diff --git a/package.json b/package.json
index ba35509ca81bf..9cf24176443b1 100644
--- a/package.json
+++ b/package.json
@@ -1190,7 +1190,6 @@
     "email-addresses": "^5.0.0",
     "eventsource-parser": "^3.0.0",
     "execa": "^5.1.1",
-    "expiry-js": "0.1.7",
     "exponential-backoff": "^3.1.1",
     "expr-eval": "^2.0.2",
     "extract-zip": "^2.0.1",
diff --git a/renovate.json b/renovate.json
index 2d11674325f1f..c4a8f49af9dc0 100644
--- a/renovate.json
+++ b/renovate.json
@@ -2796,25 +2796,6 @@
       "minimumReleaseAge": "7 days",
       "enabled": true
     },
-    {
-      "groupName": "expiry-js",
-      "matchDepNames": [
-        "expiry-js"
-      ],
-      "reviewers": [
-        "team:kibana-operations"
-      ],
-      "matchBaseBranches": [
-        "main"
-      ],
-      "labels": [
-        "Team:Operations",
-        "backport:all-open",
-        "release_note:skip"
-      ],
-      "minimumReleaseAge": "7 days",
-      "enabled": true
-    },
     {
       "groupName": "globby",
       "matchDepNames": [
diff --git a/src/cli_plugin/install/settings.js b/src/cli_plugin/install/settings.js
index 161f442669b65..782f737077d83 100644
--- a/src/cli_plugin/install/settings.js
+++ b/src/cli_plugin/install/settings.js
@@ -8,7 +8,6 @@
  */
 
 import { resolve } from 'path';
-import expiry from 'expiry-js';
 import { fromRoot } from '@kbn/repo-info';
 
 function generateUrls({ version, plugin }) {
@@ -19,16 +18,37 @@ function generateUrls({ version, plugin }) {
 }
 
 export function parseMilliseconds(val) {
-  let result;
-
-  try {
-    const timeVal = expiry(val);
-    result = timeVal.asMilliseconds();
-  } catch (ex) {
-    result = 0;
+  if (typeof val === 'number') return val;
+  if (typeof val !== 'string') return 0;
+  const regex = /^(\d+)(ms|milliseconds?|s|seconds?|m|minutes?|h|hours?|d|days?)?$/;
+  const match = val.trim().match(regex);
+  if (!match) return 0;
+  const num = parseInt(match[1], 10);
+  const unit = match[2] || 'ms';
+  switch (unit) {
+    case 'ms':
+    case 'millisecond':
+    case 'milliseconds':
+      return num;
+    case 's':
+    case 'second':
+    case 'seconds':
+      return num * 1000;
+    case 'm':
+    case 'minute':
+    case 'minutes':
+      return num * 60 * 1000;
+    case 'h':
+    case 'hour':
+    case 'hours':
+      return num * 60 * 60 * 1000;
+    case 'd':
+    case 'day':
+    case 'days':
+      return num * 24 * 60 * 60 * 1000;
+    default:
+      return num;
   }
-
-  return result;
 }
 
 export function parse(command, options, kbnPackage) {
diff --git a/yarn.lock b/yarn.lock
index 8b1cc9e1c7a5a..6992a13c94402 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -19325,11 +19325,6 @@ expect@^29.0.0, expect@^29.7.0:
     jest-message-util "^29.7.0"
     jest-util "^29.7.0"
 
-expiry-js@0.1.7:
-  version "0.1.7"
-  resolved "https://registry.yarnpkg.com/expiry-js/-/expiry-js-0.1.7.tgz#76be8c05e572bf936df40c1766448d0b3b2f555f"
-  integrity sha1-dr6MBeVyv5Nt9AwXZkSNCzsvVV8=
-
 exponential-backoff@^3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/exponential-backoff/-/exponential-backoff-3.1.1.tgz#64ac7526fe341ab18a39016cd22c787d01e00bf6"