diff --git a/extensions/mattermost/channel-plugin-api.test.ts b/extensions/mattermost/channel-plugin-api.test.ts
deleted file mode 100644
index 13c525778e1..00000000000
--- a/extensions/mattermost/channel-plugin-api.test.ts
+++ /dev/null
@@ -1,11 +0,0 @@
-import { describe, expect, it } from "vitest";
-
-describe("mattermost bundled api seam", () => {
-  it("loads the narrow channel plugin api", async () => {
-    const mod = await import("./channel-plugin-api.js");
-
-    expect(Object.keys(mod).toSorted()).toEqual(["mattermostPlugin", "mattermostSetupPlugin"]);
-    expect(mod.mattermostPlugin.id).toBe("mattermost");
-    expect(mod.mattermostSetupPlugin.id).toBe("mattermost");
-  });
-});