diff --git a/playground/samples/rt-if.code b/playground/samples/rt-if.code
index b1e0c13..48e82bc 100644
--- a/playground/samples/rt-if.code
+++ b/playground/samples/rt-if.code
@@ -1,9 +1,8 @@
 {
-    mixins: [React.addons.LinkedStateMixin],
     getInitialState: function () {
-        return {open:false};
+        return {open: false};
     },
     toggle: function() {
-        this.setState({open:!this.state.open});
+        this.setState({open: !this.state.open});
     }
 }
\ No newline at end of file