diff --git a/apps/web/src/components/ChatMarkdown.tsx b/apps/web/src/components/ChatMarkdown.tsx
index 38fe42aac3da4a7d253f561d627acdbaefbb0e7b..2cc4c37b44a26faf9a5e0169530e148761568763 100644
--- a/apps/web/src/components/ChatMarkdown.tsx
+++ b/apps/web/src/components/ChatMarkdown.tsx
@@ -20,7 +20,7 @@ import {
 import type { Components } from "react-markdown";
 import ReactMarkdown from "react-markdown";
 import remarkGfm from "remark-gfm";
-import { resolveDiffThemeName, type DiffThemeName } from "../lib/diffThemes";
+import { resolveDiffThemeName, type DiffThemeName } from "../lib/diffRendering";
 import { fnv1a32 } from "../lib/diffRendering";
 import { LRUCache } from "../lib/lruCache";
 import { useTheme } from "../hooks/useTheme";
diff --git a/apps/web/src/components/DiffPanel.tsx b/apps/web/src/components/DiffPanel.tsx
index 34f8bde99c19a72f6ab7db02aec088a798a4cc0d..92c2af1d0624fbc2073d034813c4959e1c0517bb 100644
--- a/apps/web/src/components/DiffPanel.tsx
+++ b/apps/web/src/components/DiffPanel.tsx
@@ -11,7 +11,7 @@ import { parseDiffRouteSearch, stripDiffSearchParams } from "../diffRouteSearch"
 import { isElectron } from "../env";
 import { useTheme } from "../hooks/useTheme";
 import { buildPatchCacheKey } from "../lib/diffRendering";
-import { resolveDiffThemeName } from "../lib/diffThemes";
+import { resolveDiffThemeName } from "../lib/diffRendering";
 import { useTurnDiffSummaries } from "../hooks/useTurnDiffSummaries";
 import { useStore } from "../store";
 import { ToggleGroup, Toggle } from "./ui/toggle-group";
diff --git a/apps/web/src/components/DiffWorkerPoolProvider.tsx b/apps/web/src/components/DiffWorkerPoolProvider.tsx
index 47f91efcb9e264540447e0f6ee222f9806f89487..5babd4248ad6bcd517bd1e40b15413b5992ec010 100644
--- a/apps/web/src/components/DiffWorkerPoolProvider.tsx
+++ b/apps/web/src/components/DiffWorkerPoolProvider.tsx
@@ -2,7 +2,7 @@ import { WorkerPoolContextProvider, useWorkerPool } from "@pierre/diffs/react";
 import DiffsWorker from "@pierre/diffs/worker/worker.js?worker";
 import { useEffect, useMemo, type ReactNode } from "react";
 import { useTheme } from "../hooks/useTheme";
-import { resolveDiffThemeName, type DiffThemeName } from "../lib/diffThemes";
+import { resolveDiffThemeName, type DiffThemeName } from "../lib/diffRendering";
 
 function DiffWorkerThemeSync({ themeName }: { themeName: DiffThemeName }) {
   const workerPool = useWorkerPool();
diff --git a/apps/web/src/lib/diffRendering.ts b/apps/web/src/lib/diffRendering.ts
index c61ad69f535bdae2c1770362d2c49788606dc63a..7218f72978e07aacfcd164bcf616d0ff56970f0c 100644
--- a/apps/web/src/lib/diffRendering.ts
+++ b/apps/web/src/lib/diffRendering.ts
@@ -1,3 +1,14 @@
+export const DIFF_THEME_NAMES = {
+  light: "pierre-light",
+  dark: "pierre-dark",
+} as const;
+
+export type DiffThemeName = (typeof DIFF_THEME_NAMES)[keyof typeof DIFF_THEME_NAMES];
+
+export function resolveDiffThemeName(theme: "light" | "dark"): DiffThemeName {
+  return theme === "dark" ? DIFF_THEME_NAMES.dark : DIFF_THEME_NAMES.light;
+}
+
 const FNV_OFFSET_BASIS_32 = 0x811c9dc5;
 const FNV_PRIME_32 = 0x01000193;
 const SECONDARY_HASH_SEED = 0x9e3779b9;
diff --git a/apps/web/src/lib/diffThemes.ts b/apps/web/src/lib/diffThemes.ts
deleted file mode 100644
index c38fa8d0005983da909b7a7ec3558e8cc16803cb..0000000000000000000000000000000000000000
--- a/apps/web/src/lib/diffThemes.ts
+++ /dev/null
@@ -1,10 +0,0 @@
-export const DIFF_THEME_NAMES = {
-  light: "pierre-light",
-  dark: "pierre-dark",
-} as const;
-
-export type DiffThemeName = (typeof DIFF_THEME_NAMES)[keyof typeof DIFF_THEME_NAMES];
-
-export function resolveDiffThemeName(theme: "light" | "dark"): DiffThemeName {
-  return theme === "dark" ? DIFF_THEME_NAMES.dark : DIFF_THEME_NAMES.light;
-}