diff --git a/src/commands/cleanup-utils.test.ts b/src/commands/cleanup-utils.test.ts
index bdb5bd836ad..894b6507681 100644
--- a/src/commands/cleanup-utils.test.ts
+++ b/src/commands/cleanup-utils.test.ts
@@ -1,13 +1,13 @@
 import path from "node:path";
 import { describe, expect, it, test, vi } from "vitest";
 import type { OpenClawConfig } from "../config/config.js";
+import { applyAgentDefaultPrimaryModel } from "../plugins/provider-model-primary.js";
 import type { RuntimeEnv } from "../runtime.js";
 import {
   buildCleanupPlan,
   removeStateAndLinkedPaths,
   removeWorkspaceDirs,
 } from "./cleanup-utils.js";
-import { applyAgentDefaultPrimaryModel } from "./model-default.js";
 
 describe("buildCleanupPlan", () => {
   test("resolves inside-state flags and workspace dirs", () => {
diff --git a/src/commands/model-default.ts b/src/commands/model-default.ts
deleted file mode 100644
index d70e5208f3b..00000000000
--- a/src/commands/model-default.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-export {
-  applyAgentDefaultPrimaryModel,
-  resolvePrimaryModel,
-} from "../plugins/provider-model-primary.js";
diff --git a/src/commands/openai-model-default.test.ts b/src/commands/openai-model-default.test.ts
index 95ecb70897f..612bf52f81e 100644
--- a/src/commands/openai-model-default.test.ts
+++ b/src/commands/openai-model-default.test.ts
@@ -1,11 +1,11 @@
 import { describe, expect, it, vi } from "vitest";
 import type { OpenClawConfig } from "../config/config.js";
-import type { WizardPrompter } from "../wizard/prompts.js";
-import { applyDefaultModelChoice } from "./auth-choice.default-model.js";
 import {
   applyOpencodeZenModelDefault,
   OPENCODE_ZEN_DEFAULT_MODEL,
-} from "./opencode-zen-model-default.js";
+} from "../plugins/provider-model-defaults.js";
+import type { WizardPrompter } from "../wizard/prompts.js";
+import { applyDefaultModelChoice } from "./auth-choice.default-model.js";
 
 function makePrompter(): WizardPrompter {
   return {
diff --git a/src/commands/opencode-go-model-default.ts b/src/commands/opencode-go-model-default.ts
deleted file mode 100644
index c87816456c3..00000000000
--- a/src/commands/opencode-go-model-default.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-export {
-  applyOpencodeGoModelDefault,
-  OPENCODE_GO_DEFAULT_MODEL_REF,
-} from "../plugins/provider-model-defaults.js";
diff --git a/src/commands/opencode-zen-model-default.ts b/src/commands/opencode-zen-model-default.ts
deleted file mode 100644
index 0d874241076..00000000000
--- a/src/commands/opencode-zen-model-default.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-export {
-  applyOpencodeZenModelDefault,
-  OPENCODE_ZEN_DEFAULT_MODEL,
-} from "../plugins/provider-model-defaults.js";
diff --git a/src/node-host/config.ts b/src/node-host/config.ts
index cec36be74ff..813c3846036 100644
--- a/src/node-host/config.ts
+++ b/src/node-host/config.ts
@@ -21,7 +21,7 @@ export type NodeHostConfig = {
 
 const NODE_HOST_FILE = "node.json";
 
-export function resolveNodeHostConfigPath(): string {
+function resolveNodeHostConfigPath(): string {
   return path.join(resolveStateDir(), NODE_HOST_FILE);
 }
 
diff --git a/src/param-key.ts b/src/param-key.ts
index 9b86eccfc1b..8d62d9a2c9f 100644
--- a/src/param-key.ts
+++ b/src/param-key.ts
@@ -1,4 +1,4 @@
-export function toSnakeCaseKey(key: string): string {
+function toSnakeCaseKey(key: string): string {
   return key
     .replace(/([A-Z]+)([A-Z][a-z])/g, "$1_$2")
     .replace(/([a-z0-9])([A-Z])/g, "$1_$2")
diff --git a/src/plugin-activation-boundary.test.ts b/src/plugin-activation-boundary.test.ts
index 10b7ac9afb7..57233fcf9f0 100644
--- a/src/plugin-activation-boundary.test.ts
+++ b/src/plugin-activation-boundary.test.ts
@@ -50,8 +50,8 @@ describe("plugin activation boundary", () => {
   function importAmbientModules() {
     ambientImportsPromise ??= Promise.all([
       import("./commands/onboard-custom.js"),
-      import("./commands/opencode-go-model-default.js"),
-      import("./commands/opencode-zen-model-default.js"),
+      import("./plugins/provider-model-defaults.js"),
+      import("./plugins/provider-model-primary.js"),
     ]).then(() => undefined);
     return ambientImportsPromise;
   }
diff --git a/src/runtime.ts b/src/runtime.ts
index 0b6b16bd41d..76f32123c0d 100644
--- a/src/runtime.ts
+++ b/src/runtime.ts
@@ -103,14 +103,6 @@ export function createNonExitingRuntime(): OutputRuntimeEnv {
   };
 }
 
