diff --git a/frontend/app/components/platform/ScriptExplorer.tsx b/frontend/app/components/platform/ScriptExplorer.tsx
index 211b848..bda8c0b 100644
--- a/frontend/app/components/platform/ScriptExplorer.tsx
+++ b/frontend/app/components/platform/ScriptExplorer.tsx
@@ -1,8 +1,8 @@
-import { type ChangeEvent, type MouseEvent as ReactMouseEvent, type RefObject, useEffect, useMemo, useState } from "react";
+import { type ChangeEvent, type MouseEvent as ReactMouseEvent, type RefObject, useMemo } from "react";
 import Icon from "../common/Icon";
 import { WorkspaceTreeGroup } from "~/features/platform/WorkspaceTree";
-import type { ScriptItem, WorkspaceDirectory, WorkspaceMember } from "~/services/api";
-import { useApi, useAuth, type AuthUser } from "~/context/AuthContext";
+import type { ScriptItem, WorkspaceDirectory } from "~/services/api";
+import { type AuthUser } from "~/context/AuthContext";
 
 type ScriptExplorerProps = {
   scripts: ScriptItem[];
@@ -50,37 +50,6 @@ export function ScriptExplorer({
   uploadInputRef,
   onHandleUpload,
 }: ScriptExplorerProps) {
-  const api = useApi();
-  const { currentWorkspace } = useAuth();
-  const [members, setMembers] = useState<WorkspaceMember[]>([]);
-
-  useEffect(() => {
-    if (!currentWorkspace) {
-      setMembers([]);
-      return;
-    }
-    let cancelled = false;
-    api
-      .listWorkspaceMembers(currentWorkspace.workspace_id)
-      .then((list) => {
-        if (!cancelled) setMembers(list);
-      })
-      .catch(() => {
-        if (!cancelled) setMembers([]);
-      });
-    return () => {
-      cancelled = true;
-    };
-  }, [api, currentWorkspace]);
-
-  const displayNameByUserId = useMemo(() => {
-    const map = new Map<string, string>();
-    for (const m of members) {
-      map.set(m.user_id, m.display_name || m.username || m.user_id);
-    }
-    return map;
-  }, [members]);
-
   const memberScriptGroups = useMemo(() => {
     const visibleScripts =
       user?.is_system_admin === true
@@ -106,7 +75,7 @@ export function ScriptExplorer({
     }[] = [];
     for (const [ownerUserId, groupScripts] of byOwner.entries()) {
       const displayName =
-        displayNameByUserId.get(ownerUserId) ??
+        groupScripts[0]?.owner_display_name ??
         (ownerUserId === user?.user_id ? user?.display_name : null) ??
         `${ownerUserId.slice(-6)}…`;
       const groupUser =
@@ -139,7 +108,7 @@ export function ScriptExplorer({
     });
 
     return groups;
-  }, [filteredScripts, user, displayNameByUserId]);
+  }, [filteredScripts, user]);
 
   return (
     <aside className="explorer">
diff --git a/frontend/app/services/api.ts b/frontend/app/services/api.ts
index 9396b01..b4db2f9 100644
--- a/frontend/app/services/api.ts
+++ b/frontend/app/services/api.ts
@@ -173,6 +173,7 @@ export type ScriptItem = {
   workspace_id: string;
   current_object_id: string;
   owner_user_id: string;
+  owner_display_name: string | null;
   script_name: string;
   script_type: ScriptType;
   visibility: Visibility;