diff --git a/base.d.ts b/base.d.ts
index c61ec473d..625a05d58 100644
--- a/base.d.ts
+++ b/base.d.ts
@@ -33,7 +33,6 @@ export {Entry} from './source/entry';
 export {Entries} from './source/entries';
 export {SetReturnType} from './source/set-return-type';
 export {Asyncify} from './source/asyncify';
-export {LastArrayElement} from './source/last-array-element';
 
 // Miscellaneous
 export {PackageJson} from './source/package-json';
diff --git a/readme.md b/readme.md
index 7c7862a3c..2fc34842a 100644
--- a/readme.md
+++ b/readme.md
@@ -104,7 +104,6 @@ Click the type names for complete docs.
 - [`Entries`](source/entries.d.ts) - Create a type that represents the type of the entries of a collection.
 - [`SetReturnType`](source/set-return-type.d.ts) - Create a function type with a return type of your choice and the same parameters as the given function type.
 - [`Asyncify`](source/asyncify.d.ts) - Create an async version of the given function type.
-- [`LastArrayElement`](source/last-array-element.d.ts) - Extracts the type of the last element of an array.
 
 ### Template literal types
 
@@ -128,6 +127,7 @@ Click the type names for complete docs.
 - [`Split`](ts41/split.d.ts) - Represents an array of strings split using a given character or character set.
 - [`Trim`](ts41/trim.d.ts) - Remove leading and trailing spaces from a string.
 - [`Get`](ts41/get.d.ts) - Get a deeply-nested property from an object using a key path, like [Lodash's `.get()`](https://lodash.com/docs/latest#get) function.
+- [`LastArrayElement`](ts41/last-array-element.d.ts) - Extracts the type of the last element of an array.
 
 ### Miscellaneous
 
diff --git a/ts41/index.d.ts b/ts41/index.d.ts
index bff2c62c9..5797cd1f8 100644
--- a/ts41/index.d.ts
+++ b/ts41/index.d.ts
@@ -10,3 +10,4 @@ export {DelimiterCase} from './delimiter-case';
 export {Split} from './split';
 export {Trim} from './trim';
 export {Get} from './get';
+export {LastArrayElement} from './last-array-element';
diff --git a/source/last-array-element.d.ts b/ts41/last-array-element.d.ts
similarity index 100%
rename from source/last-array-element.d.ts
rename to ts41/last-array-element.d.ts