Remove TODO
diff --git a/test/core/util/port_posix.c b/test/core/util/port_posix.c
index 726ee3b..b07df39 100644
--- a/test/core/util/port_posix.c
+++ b/test/core/util/port_posix.c
@@ -171,8 +171,6 @@
       continue;
     }
 
-    /* TODO(ctiller): consider caching this port in some structure, to avoid
-                      handing it out again */
     chose_port(port);
     return port;
   }