We can be fairly sure the $time variable is set in the profiler view.

laravel/profiling/template.blade.php

@@ -61,9 +61,7 @@
 				@endif
 			</a>
 		</li>
-		@if (isset($time))
 		<li><a class="anbu-tab">Time <span class="anbu-count">{{ $time }}ms</span></a></li>
-		@endif
 		<li class="anbu-tab-right"><a id="anbu-hide" href="#">&#8614;</a></li>
 		<li class="anbu-tab-right"><a id="anbu-close" href="#">&times;</a></li>
 		<li class="anbu-tab-right"><a id="anbu-zoom" href="#">&#8645;</a></li>