diff --git a/direct-file/df-client/df-client-app/src/auth/Account/PreviewTaxReturns.tsx b/direct-file/df-client/df-client-app/src/auth/Account/PreviewTaxReturns.tsx
index 301e4ad..e51971f 100644
--- a/direct-file/df-client/df-client-app/src/auth/Account/PreviewTaxReturns.tsx
+++ b/direct-file/df-client/df-client-app/src/auth/Account/PreviewTaxReturns.tsx
@@ -22,10 +22,6 @@ const PreviewTaxReturns = () => {
   const handlePreview = useCallback(async () => {
     const url = `${import.meta.env.VITE_BACKEND_URL}v1/taxreturns/${currentTaxReturnId}/preview`;
     const alertKey = SystemAlertKey.PREVIEW;
-    const browserLanguage: string = navigator.language;
-    // TODO: navigator.platform is deprecated: https://developer.mozilla.org/en-US/docs/Web/API/Navigator/platform
-    const platform: string = navigator.platform ? navigator.platform : ``;
-    const timeZoneOffset: number = new Date().getTimezoneOffset();
     const facts = JSON.parse(factGraph.toJSON());
 
     try {
diff --git a/direct-file/df-client/df-client-app/src/redux/slices/tax-return/taxReturnCreate.ts b/direct-file/df-client/df-client-app/src/redux/slices/tax-return/taxReturnCreate.ts
index a339a54..67472c0 100644
--- a/direct-file/df-client/df-client-app/src/redux/slices/tax-return/taxReturnCreate.ts
+++ b/direct-file/df-client/df-client-app/src/redux/slices/tax-return/taxReturnCreate.ts
@@ -10,10 +10,6 @@ import { TaxReturn } from '../../../types/core.js';
  * then trigger any logging on this fetch.
  */
 export async function taxReturnCreate(): Promise<TaxReturn> {
-  const browserLanguage: string = navigator.language;
-  // TODO: navigator.platform is deprecated: https://developer.mozilla.org/en-US/docs/Web/API/Navigator/platform
-  const platform: string = navigator.platform ? navigator.platform : ``;
-  const timeZoneOffset: number = new Date().getTimezoneOffset();
   const year = Number.parseInt(CURRENT_TAX_YEAR);
 
   return await save<TaxReturn>(`${import.meta.env.VITE_BACKEND_URL}v1/taxreturns`, {