diff --git a/packages/core-js/internals/math-f16round.js b/packages/core-js/internals/math-f16round.js
deleted file mode 100644
index 89e450a48a3b..000000000000
--- a/packages/core-js/internals/math-f16round.js
+++ /dev/null
@@ -1,12 +0,0 @@
-'use strict';
-var floatRound = require('../internals/math-float-round');
-
-var FLOAT16_EPSILON = 0.0009765625;
-var FLOAT16_MAX_VALUE = 65504;
-var FLOAT16_MIN_VALUE = 6.103515625e-05;
-
-// `Math.f16round` method implementation
-// https://github.com/tc39/proposal-float16array
-module.exports = Math.f16round || function f16round(x) {
-  return floatRound(x, FLOAT16_EPSILON, FLOAT16_MAX_VALUE, FLOAT16_MIN_VALUE);
-};
diff --git a/packages/core-js/modules/esnext.math.f16round.js b/packages/core-js/modules/esnext.math.f16round.js
index 09a3e012998a..61dd678801b4 100644
--- a/packages/core-js/modules/esnext.math.f16round.js
+++ b/packages/core-js/modules/esnext.math.f16round.js
@@ -1,7 +1,15 @@
 'use strict';
 var $ = require('../internals/export');
-var f16round = require('../internals/math-f16round');
+var floatRound = require('../internals/math-float-round');
+
+var FLOAT16_EPSILON = 0.0009765625;
+var FLOAT16_MAX_VALUE = 65504;
+var FLOAT16_MIN_VALUE = 6.103515625e-05;
 
 // `Math.f16round` method
 // https://github.com/tc39/proposal-float16array
-$({ target: 'Math', stat: true }, { f16round: f16round });
+$({ target: 'Math', stat: true }, {
+  f16round: function f16round(x) {
+    return floatRound(x, FLOAT16_EPSILON, FLOAT16_MAX_VALUE, FLOAT16_MIN_VALUE);
+  }
+});