diff --git a/server/src/api/controllers/statusPageThemeFlag.ts b/server/src/api/controllers/statusPageThemeFlag.ts
deleted file mode 100644
index 0fc2baedc..000000000
--- a/server/src/api/controllers/statusPageThemeFlag.ts
+++ /dev/null
@@ -1,33 +0,0 @@
-import { DEFAULT_STATUS_PAGE_THEME, DEFAULT_STATUS_PAGE_THEME_MODE, type StatusPage } from "@/domain/status-pages/status-page.type.js";
-
-/**
- * When STATUS_PAGE_THEMES_ENABLED is false, the controller drops incoming
- * theme fields before persisting so an admin client can't accidentally store
- * a value the public page won't honour. Whatever a caller sends here for
- * `theme` / `themeMode` is silently ignored — the rest of the body is
- * preserved verbatim.
- *
- * The strip is silent (not a 400) because the kill switch is an ops-side
- * concern: API clients should not have to know whether the operator has
- * disabled themes today, only that their saved value won't take effect.
- * If we later decide we'd rather fail loudly, change this to throw a
- * 400 AppError; downstream consumers already handle it.
- */
-export const withoutThemeFields = (body: Record<string, unknown>): Record<string, unknown> => {
-	const rest = { ...body };
-	delete rest.theme;
-	delete rest.themeMode;
-	return rest;
-};
-
-/**
- * When STATUS_PAGE_THEMES_ENABLED is false, callers reading a status page
- * should see the canonical default theme / mode regardless of what's stored
- * in Mongo. Whatever the user previously chose stays in the DB so flipping
- * the flag back on resurfaces their selection.
- */
-export const applyDefaultTheme = (statusPage: StatusPage): StatusPage => ({
-	...statusPage,
-	theme: DEFAULT_STATUS_PAGE_THEME,
-	themeMode: DEFAULT_STATUS_PAGE_THEME_MODE,
-});
diff --git a/server/test/unit/controllers/statusPageThemeFlag.test.ts b/server/test/unit/controllers/statusPageThemeFlag.test.ts
deleted file mode 100644
index b1d51361a..000000000
--- a/server/test/unit/controllers/statusPageThemeFlag.test.ts
+++ /dev/null
@@ -1,91 +0,0 @@
-import { describe, expect, it } from "@jest/globals";
-import { applyDefaultTheme, withoutThemeFields } from "../../../src/api/controllers/statusPageThemeFlag.ts";
-import { DEFAULT_STATUS_PAGE_THEME, DEFAULT_STATUS_PAGE_THEME_MODE } from "../../../src/domain/status-pages/status-page.type.ts";
-import { makeStatusPage } from "../../helpers/makeStatusPage.ts";
-
-describe("statusPageThemeFlag", () => {
-	describe("withoutThemeFields", () => {
-		it("removes theme and themeMode from a body that has them", () => {
-			const body = { companyName: "Co", theme: "modern", themeMode: "dark" };
-			const result = withoutThemeFields(body);
-			expect(result).toEqual({ companyName: "Co" });
-		});
-
-		it("is a no-op when neither field is present", () => {
-			const body = { companyName: "Co", url: "page" };
-			const result = withoutThemeFields(body);
-			expect(result).toEqual({ companyName: "Co", url: "page" });
-		});
-
-		it("removes only the theme fields when one is present", () => {
-			const body = { companyName: "Co", theme: "bold" };
-			const result = withoutThemeFields(body);
-			expect(result).toEqual({ companyName: "Co" });
-		});
-
-		it("does not mutate the input body", () => {
-			const body = { companyName: "Co", theme: "modern", themeMode: "dark" };
-			withoutThemeFields(body);
-			expect(body).toEqual({ companyName: "Co", theme: "modern", themeMode: "dark" });
-		});
-
-		it("preserves all other fields verbatim", () => {
-			const body = {
-				companyName: "Co",
-				monitors: ["m-1", "m-2"],
-				isPublished: true,
-				showCharts: false,
-				color: "#13715B",
-				theme: "editorial",
-				themeMode: "light",
-			};
-			const result = withoutThemeFields(body);
-			expect(result).toEqual({
-				companyName: "Co",
-				monitors: ["m-1", "m-2"],
-				isPublished: true,
-				showCharts: false,
-				color: "#13715B",
-			});
-		});
-	});
-
-	describe("applyDefaultTheme", () => {
-		it("overwrites theme and themeMode with the canonical defaults", () => {
-			const sp = makeStatusPage({ theme: "modern", themeMode: "dark" });
-			const result = applyDefaultTheme(sp);
-			expect(result.theme).toBe(DEFAULT_STATUS_PAGE_THEME);
-			expect(result.themeMode).toBe(DEFAULT_STATUS_PAGE_THEME_MODE);
-		});
-
-		it("leaves all other fields untouched", () => {
-			const sp = makeStatusPage({
-				companyName: "Test Co",
-				url: "my-page",
-				monitors: ["mon-1", "mon-2"],
-				isPublished: true,
-				color: "#13715B",
-			});
-			const result = applyDefaultTheme(sp);
-			expect(result.companyName).toBe("Test Co");
-			expect(result.url).toBe("my-page");
-			expect(result.monitors).toEqual(["mon-1", "mon-2"]);
-			expect(result.isPublished).toBe(true);
-			expect(result.color).toBe("#13715B");
-		});
-
-		it("does not mutate the input status page", () => {
-			const sp = makeStatusPage({ theme: "modern", themeMode: "dark" });
-			applyDefaultTheme(sp);
-			expect(sp.theme).toBe("modern");
-			expect(sp.themeMode).toBe("dark");
-		});
-
-		it("works on a status page that has no theme set yet", () => {
-			const sp = makeStatusPage({ theme: undefined, themeMode: undefined });
-			const result = applyDefaultTheme(sp);
-			expect(result.theme).toBe(DEFAULT_STATUS_PAGE_THEME);
-			expect(result.themeMode).toBe(DEFAULT_STATUS_PAGE_THEME_MODE);
-		});
-	});
-});