diff --git a/CHANGELOG.md b/CHANGELOG.md
index b0281f6..bb713af 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,7 +10,7 @@ Release history focused on **features, settings, default behavior, compatibility
 
 ## 0.34.8
 
-- Docker vhosts now use container names by default instead of image/port names. Existing automatic hostnames are updated; manual hostnames and aliases stay unchanged. Docker Agent updated to 1.0.1.
+- Docker vhosts now use container names by default instead of image/port names. Existing saved hostnames and manually configured aliases remain unchanged. Docker Agent updated to 1.0.1.
 
 ## 0.34.7
 
diff --git a/src/admin/web/docker.js b/src/admin/web/docker.js
index 8194ae3..aff1a42 100644
--- a/src/admin/web/docker.js
+++ b/src/admin/web/docker.js
@@ -96,19 +96,6 @@
     box.append(inputNode); field.append(box); field.title = t("dockerAliasesHelp"); inputNode.title = t("dockerAliasesHelp"); for (const value of initial) { try { add(value, false); } catch { } }
     return { node: field, read() { if (inputNode.value.trim()) consume(inputNode.value); return [...values]; }, count: () => values.length, input: inputNode };
   }
-  function legacyHostname(assignment) { return assignment?.hostname || assignment?.subdomain || ""; }
-  function legacyDockerName(service) {
-    const key = service?.key || "";
-    const compose = /^compose:([^/]+)\/([^/]+)\/([^:]+):(\d+)\/tcp$/.exec(key);
-    const container = /^container:(.*):(\d+)\/tcp$/.exec(key);
-    if (!compose && !container) return null;
-    const base = compose ? `${compose[1]}-${compose[2]}${compose[3] === "1" ? "" : `-${compose[3]}`}-${compose[4]}` : `${container[1]}-${container[2]}`;
-    return base.toLowerCase().replace(/[^a-z0-9]+/g, "-").replace(/^-|-$/g, "").slice(0, 48).replace(/-$/, "");
-  }
-  function displayHostname(assignment, service) {
-    const host = legacyHostname(assignment);
-    return service && host === legacyDockerName(service) ? service.technical_name : (host || service?.technical_name || "");
-  }
   function serviceBindings(service) {
     if (!service) return [];
     if (Array.isArray(service.bindings) && service.bindings.length) return service.bindings;
@@ -396,7 +383,7 @@
     const key = assignment?.service_key || service.key, row = el("article", undefined, "docker-service-row"); row.dataset.key = key; row.dataset.viewKey = viewKey(agent.id, key);
     const runtime = runtimeFor(agent.id, key), member = runtime?.members?.[0], technicalName = service?.technical_name || assignment?.service_key || "";
     row.dockerSort = {
-      service: technicalName.toLowerCase(), hostname: String(displayHostname(assignment, service) || technicalName).toLowerCase(),
+      service: technicalName.toLowerCase(), hostname: String(assignment?.hostname || service?.technical_name || "" || technicalName).toLowerCase(),
       status: stale ? 4 : assignment?.enabled === false || !assignment ? 3 : member?.status === "up" ? 0 : member?.status === "down" ? 1 : 2,
       backend: String(assignment?.target_ip || agent.default_target_ip || inventory?.public_ip || "").toLowerCase(), scheme: String(assignment?.scheme || "http"), published: assignment && assignment.enabled !== false ? 0 : 1,
     };
@@ -423,12 +410,12 @@
       liveLogs.disabled = !publish.checked || !poolRoutes.some(item => item.agent_id === agent.id && item.service_key === key && item.pool_id);
       publish.setAttribute("aria-checked", String(publish.checked));
     };
-    syncOpenActions(displayHostname(assignment, service));
+    syncOpenActions(assignment?.hostname || service?.technical_name || "");
     const quickActions = el("div", undefined, "docker-service-quick-actions"); quickActions.append(openApp, liveLogs);
     const headActions = el("div", undefined, "docker-service-head-actions"); headActions.append(runtimeSummary(runtime, assignment, stale), quickActions, visibility); top.append(publishLabel, meta, headActions); row.append(top);
 
