diff --git a/src/communicator/__init__.py b/src/communicator/__init__.py
index 788d7c6f..db79a6b2 100755
--- a/src/communicator/__init__.py
+++ b/src/communicator/__init__.py
@@ -98,19 +98,17 @@ class OnionrCommunicatorDaemon:
         add_onionr_thread(onlinepeers.clear_offline_peer, [self.kv], 58)
 
         add_onionr_thread(
-            housekeeping.clean_old_blocks, self.shared_state, 20, 1)
+            housekeeping.clean_old_blocks, [self.shared_state], 20, 1)
 
-        # Timer to discover new peers
-        OnionrCommunicatorTimers(
-            self, lookupadders.lookup_new_peer_transports_with_communicator,
-            60, requires_peer=True, my_args=[shared_state], max_threads=2)
+        # Discover new peers
+        add_onionr_thread(
+            lookupadders.lookup_new_peer_transports_with_communicator,
+            [shared_state], 60, 3)
 
         # Timer for adjusting which peers
         # we actively communicate to at any given time,
         # to avoid over-using peers
-        OnionrCommunicatorTimers(
-            self, cooldownpeer.cooldown_peer, 30,
-            my_args=[self], requires_peer=True)
+        add_onionr_thread(cooldownpeer.cooldown_peer, [self.shared_state], 30, 60)
 
         # Timer to read the upload queue and upload the entries to peers
         OnionrCommunicatorTimers(
diff --git a/src/communicatorutils/cooldownpeer.py b/src/communicatorutils/cooldownpeer.py
index 639d92aa..0e57db8b 100755
--- a/src/communicatorutils/cooldownpeer.py
+++ b/src/communicatorutils/cooldownpeer.py
@@ -25,10 +25,10 @@ if TYPE_CHECKING:
 """
 
 
-def cooldown_peer(comm_inst):
+def cooldown_peer(shared_state):
     """Randomly add an online peer to cooldown, so we can connect a new one."""
-    kv: "DeadSimpleKV" = comm_inst.shared_state.get_by_string("DeadSimpleKV")
-    config = comm_inst.config
+    kv: "DeadSimpleKV" = shared_state.get_by_string("DeadSimpleKV")
+    config = shared_state.get_by_string("OnionrCommunicatorDaemon").config
     online_peer_amount = len(kv.get('onlinePeers'))
     minTime = 300
     cooldown_time = 600
@@ -55,7 +55,6 @@ def cooldown_peer(comm_inst):
             except ValueError:
                 break
         else:
-            onlinepeers.remove_online_peer(comm_inst, to_cool)
+            onlinepeers.remove_online_peer(kv, to_cool)
             kv.get('cooldownPeer')[to_cool] = epoch.get_epoch()
 
-    comm_inst.decrementThreadCount('cooldown_peer')
diff --git a/src/communicatorutils/lookupadders.py b/src/communicatorutils/lookupadders.py
index 76d18953..788ffa12 100755
--- a/src/communicatorutils/lookupadders.py
+++ b/src/communicatorutils/lookupadders.py
@@ -63,5 +63,4 @@ def lookup_new_peer_transports_with_communicator(shared_state):
                 newPeers.remove(x)
             except ValueError:
                 pass
-        kv.get('newPeers').extend(newPeers)
-    shared_state.get_by_string("OnionrCommunicatorDaemon").decrementThreadCount('lookup_new_peer_transports_with_communicator')
+        kv.get('newPeers').extend(newPeers)
\ No newline at end of file
diff --git a/src/sneakernet/__init__.py b/src/sneakernet/__init__.py
index 0d6f8a98..9c78b568 100644
--- a/src/sneakernet/__init__.py
+++ b/src/sneakernet/__init__.py
@@ -45,9 +45,10 @@ class _Importer(FileSystemEventHandler):
         os.remove(event.src_path)
         try:
             import_block_from_data(block_data)
-        except(
+        except(  # noqa
                 onionrexceptions.DataExists,
-                onionrexceptions.BlockMetaEntryExists) as _:
+                onionrexceptions.BlockMetaEntryExists,
+                onionrexceptions.InvalidMetadata) as _:
             return
         if block_data_location in event.src_path:
             try: