diff --git a/apps/mobile/src/features/settings/appearance/AppearancePreferencesProvider.tsx b/apps/mobile/src/features/settings/appearance/AppearancePreferencesProvider.tsx
index 79d67ebaa7c2..f161e654788b 100644
--- a/apps/mobile/src/features/settings/appearance/AppearancePreferencesProvider.tsx
+++ b/apps/mobile/src/features/settings/appearance/AppearancePreferencesProvider.tsx
@@ -37,7 +37,6 @@ import {
   getMobileUniwindThemeName,
   type MobileThemeRuntimeState,
 } from "../../../lib/mobileThemeRuntime";
-import { cacheTerminalFontSize } from "../../terminal/terminalUiState";
 
 interface AppearancePreferencesContextValue {
   /** Effective values with base-size derivation applied. Use this for rendering. */
@@ -143,8 +142,7 @@ export function AppearancePreferencesProvider(props: { readonly children: ReactN
   useLayoutEffect(() => {
     selectedThemeIdsRef.current = themeIds;
     syncThemeRuntime(runtimeState);
-    cacheTerminalFontSize(appearance.terminalFontSize);
-  }, [appearance.terminalFontSize, runtimeState, syncThemeRuntime, themeIds]);
+  }, [runtimeState, syncThemeRuntime, themeIds]);
 
   const setThemeIdForAppearance = useCallback(
     (appearance: MobileThemeAppearance, value: MobileThemeId) => {
diff --git a/apps/mobile/src/features/terminal/terminalUiState.test.ts b/apps/mobile/src/features/terminal/terminalUiState.test.ts
index 0bb3c1395915..6879fdfdbb20 100644
--- a/apps/mobile/src/features/terminal/terminalUiState.test.ts
+++ b/apps/mobile/src/features/terminal/terminalUiState.test.ts
@@ -2,9 +2,7 @@ import { beforeEach, describe, expect, it } from "vite-plus/test";
 import { EnvironmentId, ThreadId } from "@t3tools/contracts";
 
 import {
-  cacheTerminalFontSize,
   cacheTerminalGridSize,
-  getCachedTerminalFontSize,
   getCachedTerminalGridSize,
   resetTerminalUiStateCaches,
 } from "./terminalUiState";
@@ -14,14 +12,6 @@ describe("terminalUiState", () => {
     resetTerminalUiStateCaches();
   });
 
-  it("caches terminal font size using the shared normalization rules", () => {
-    expect(getCachedTerminalFontSize()).toBeNull();
-    expect(cacheTerminalFontSize(8.5)).toBe(8.5);
-    expect(getCachedTerminalFontSize()).toBe(8.5);
-    expect(cacheTerminalFontSize(100)).toBe(14);
-    expect(getCachedTerminalFontSize()).toBe(14);
-  });
-
   it("stores terminal grid sizes per terminal target", () => {
     const primaryTarget = {
       environmentId: EnvironmentId.make("env-1"),
diff --git a/apps/mobile/src/features/terminal/terminalUiState.ts b/apps/mobile/src/features/terminal/terminalUiState.ts
index 2cac0bf52b9e..84274430e8a1 100644
--- a/apps/mobile/src/features/terminal/terminalUiState.ts
+++ b/apps/mobile/src/features/terminal/terminalUiState.ts
@@ -1,7 +1,5 @@
 import type { EnvironmentId, ThreadId } from "@t3tools/contracts";
 
-import { DEFAULT_TERMINAL_FONT_SIZE, normalizeTerminalFontSize } from "./terminalPreferences";
-
 export interface TerminalGridSize {
   readonly cols: number;
   readonly rows: number;
@@ -14,22 +12,11 @@ export interface TerminalUiStateTarget {
 }
 
 const terminalGridSizeCache = new Map<string, TerminalGridSize>();
-let cachedTerminalFontSize: number | null = null;
 
 function terminalUiStateKey(target: TerminalUiStateTarget): string {
   return `${target.environmentId}:${target.threadId}:${target.terminalId}`;
 }
 
-export function getCachedTerminalFontSize(): number | null {
-  return cachedTerminalFontSize;
-}
-
-export function cacheTerminalFontSize(value: number | null | undefined): number {
-  const normalized = normalizeTerminalFontSize(value ?? DEFAULT_TERMINAL_FONT_SIZE);
-  cachedTerminalFontSize = normalized;
-  return normalized;
-}
-
 export function getCachedTerminalGridSize(target: TerminalUiStateTarget): TerminalGridSize | null {
   return terminalGridSizeCache.get(terminalUiStateKey(target)) ?? null;
 }
@@ -47,6 +34,5 @@ export function cacheTerminalGridSize(
 }
 
 export function resetTerminalUiStateCaches() {
-  cachedTerminalFontSize = null;
   terminalGridSizeCache.clear();
 }