diff --git a/package.json b/package.json
index 4aa098952..d73933461 100644
--- a/package.json
+++ b/package.json
@@ -76,6 +76,7 @@
     "@types/storybook__addon-actions": "^3.4.2",
     "@types/storybook__addon-knobs": "^5.0.0",
     "@types/storybook__react": "^4.0.1",
+    "@types/uuid": "^3.4.4",
     "@typescript-eslint/eslint-plugin": "^1.5.0",
     "babel-core": "^7.0.0-bridge.0",
     "babel-eslint": "^10.0.1",
diff --git a/src/scripts/util.js b/src/scripts/util.ts
similarity index 74%
rename from src/scripts/util.js
rename to src/scripts/util.ts
index 49a323d2d..b8dee46e7 100644
--- a/src/scripts/util.js
+++ b/src/scripts/util.ts
@@ -1,5 +1,4 @@
 import createUUID from 'uuid';
-import { updateScroll } from 'react-relative-portal';
 
 export const uuid =
   process.env.NODE_ENV === 'test' ? () => '$uuid$' : createUUID;
@@ -11,7 +10,7 @@ export const getToday =
 
 let assetRoot = '/assets';
 
-export function setAssetRoot(path) {
+export function setAssetRoot(path: string) {
   assetRoot = path;
 }
 
@@ -19,13 +18,12 @@ export function getAssetRoot() {
   return assetRoot;
 }
 
-export function registerStyle(styleName, rules) {
+export function registerStyle(styleName: string, rules: string[][]) {
   const styleId = `react-slds-cssfix-${styleName}`;
-  let style = document.getElementById(styleId);
-  if (style) {
+  if (document.getElementById(styleId)) {
     return;
   }
-  style = document.createElement('style');
+  const style = document.createElement('style');
   style.id = styleId;
   style.appendChild(document.createTextNode(''));
   document.documentElement.appendChild(style);
@@ -34,11 +32,11 @@ export function registerStyle(styleName, rules) {
     let selectors = ruleSet;
     selectors = selectors.concat(selectors.map((s) => `.slds ${s}`));
     const rule = `${selectors.join(', ')} ${declaration}`;
-    style.sheet.insertRule(rule, 0);
+    (style.sheet as CSSStyleSheet).insertRule(rule, 0);
   }
 }
 
-export function isElInChildren(rootEl, targetEl) {
+export function isElInChildren(rootEl: any, targetEl: any) {
   /* eslint-disable no-param-reassign */
   while (targetEl && targetEl !== rootEl) {
     targetEl = targetEl.parentNode;
@@ -47,7 +45,7 @@ export function isElInChildren(rootEl, targetEl) {
   return !!targetEl;
 }
 
-export function offset(el) {
+export function offset(el: HTMLElement) {
   const rect = el.getBoundingClientRect();
 
   return {
@@ -56,9 +54,10 @@ export function offset(el) {
   };
 }
 
-export function cleanProps(props, propTypes) {
+export function cleanProps(props: object, propTypes: object) {
   const newProps = props;
   Object.keys(propTypes).forEach((key) => {
+    // @ts-ignore
     delete newProps[key];
   });
   return newProps;
@@ -71,5 +70,4 @@ export default {
   isElInChildren,
   offset,
   cleanProps,
-  updateScroll,
 };
diff --git a/yarn.lock b/yarn.lock
index 9cf52f4d7..162ebcb3e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1840,6 +1840,13 @@
   resolved "https://registry.yarnpkg.com/@types/unist/-/unist-2.0.3.tgz#9c088679876f374eb5983f150d4787aa6fb32d7e"
   integrity sha512-FvUupuM3rlRsRtCN+fDudtmytGO6iHJuuRKS1Ss0pG5z8oX0diNEw94UEL7hgDbpN94rgaK5R7sWm6RrSkZuAQ==
 
+"@types/uuid@^3.4.4":
+  version "3.4.4"
+  resolved "https://registry.yarnpkg.com/@types/uuid/-/uuid-3.4.4.tgz#7af69360fa65ef0decb41fd150bf4ca5c0cefdf5"
+  integrity sha512-tPIgT0GUmdJQNSHxp0X2jnpQfBSTfGxUMc/2CXBU2mnyTFVYVa2ojpoQ74w0U2yn2vw3jnC640+77lkFFpdVDw==
+  dependencies:
+    "@types/node" "*"
+
 "@types/vfile-message@*":
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/@types/vfile-message/-/vfile-message-1.0.1.tgz#e1e9895cc6b36c462d4244e64e6d0b6eaf65355a"