diff --git a/demo/collision.html b/demo/collision.html
index f1a30d4..3e1c62c 100644
--- a/demo/collision.html
+++ b/demo/collision.html
@@ -5,8 +5,6 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Shapes - Collision</title>
     <style>
-      @import url('../src/elements/main.css');
-
       * {
         box-sizing: border-box;
       }