diff --git a/charms/worker/k8s/src/charm.py b/charms/worker/k8s/src/charm.py
index 3f50fc76..d6305487 100755
--- a/charms/worker/k8s/src/charm.py
+++ b/charms/worker/k8s/src/charm.py
@@ -607,8 +607,7 @@ def _get_scrape_jobs(self):
     )
     def _update_kubernetes_version(self):
         """Update the unit Kubernetes version in the cluster relation."""
-        relation_name = "cluster"
-        if not (relation := self.model.get_relation(relation_name)):
+        if not (relation := self.model.get_relation("cluster")):
             assert False, "Missing cluster integration"  # nosec
         if version := snap_version("k8s"):
             relation.data[self.unit]["version"] = version
@@ -624,24 +623,21 @@ def _announce_kubernetes_version(self):
         """
         peer = self.model.get_relation("cluster")
         worker = self.model.get_relation("k8s-cluster")
-        if not all([peer, worker]):
-            assert False, "Missing cluster integration"
 
         version = snap_version("k8s")
         assert version, "k8s-snap is not installed"  # nosec
 
         for relation in (peer, worker):
+            assert relation, "Missing cluster integration"  # nosec
             units = (unit for unit in relation.units if unit.name != self.unit.name)
             for unit in units:
                 unit_version = relation.data[unit].get("version")
-                if not unit_version:
-                    assert False, f"Waiting for version from {unit.name}"
+                assert unit_version, f"Waiting for version from {unit.name}"  # nosec
                 if unit_version != version:
                     status.add(ops.BlockedStatus(f"Version mismatch with {unit.name}"))
                     assert False, "Version mismatch with cluster nodes"  # nosec
+            relation.data[self.app]["version"] = version
 
-        peer.data[self.app]["version"] = version
-        worker.data[self.app]["version"] = version
 
     def _get_proxy_env(self) -> Dict[str, str]:
         """Retrieve the Juju model config proxy values.
diff --git a/charms/worker/k8s/src/token_distributor.py b/charms/worker/k8s/src/token_distributor.py
index 367029aa..c476ccb5 100644
--- a/charms/worker/k8s/src/token_distributor.py
+++ b/charms/worker/k8s/src/token_distributor.py
@@ -300,6 +300,10 @@ def _revoke_juju_secret(self, relation: ops.Relation, unit: ops.Unit) -> None:
     def active_nodes(self, relation: ops.Relation):
         """Get nodes from application databag for given relation.
 
+        This method filters out entries in the application databag that are not
+        to the cluster units. It uses the regex pattern, which matches patterns
+        like k8s/0, k8s-worker/0, etc.
+
         Args:
             relation (ops.Relation): Which relation (cluster or k8s-cluster)