diff --git a/doc/api/deprecations.md b/doc/api/deprecations.md
index 3718bddafe787c..f289d8e8fd8134 100644
--- a/doc/api/deprecations.md
+++ b/doc/api/deprecations.md
@@ -1240,6 +1240,9 @@ The `util.isObject()` API has been removed. Please use
 
 <!-- YAML
 changes:
+  - version: REPLACEME
+    pr-url: https://github.com/nodejs/node/pull/52744
+    description: End-of-Life deprecation.
   - version: v22.0.0
     pr-url: https://github.com/nodejs/node/pull/50488
     description: Runtime deprecation.
@@ -1255,9 +1258,9 @@ changes:
     description: Documentation-only deprecation.
 -->
 
-Type: Runtime
+Type: End-of-Life
 
-The [`util.isPrimitive()`][] API is deprecated. Please use
+The `util.isPrimitive()` API has been removed. Please use
 `arg === null || (typeof arg !=='object' && typeof arg !== 'function')`
 instead.
 
@@ -3815,8 +3818,6 @@ is deprecated to better align with recommendations per [NIST SP 800-38D][].
 [`util.inspect()`]: util.md#utilinspectobject-options
 [`util.inspect.custom`]: util.md#utilinspectcustom
 [`util.isArray()`]: util.md#utilisarrayobject
-[`util.isPrimitive()`]: util.md#utilisprimitiveobject
-[`util.log()`]: util.md#utillogstring
 [`util.promisify`]: util.md#utilpromisifyoriginal
 [`util.toUSVString()`]: util.md#utiltousvstringstring
 [`util.types`]: util.md#utiltypes
diff --git a/doc/api/util.md b/doc/api/util.md
index da0a31256a7e7e..cf4ae74dcb2f04 100644
--- a/doc/api/util.md
+++ b/doc/api/util.md
@@ -2950,46 +2950,6 @@ util.isArray({});
 // Returns: false
 ```
 
-### `util.isPrimitive(object)`
-
-<!-- YAML
-added: v0.11.5
-deprecated: v4.0.0
--->
-
-> Stability: 0 - Deprecated: Use
-> `(typeof value !== 'object' && typeof value !== 'function') || value === null`
-> instead.
-
-* `object` {any}
-* Returns: {boolean}
-
-Returns `true` if the given `object` is a primitive type. Otherwise, returns
-`false`.
-
-```js
-const util = require('node:util');
-
-util.isPrimitive(5);
-// Returns: true
-util.isPrimitive('foo');
-// Returns: true
-util.isPrimitive(false);
-// Returns: true
-util.isPrimitive(null);
-// Returns: true
-util.isPrimitive(undefined);
-// Returns: true
-util.isPrimitive({});
-// Returns: false
-util.isPrimitive(() => {});
-// Returns: false
-util.isPrimitive(/^$/);
-// Returns: false
-util.isPrimitive(new Date());
-// Returns: false
-```
-
 ### `util.log(string)`
 
 <!-- YAML
diff --git a/lib/util.js b/lib/util.js
index aebe38e6a8d1d4..d9187f38baeb23 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -89,16 +89,6 @@ function lazyAbortController() {
 
 let internalDeepEqual;
 
-/**
- * @deprecated since v4.0.0
- * @param {any} arg
- * @returns {arg is (boolean | null | number | string | symbol | undefined)}
- */
-function isPrimitive(arg) {
-  return arg === null ||
-         (typeof arg !== 'object' && typeof arg !== 'function');
-}
-
 /**
  * @param {number} n
  * @returns {string}
@@ -335,11 +325,6 @@ module.exports = {
     }
     return internalDeepEqual(a, b);
   },
-  isPrimitive: deprecate(isPrimitive,
-                         'The `util.isPrimitive` API is deprecated. ' +
-                         'Please use `arg === null || ' +
-                         '(typeof arg !== "object" && typeof arg !== "function")` instead.',
-                         'DEP0054'),
   log: deprecate(log,
                  'The `util.log API is deprecated. ' +
                  'Please use console.log() with a custom formatter or a third-party logger instead.',
diff --git a/test/parallel/test-util.js b/test/parallel/test-util.js
index 8b67985a79a463..e544a2c07c6d88 100644
--- a/test/parallel/test-util.js
+++ b/test/parallel/test-util.js
@@ -40,23 +40,6 @@ assert.strictEqual(util.isArray(/regexp/), false);
 assert.strictEqual(util.isArray(new Error()), false);
 assert.strictEqual(util.isArray({ __proto__: Array.prototype }), false);
 
-// isPrimitive
-assert.strictEqual(util.isPrimitive({}), false);
-assert.strictEqual(util.isPrimitive(new Error()), false);
-assert.strictEqual(util.isPrimitive(new Date()), false);
-assert.strictEqual(util.isPrimitive([]), false);
-assert.strictEqual(util.isPrimitive(/regexp/), false);
-assert.strictEqual(util.isPrimitive(function() {}), false);
-assert.strictEqual(util.isPrimitive(new Number(1)), false);
-assert.strictEqual(util.isPrimitive(new String('bla')), false);
-assert.strictEqual(util.isPrimitive(new Boolean(true)), false);
-assert.strictEqual(util.isPrimitive(true), true);
-assert.strictEqual(util.isPrimitive(undefined), true);
-assert.strictEqual(util.isPrimitive(null), true);
-assert.strictEqual(util.isPrimitive(Infinity), true);
-assert.strictEqual(util.isPrimitive(NaN), true);
-assert.strictEqual(util.isPrimitive(Symbol('symbol')), true);
-
 assert.strictEqual(util.toUSVString('string\ud801'), 'string\ufffd');
 
 {