[0].offsetWidth) + 'px';
+                break;
+            default:
+                dropdown[0].style.left = (offsetElm.left - offsetDropdownParent.left) + 'px';
             }
 
-            function toggle() {
-                if(dropdown.hasClass('dropdown--show')) {
-                    disappear();
-                }
-                else {
-                    appear();
-                }
+            // Wait till browser repaint
+            $timeout(function() {
+                dropdown.addClass('dropdown--show');
+            });
+
+            // class on element to change style if drowdown is visible
+            elm.addClass('wo-dropdown-active');
+        }
+
+        function disappear() {
+            dropdown.removeClass('dropdown--show');
+            dropdown[0].style.top = '-9999px';
+            dropdown[0].style.left = '-9999px';
+
+            elm.removeClass('wo-dropdown-active');
+        }
+
+        function toggle() {
+            if(dropdown.hasClass('dropdown--show')) {
+                disappear();
             }
+            else {
+                appear();
+            }
+        }
 
-            elm.on('touchstart click', toggle);
+        elm.on('touchstart click', toggle);
 
-            // close if user clicks outside of dropdown and elm
-            $document.on('touchstart.woDropdown click.woDropdown', function(e) {
-                var t = angular.element(e.target);
-                if(dropdown.hasClass('dropdown--show') &&
-                    !t.closest(dropdown).length &&
-                    !t.closest(elm).length) {
-                    disappear();
-                }
-            });
+        // close if user clicks outside of dropdown and elm
+        $document.on('touchstart.woDropdown click.woDropdown', function(e) {
+            var t = angular.element(e.target);
+            if(dropdown.hasClass('dropdown--show') &&
+                !t.closest(dropdown).length &&
+                !t.closest(elm).length) {
+                disappear();
+            }
+        });
 
-            // remove event listener on document
-            scope.$on('$destroy', function() {
-                $document.off('touchstart.woDropdown click.woDropdown');
-            });
-        };
-    });
+        // remove event listener on document
+        scope.$on('$destroy', function() {
+            $document.off('touchstart.woDropdown click.woDropdown');
+        });
+    };
+});
 
-    return ngModule;
-});
\ No newline at end of file
+module.exports = ngModule;
\ No newline at end of file