diff --git a/javascript/src/utilities/dateTimeUtilities.js b/javascript/src/utilities/dateTimeUtilities.js
deleted file mode 100644
index 3b7c54e146b6b2d5d5401087f2875f54abc0e437..0000000000000000000000000000000000000000
--- a/javascript/src/utilities/dateTimeUtilities.js
+++ /dev/null
@@ -1,7 +0,0 @@
-export const formatDateNumeric = date =>
-  date.toLocaleDateString("en-US", {
-    year: "numeric",
-    month: "numeric",
-    day: "numeric"
-  });
-
diff --git a/javascript/src/utilities/signingUtilities.js b/javascript/src/utilities/signingUtilities.js
index 3dd93bf140e5de3f127d455f0ef37b0e02ce760f..2d68adc77fb074924821e432abe231daa0c70968 100644
--- a/javascript/src/utilities/signingUtilities.js
+++ b/javascript/src/utilities/signingUtilities.js
@@ -2,7 +2,6 @@ import {canTryPincode, failPincodeAttempt, getTimeLeftInLocalStorage, makeid} fr
 import {bufferToHexCodes, stringToArrayBuffer} from 'pvutils';
 import {fromBER} from 'asn1js';
 import {ContentInfo, SignedData} from 'pkijs';
-import {formatDateNumeric} from './dateTimeUtilities';
 import {algomap, rdnmap} from '../constants/certificates';
 
 const libmime = require('libmime');
@@ -975,8 +974,8 @@ export const parseCertificates = signatureBase64 => {
       );
       const issuer = certificate.issuer.typesAndValues;
       const subject = certificate.subject.typesAndValues;
-      const notAfter = formatDateNumeric(certificate.notAfter.value);
-      const notBefore = formatDateNumeric(certificate.notBefore.value);
+      const notAfter = certificate.notAfter.value;
+      const notBefore = certificate.notBefore.value;
       let signatureAlgorithm =
         algomap[certificate.signatureAlgorithm.algorithmId];
       if (typeof signatureAlgorithm === "undefined") {