diff --git a/src/types/index.ts b/src/types/index.ts
index b8ca968b..bedd2289 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -52,5 +52,4 @@ export type { default as SemanticVersion } from './semantic-version'
 export type { default as Split } from './split'
 export type { default as StringLike } from './string-like'
 export type { default as TimestampUnix } from './timestamp-unix'
-export type { default as UID } from './uid'
 export type { default as Union } from './union'
diff --git a/src/types/uid.ts b/src/types/uid.ts
deleted file mode 100644
index e8ca7767..00000000
--- a/src/types/uid.ts
+++ /dev/null
@@ -1,13 +0,0 @@
-/**
- * @file Type Definitions - UID
- * @module tutils/types/UID
- */
-
-import type NumberString from './number-string'
-
-/**
- * Types of unique document identifiers.
- */
-type UID = NumberString
-
-export { type UID as default }