diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py
index d3c2bc7bfb..d6cf88c350 100644
--- a/synapse/storage/_base.py
+++ b/synapse/storage/_base.py
@@ -40,7 +40,6 @@ transaction_logger = logging.getLogger("synapse.storage.txn")
 
 # TODO(paul):
 #  * more generic key management
-#  * export monitoring stats
 #  * consider other eviction strategies - LRU?
 def cached(max_entries=1000):
     """ A method decorator that applies a memoizing cache around the function.
diff --git a/synapse/util/lrucache.py b/synapse/util/lrucache.py
index f115f50e50..65d5792907 100644
--- a/synapse/util/lrucache.py
+++ b/synapse/util/lrucache.py
@@ -16,7 +16,6 @@
 
 class LruCache(object):
     """Least-recently-used cache."""
-    # TODO(mjark) Add hit/miss counters
     # TODO(mjark) Add mutex for linked list for thread safety.
     def __init__(self, max_size):
         cache = {}