diff --git a/deno.json b/deno.json
index d63b4d2..6eb0dd2 100644
--- a/deno.json
+++ b/deno.json
@@ -26,9 +26,6 @@
     "singleQuote": true
   },
   "lint": {
-    "rules": {
-      "exclude": ["no-explicit-any"]
-    },
     "exclude": ["npm/"]
   }
 }
diff --git a/src/extend.ts b/src/extend.ts
index 987108d..72fc2f3 100644
--- a/src/extend.ts
+++ b/src/extend.ts
@@ -8,11 +8,15 @@ import type { ExtendOptions } from './types.ts';
 /**
  * Extend theme to UnoCSS by using `extendTheme` function.
  */
-export const _extendTheme = (
+export const _extendTheme = <Theme extends object = object>(
   options: ExtendOptions = {},
-): (theme: any) => void => {
+): (theme: Theme) => void => {
   const { prefix = 'ctp', defaultFlavour } = options;
 
+  //* We don't know what `theme` could be, since it's provided to us
+  //* by UnoCSS. I think we could type-safe the parts we have
+  //* (`ThemeObject` type), but I'm not sure how to do that.
+  // deno-lint-ignore no-explicit-any
   const extendTheme = (theme: any): void => {
     theme['colors'] ??= {};
 
diff --git a/src/index.ts b/src/index.ts
index df9b0ab..94e1867 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,5 +1,3 @@
-// TODO: Don't allow `no-explicit-any` after implementing `Theme` type.
-
 import { _extendTheme } from './extend.ts';
 
 import type { Preset } from '@unocss/core';