diff --git a/src/python/blazingmq/dev/configurator/__init__.py b/src/python/blazingmq/dev/configurator/__init__.py
index a5508ccab..a82eb4783 100644
--- a/src/python/blazingmq/dev/configurator/__init__.py
+++ b/src/python/blazingmq/dev/configurator/__init__.py
@@ -227,6 +227,19 @@ def _add_domain(self, domain: "Domain") -> "Domain":
 
         return domain
 
+    def remove_domain(self, name: str) -> None:
+        """
+        Remove a domain from the Cluster's map and all the domain's maps.
+
+        The domain must exist in `Cluster.domains`. It can be missing from the
+        broker's domain maps.
+        """
+
+        del self.domains[name]
+
+        for node in self.nodes.values():
+            node.domains.pop(name, None)
+
 
 class Cluster(AbstractCluster):
     def domain(self, parameters: mqbconf.Domain) -> "Domain":