diff --git a/index.html b/index.html
index 0e90838..4d8b69b 100644
--- a/index.html
+++ b/index.html
@@ -22,7 +22,6 @@
 		}
 	</style>
 
-    <script src="//ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
 	<script type="text/javascript" src="lib/impact/impact.js"></script>
 	<script type="text/javascript" src="lib/game/main.js"></script>
 </head>
diff --git a/lib/plugins/component.js b/lib/plugins/component.js
index 82517ed..231e830 100644
--- a/lib/plugins/component.js
+++ b/lib/plugins/component.js
@@ -31,6 +31,17 @@ ig.module('plugins.component')
              * Will be called at each Entity's draw call
              */
             draw: function () {
+            },
+
+            _extend: function(obj) {
+                for (var key in obj) {
+                    if (key in this) {
+                        this[key] = obj[key];
+                    }
+                    else {
+                        console.error('You cannot dynamically add properties to components, only modify them. Check your addComponent() method.')
+                    }
+                }
             }
         });
 
@@ -48,7 +59,7 @@ ig.module('plugins.component')
              * @returns {Component}
              */
             addComponent: function (comp, settings) {
-                $.extend(comp, settings);
+                comp._extend(settings);
                 comp.delegate = this;
                 this.components.push(comp);
                 comp.added();