diff --git a/apps/web/src/components/chat/ComposerBannerStack.browser.test.tsx b/apps/web/src/components/chat/ComposerBannerStack.browser.test.tsx
index 78b68cb5938cb..b18641811b694 100644
--- a/apps/web/src/components/chat/ComposerBannerStack.browser.test.tsx
+++ b/apps/web/src/components/chat/ComposerBannerStack.browser.test.tsx
@@ -12,7 +12,6 @@ import {
   NoticeText,
   type ComposerBannerStackItem,
 } from "./ComposerBannerStack";
-import { ComposerSurface } from "./ComposerSurface";
 
 function notice(title: string, group?: ComposerBannerStackItem["group"]): ComposerBannerStackItem {
   return { id: title, variant: "default", icon: <InfoIcon />, title, ...(group ? { group } : {}) };
@@ -31,30 +30,6 @@ it("puts machine notices first, whatever order the notices arrive in", async ()
   await expect.element(screen.getByText("Branch changed", { exact: true })).toBeVisible();
 });
 
-it("keeps the tray's top edge without leaving an empty notice region", async () => {
-  await using screen = await render(
-    <ComposerSurface.Shell data-testid="tray">
-      <ComposerBanner.Dock data-testid="notices">
-        <ComposerBannerStack items={[]} />
-      </ComposerBanner.Dock>
-      <ComposerSurface.Main data-testid="composer" style={{ height: 48 }}>
-        Message
-      </ComposerSurface.Main>
-      <ComposerSurface.ContextStrip>Branch</ComposerSurface.ContextStrip>
-    </ComposerSurface.Shell>,
-  );
-
-  const tray = screen.getByTestId("tray").element();
-  const surface = getComputedStyle(tray);
-  const rim = getComputedStyle(tray, "::after");
-  expect(rim.borderTopWidth).toBe("1px");
-  expect(surface.borderTopLeftRadius).not.toBe("0px");
-  expect(screen.getByTestId("notices").element().getBoundingClientRect().height).toBe(0);
-  expect(screen.getByTestId("composer").element().getBoundingClientRect().top).toBe(
-    tray.getBoundingClientRect().top,
-  );
-});
-
 function noticeRow(width: string, children: ReactNode) {
   return (
     <div data-testid="row" className="flex items-center gap-1.5" style={{ width }}>
diff --git a/apps/web/src/components/chat/MessagesTimeline.browser.test.tsx b/apps/web/src/components/chat/MessagesTimeline.browser.test.tsx
index 098c63505f9b6..89fca29681558 100644
--- a/apps/web/src/components/chat/MessagesTimeline.browser.test.tsx
+++ b/apps/web/src/components/chat/MessagesTimeline.browser.test.tsx
@@ -63,7 +63,6 @@ import {
   decodeComposerContextFragment,
 } from "@t3tools/shared/composerContextClipboard";
 import { collectComposerContextReferences } from "@t3tools/shared/composerContextReferences";
-import { useRightPanelStore } from "../../rightPanelStore";
 
 const environmentQuery = vi.hoisted(() => ({
   error: "Pull request not found" as string | null,
@@ -1023,35 +1022,6 @@ describe("MessagesTimeline messages", () => {
     expect(turns).toEqual(turns.toSorted((a, b) => a - b));
   });
 
-  it("opens standalone skill details and its instructions", async () => {
-    setup();
-    const threadRef = {
-      environmentId: ENVIRONMENT_ID,
-      threadId: ThreadId.make("thread-skill"),
-    };
-    await using screen = await renderTimeline([message("$review")], {
-      routeThreadKey: "environment-local:thread-skill",
-      skills: [
-        {
-          name: "review",
-          displayName: "Review",
-          description: "Reviews the current branch.",
-          path: "/skills/review/SKILL.md",
-          enabled: true,
-        },
-      ],
-    });
-    using openFile = vi
-      .spyOn(useRightPanelStore.getState(), "openFile")
-      .mockImplementation(() => {});
-
-    await userEvent.click(screen.getByRole("button", { name: "Skill Review. Show details" }));
-    await expect.element(page.getByText("Reviews the current branch.")).toBeVisible();
-    await userEvent.click(page.getByRole("button", { name: "View instructions" }));
-
-    expect(openFile).toHaveBeenCalledExactlyOnceWith(threadRef, "/skills/review/SKILL.md");
-  });
-
   it("preserves XML-like tags and comparisons in user messages as text", async () => {
     const source = [
       'Without reading a file, do you have <global-agent-instructions scope="workspace">',