diff --git a/package.json b/package.json
index 78c461b4e..8d685272a 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "preversion": "yarn run test",
     "version": "lerna run dist --parallel && gltf-transform -h > docs/CLI_HELP.md && git add -u docs",
     "postpublish": "git push && git push --tags && yarn run docs:deploy",
-    "docs": "typedoc packages/core/src/core.ts packages/extensions/src/extensions.ts packages/lib/src/index.ts docs/pages.ts --out docs/dist/ --name glTF-Transform --excludeNotDocumented --theme docs/theme --media docs/media --readme docs/INDEX.md --includes docs",
+    "docs": "typedoc packages/core/src/core.ts packages/extensions/src/extensions.ts packages/functions/src/index.ts docs/pages.ts --out docs/dist/ --name glTF-Transform --excludeNotDocumented --theme docs/theme --media docs/media --readme docs/INDEX.md --includes docs",
     "docs:watch": "concurrently \"yarn docs --watch\" \"vercel dev\"",
     "docs:deploy": "yarn docs && vercel --prod"
   },
diff --git a/packages/core/tsconfig.json b/packages/core/tsconfig.json
index aa47b7068..c7726f563 100644
--- a/packages/core/tsconfig.json
+++ b/packages/core/tsconfig.json
@@ -1,6 +1,9 @@
 {
     "extends": "../../tsconfig.json",
-    "include": ["src/**/*"],
+    "include": [
+      "src/**/*",
+      "../global.d.ts"
+    ],
     "compilerOptions": {
       "outDir": "dist",
       "strict": true,
diff --git a/packages/functions/src/index.ts b/packages/functions/src/index.ts
index 661907f12..1eb0b26ba 100644
--- a/packages/functions/src/index.ts
+++ b/packages/functions/src/index.ts
@@ -1,4 +1,4 @@
-/** @module lib */
+/** @module functions */
 
 export * from './bounds';
 export * from './center';
diff --git a/packages/functions/src/types/global.d.ts b/packages/functions/src/types/global.d.ts
deleted file mode 100644
index 4b2b12135..000000000
--- a/packages/functions/src/types/global.d.ts
+++ /dev/null
@@ -1,26 +0,0 @@
-// See: https://github.com/toji/gl-matrix/issues/423
-
-declare module 'gl-matrix/vec4' {
-	import { vec4 } from 'gl-matrix';
-	export = vec4;
-}
-
-declare module 'gl-matrix/vec3' {
-	import { vec3 } from 'gl-matrix';
-	export = vec3;
-}
-
-declare module 'gl-matrix/vec2' {
-	import { vec2 } from 'gl-matrix';
-	export = vec2;
-}
-
-declare module 'gl-matrix/mat4' {
-	import { mat4 } from 'gl-matrix';
-	export = mat4;
-}
-
-declare module 'gl-matrix/mat3' {
-	import { mat3 } from 'gl-matrix';
-	export = mat3;
-}
diff --git a/packages/functions/tsconfig.json b/packages/functions/tsconfig.json
index d10263c71..5a4e38fc4 100644
--- a/packages/functions/tsconfig.json
+++ b/packages/functions/tsconfig.json
@@ -1,6 +1,9 @@
 {
   "extends": "../../tsconfig.json",
-  "include": ["src/**/*"],
+  "include": [
+    "src/**/*",
+    "../global.d.ts"
+  ],
   "compilerOptions": {
     "outDir": "dist",
     "strict": true,
diff --git a/packages/core/src/types/global.d.ts b/packages/global.d.ts
similarity index 100%
rename from packages/core/src/types/global.d.ts
rename to packages/global.d.ts