-export function writeRuntimeStdout(runtime: RuntimeEnv | OutputRuntimeEnv, value: string): void {
-  if (hasRuntimeOutputWriter(runtime)) {
-    runtime.writeStdout(value);
-    return;
-  }
-  runtime.log(value);
-}
-
 export function writeRuntimeJson(
   runtime: RuntimeEnv | OutputRuntimeEnv,
   value: unknown,
diff --git a/src/terminal/links.ts b/src/terminal/links.ts
index 58033f47592..f65ad959019 100644
--- a/src/terminal/links.ts
+++ b/src/terminal/links.ts
@@ -1,11 +1,9 @@
 import { formatTerminalLink } from "./terminal-link.js";
 
-export function resolveDocsRoot(): string {
+function resolveDocsRoot(): string {
   return "https://docs.openclaw.ai";
 }
 
-export const DOCS_ROOT = resolveDocsRoot();
-
 export function formatDocsLink(
   path: string,
   label?: string,
@@ -21,10 +19,3 @@ export function formatDocsLink(
     force: opts?.force,
   });
 }
-
-export function formatDocsRootLink(label?: string): string {
-  const docsRoot = resolveDocsRoot();
-  return formatTerminalLink(label ?? docsRoot, docsRoot, {
-    fallback: docsRoot,
-  });
-}
diff --git a/src/tui/components/selectors.ts b/src/tui/components/selectors.ts
index 46073fbcaa1..d64430a341b 100644
--- a/src/tui/components/selectors.ts
+++ b/src/tui/components/selectors.ts
@@ -1,17 +1,12 @@
-import { type SelectItem, SelectList, type SettingItem, SettingsList } from "@mariozechner/pi-tui";
+import { type SelectItem, type SettingItem, SettingsList } from "@mariozechner/pi-tui";
 import {
   filterableSelectListTheme,
   searchableSelectListTheme,
-  selectListTheme,
   settingsListTheme,
 } from "../theme/theme.js";
 import { FilterableSelectList, type FilterableSelectItem } from "./filterable-select-list.js";
 import { SearchableSelectList } from "./searchable-select-list.js";
 
-export function createSelectList(items: SelectItem[], maxVisible = 7) {
-  return new SelectList(items, maxVisible, selectListTheme);
-}
-
 export function createSearchableSelectList(items: SelectItem[], maxVisible = 7) {
   return new SearchableSelectList(items, maxVisible, searchableSelectListTheme);
 }
diff --git a/ui/src/ui/app-render.helpers.ts b/ui/src/ui/app-render.helpers.ts
index 8a66aa4c2a1..7205db64fa1 100644
--- a/ui/src/ui/app-render.helpers.ts
+++ b/ui/src/ui/app-render.helpers.ts
@@ -16,8 +16,7 @@ import { loadSessions } from "./controllers/sessions.ts";
 import { icons } from "./icons.ts";
 import { iconForTab, pathForTab, titleForTab, type Tab } from "./navigation.ts";
 import { parseAgentSessionKey } from "./session-key.ts";
-import type { ThemeTransitionContext } from "./theme-transition.ts";
-import type { ThemeMode, ThemeName } from "./theme.ts";
+import type { ThemeMode } from "./theme.ts";
 import {
   listThinkingLevelLabels,
   normalizeThinkLevel,
@@ -1088,13 +1087,6 @@ function resolveSessionScopedOptionLabel(
   return base;
 }
 
-type ThemeOption = { id: ThemeName; label: string; icon: string };
-const THEME_OPTIONS: ThemeOption[] = [
-  { id: "claw", label: "Claw", icon: "🦀" },
-  { id: "knot", label: "Knot", icon: "🪢" },
-  { id: "dash", label: "Dash", icon: "📊" },
-];
-
 type ThemeModeOption = { id: ThemeMode; label: string; short: string };
 const THEME_MODE_OPTIONS: ThemeModeOption[] = [
   { id: "system", label: "System", short: "SYS" },
@@ -1102,10 +1094,6 @@ const THEME_MODE_OPTIONS: ThemeModeOption[] = [
   { id: "dark", label: "Dark", short: "DARK" },
 ];
 
