diff --git a/src/commands/use.spec.ts b/src/commands/use.spec.ts
deleted file mode 100644
index 880cd0796ac..00000000000
--- a/src/commands/use.spec.ts
+++ /dev/null
@@ -1,128 +0,0 @@
-import { expect } from "chai";
-import * as sinon from "sinon";
-import { RC } from "../rc";
-
-import { command } from "./use";
-import * as projects from "../management/projects";
-import * as studio from "../management/studio";
-import * as prompt from "../prompt";
-import * as utils from "../utils";
-import * as auth from "../requireAuth";
-import * as detect from "../detectProjectRoot";
-import * as rcModule from "../rc";
-import { FirebaseProjectMetadata } from "../types/project";
-
-describe("use command", () => {
-  let getProjectStub: sinon.SinonStub;
-  let makeActiveProjectStub: sinon.SinonStub;
-  let detectProjectRootStub: sinon.SinonStub;
-
-  beforeEach(() => {
-    getProjectStub = sinon.stub(projects, "getProject").resolves({
-      projectId: "my-project",
-      projectNumber: "123",
-      lifecycleState: "ACTIVE",
-      name: "projects/my-project",
-      createTime: "2026-04-23T00:00:00Z",
-      parent: { type: "organization", id: "123" },
-    } as projects.ProjectInfo);
-    sinon.stub(projects, "listFirebaseProjects").resolves([
-      {
-        name: "projects/my-project",
-        projectId: "my-project",
-        projectNumber: "123",
-      },
-    ] as FirebaseProjectMetadata[]);
-    sinon.stub(studio, "updateStudioFirebaseProject").resolves();
-    makeActiveProjectStub = sinon.stub(utils, "makeActiveProject").returns();
-    sinon.stub(prompt, "select").resolves("my-project");
-    sinon.stub(prompt, "input").resolves("staging");
-    sinon.stub(auth, "requireAuth").resolves();
-    detectProjectRootStub = sinon.stub(detect, "detectProjectRoot").returns("/path/to/project");
-    sinon
-      .stub(rcModule, "loadRC")
-      .callsFake((options: { [other: string]: any; cwd?: string }) => options.rc || new RC());
-  });
-
-  afterEach(() => {
-    sinon.restore();
-  });
-
-  it("should throw if not in a project root", async () => {
-    detectProjectRootStub.returns(undefined);
-    const options = { rc: new RC() };
-    await expect(command.runner()("my-project", options)).to.be.rejectedWith(
-      /must be run from a Firebase project directory/,
-    );
-  });
-
-  it("should set active project for existing alias", async () => {
-    const rc = new RC(undefined, { projects: { staging: "my-project" } });
-    const options = { rc, projectRoot: "/path/to/project" };
-
-    await command.runner()("staging", options);
-
-    expect(makeActiveProjectStub).to.have.been.calledWith("/path/to/project", "staging");
-  });
-
-  it("should set active project for project ID directly", async () => {
-    const rc = new RC();
-    const options = { rc, projectRoot: "/path/to/project" };
-
-    await command.runner()("my-project", options);
-
-    expect(makeActiveProjectStub).to.have.been.calledWith("/path/to/project", "my-project");
-  });
-
-  it("should throw if alias not found and not valid project ID", async () => {
-    const rc = new RC();
-    const options = { rc, projectRoot: "/path/to/project" };
-    getProjectStub.rejects(new Error("Not found"));
-
-    await expect(command.runner()("nonexistent", options)).to.be.rejectedWith(
-      /Invalid project selection/,
-    );
-  });
-
-  it("should unalias a project", async () => {
-    const rc = new RC(undefined, { projects: { staging: "my-project" } });
-    const options = { rc, projectRoot: "/path/to/project", unalias: "staging" };
-
-    await command.runner()(undefined, options);
-
-    expect(rc.hasProjectAlias("staging")).to.be.false;
-  });
-
-  it("should add a new alias interactively", async () => {
-    const rc = new RC();
-    const options = { rc, projectRoot: "/path/to/project", add: true, interactive: true };
-
-    await command.runner()(undefined, options);
-
-    expect(rc.resolveAlias("staging")).to.equal("my-project");
-    expect(makeActiveProjectStub).to.have.been.calledWith("/path/to/project", "staging");
-  });
-
-  it("should clear the active project", async () => {
-    const rc = new RC();
-    const options = { rc, projectRoot: "/path/to/project", clear: true, projectAlias: "staging" };
-
-    await command.runner()(undefined, options);
-
-    expect(makeActiveProjectStub).to.have.been.calledWith("/path/to/project", undefined);
-  });
-
-  it("should display generic use info if no arguments passed", async () => {
-    const rc = new RC(undefined, { projects: { staging: "my-project" } });
-    const options = {
-      rc,
-      projectRoot: "/path/to/project",
-      projectAlias: "staging",
-      project: "my-project",
-    };
-
-    const result = await command.runner()(undefined, options);
-
-    expect(result).to.equal("my-project");
-  });
-});