     const editor = el("details", undefined, "docker-service-editor"), editorSummary = el("summary"), editorTitle = el("span", t("dockerConfigureService")), editorHint = el("small", "", "fine docker-config-hint"); editorSummary.append(editorTitle, editorHint); editor.append(editorSummary);
-    const route = el("div", undefined, "docker-route-grid"), host = input(displayHostname(assignment, service), "text", "docker-hostname"); host.maxLength = 253; host.placeholder = service?.technical_name || "app1";
+    const route = el("div", undefined, "docker-route-grid"), host = input(assignment?.hostname || service?.technical_name || "", "text", "docker-hostname"); host.maxLength = 253; host.placeholder = service?.technical_name || "app1";
     row.dockerSyncActions = () => syncOpenActions(host.value);
     let aliases; const aliasChanged = () => { updateHint?.(); row.dispatchEvent(new Event("input", { bubbles: true })); }; aliases = aliasEditor(assignment?.aliases || [], aliasChanged); row._readAliases = aliases.read;
     const target = el("select", undefined, "docker-target-ip"), auto = el("option", agent.default_target_ip ? `${t("dockerBackendIpAuto")} (${agent.default_target_ip})` : t("dockerBackendIpAuto")); auto.value = ""; target.append(auto); for (const [ip, label] of targetOptions(inventory, service, assignment, agent)) { const option = el("option", label); option.value = ip; target.append(option); } target.value = assignment?.target_ip || "";
diff --git a/src/docker/reconcile.rs b/src/docker/reconcile.rs
index 8b539ae..42bb26f 100644
--- a/src/docker/reconcile.rs
+++ b/src/docker/reconcile.rs
@@ -55,50 +55,6 @@ pub(crate) fn generated_id(agent_id: &str, service_key: &str) -> String {
     format!("docker-{readable}-{suffix}")
 }
 
-fn legacy_docker_name(service: &Service) -> Option<String> {
-    let (base, port) = if let Some(rest) = service.key.strip_prefix("compose:") {
-        let (path, port) = rest.rsplit_once(':')?;
-        let mut parts = path.split('/');
-        let project = parts.next()?;
-        let app = parts.next()?;
-        let replica = parts.next()?;
-        if parts.next().is_some() { return None; }
-        let mut base = format!("{project}-{app}");
-        if replica != "1" { base.push('-'); base.push_str(replica); }
-        (base, port)
-    } else {
-        let rest = service.key.strip_prefix("container:")?;
-        let (name, port) = rest.rsplit_once(':')?;
-        (name.to_owned(), port)
-    };
-    let (port, protocol) = port.split_once('/')?;
-    if protocol != "tcp" { return None; }
-    let source = format!("{base}-{port}").to_ascii_lowercase();
-    let mut name = String::new();
-    let mut dash = false;
-    for ch in source.chars() {
-        if ch.is_ascii_lowercase() || ch.is_ascii_digit() {
-            name.push(ch);
-            dash = false;
-        } else if !name.is_empty() && !dash {
-            name.push('-');
-            dash = true;
-        }
-    }
-    let name = name.trim_matches('-');
-    Some(name.chars().take(48).collect::<String>().trim_matches('-').to_owned())
-}
-
-fn effective_assignment(assignment: &Assignment, inventory: Option<&Inventory>) -> Assignment {
-    let mut result = assignment.clone();
-    if let Some(service) = inventory.and_then(|inventory| inventory.services.iter().find(|service| service.key == assignment.service_key)) {
-        if legacy_docker_name(service).as_deref() == Some(assignment.hostname.as_str()) {
-            result.hostname = service.technical_name.clone();
-        }
-    }
-    result
-}
-
 pub fn effective_config(
     mut desired: crate::config::Config,
     observed: &BTreeMap<String, Observation>,
@@ -117,7 +73,6 @@ pub fn effective_config(
             .iter()
             .filter(|assignment| assignment.enabled)
         {
-            let assignment = effective_assignment(assignment, inventory);
             let hosts = assignment_hosts(&assignment, &agent.base_domain)?;
             let target = inventory
                 .and_then(|inventory| {