-function currentThemeIcon(theme: ThemeName): string {
-  return THEME_OPTIONS.find((o) => o.id === theme)?.icon ?? "🎨";
-}
-
 export function renderTopbarThemeModeToggle(state: AppViewState) {
   const modeIcon = (mode: ThemeMode) => {
     if (mode === "system") {
@@ -1162,78 +1150,3 @@ export function renderSidebarConnectionStatus(state: AppViewState) {
     ></span>
   `;
 }
-
-export function renderThemeToggle(state: AppViewState) {
-  const setOpen = (orb: HTMLElement, nextOpen: boolean) => {
-    orb.classList.toggle("theme-orb--open", nextOpen);
-    const trigger = orb.querySelector<HTMLButtonElement>(".theme-orb__trigger");
-    const menu = orb.querySelector<HTMLElement>(".theme-orb__menu");
-    if (trigger) {
-      trigger.setAttribute("aria-expanded", nextOpen ? "true" : "false");
-    }
-    if (menu) {
-      menu.setAttribute("aria-hidden", nextOpen ? "false" : "true");
-    }
-  };
-
-  const toggleOpen = (e: Event) => {
-    const orb = (e.currentTarget as HTMLElement).closest<HTMLElement>(".theme-orb");
-    if (!orb) {
-      return;
-    }
-    const isOpen = orb.classList.contains("theme-orb--open");
-    if (isOpen) {
-      setOpen(orb, false);
-    } else {
-      setOpen(orb, true);
-      const close = (ev: MouseEvent) => {
-        if (!orb.contains(ev.target as Node)) {
-          setOpen(orb, false);
-          document.removeEventListener("click", close);
-        }
-      };
-      requestAnimationFrame(() => document.addEventListener("click", close));
-    }
-  };
-
-  const pick = (opt: ThemeOption, e: Event) => {
-    const orb = (e.currentTarget as HTMLElement).closest<HTMLElement>(".theme-orb");
-    if (orb) {
-      setOpen(orb, false);
-    }
-    if (opt.id !== state.theme) {
-      const context: ThemeTransitionContext = { element: orb ?? undefined };
-      state.setTheme(opt.id, context);
-    }
-  };
-
-  return html`
-    <div class="theme-orb" aria-label="Theme">
-      <button
-        type="button"
-        class="theme-orb__trigger"
-        title="Theme"
-        aria-haspopup="menu"
-        aria-expanded="false"
-        @click=${toggleOpen}
-      >
-        ${currentThemeIcon(state.theme)}
-      </button>
-      <div class="theme-orb__menu" role="menu" aria-hidden="true">
-        ${THEME_OPTIONS.map(
-          (opt) => html` <button
-            type="button"
-            class="theme-orb__option ${opt.id === state.theme ? "theme-orb__option--active" : ""}"
-            title=${opt.label}
-            role="menuitemradio"
-            aria-checked=${opt.id === state.theme}
-            aria-label=${opt.label}
-            @click=${(e: Event) => pick(opt, e)}
-          >
-            ${opt.icon}
-          </button>`,
-        )}
-      </div>
-    </div>
-  `;
-}
diff --git a/ui/src/ui/format.ts b/ui/src/ui/format.ts
index b8f4b2b4766..d565669a77d 100644
--- a/ui/src/ui/format.ts
+++ b/ui/src/ui/format.ts
@@ -49,13 +49,6 @@ export function toNumber(value: string, fallback: number): number {
   return Number.isFinite(n) ? n : fallback;
 }
 
-export function parseList(input: string): string[] {
-  return input
-    .split(/[,\n]/)
-    .map((v) => v.trim())
-    .filter((v) => v.length > 0);
-}
-
 export function stripThinkingTags(value: string): string {
   return stripAssistantInternalScaffolding(value);
 }
@@ -90,10 +83,3 @@ export function formatTokens(tokens: number | null | undefined, fallback = "0"):
   const m = tokens / 1_000_000;
   return m < 10 ? `${m.toFixed(1)}M` : `${Math.round(m)}M`;
 }
-
-export function formatPercent(value: number | null | undefined, fallback = "—"): string {
-  if (value == null || !Number.isFinite(value)) {
-    return fallback;
-  }
-  return `${(value * 100).toFixed(1)}%`;
-}
diff --git a/ui/src/ui/tool-display.ts b/ui/src/ui/tool-display.ts
index b05a748fc44..2b54d7d7c78 100644
--- a/ui/src/ui/tool-display.ts
+++ b/ui/src/ui/tool-display.ts
@@ -152,8 +152,3 @@ export function resolveToolDisplay(params: {
 export function formatToolDetail(display: ToolDisplay): string | undefined {
   return formatToolDetailText(display.detail, { prefixWithWith: true });
 }
-
-export function formatToolSummary(display: ToolDisplay): string {
-  const detail = formatToolDetail(display);
-  return detail ? `${display.label}: ${detail}` : display.label;
-}
diff --git a/ui/src/ui/usage-helpers.ts b/ui/src/ui/usage-helpers.ts
index a8ac116ced3..64d73d7f157 100644
--- a/ui/src/ui/usage-helpers.ts
+++ b/ui/src/ui/usage-helpers.ts
@@ -139,10 +139,7 @@ const getSessionModels = (session: UsageSessionQueryTarget): string[] => {
 const getSessionTools = (session: UsageSessionQueryTarget): string[] =>
   (session.usage?.toolUsage?.tools ?? []).map((tool) => tool.name.toLowerCase());
 
-export const matchesUsageQuery = (
-  session: UsageSessionQueryTarget,
-  term: UsageQueryTerm,
-): boolean => {
+const matchesUsageQuery = (session: UsageSessionQueryTarget, term: UsageQueryTerm): boolean => {
   const value = normalizeQueryText(term.value ?? "");
   if (!value) {
     return true;