diff --git a/.internal/baseSetToString.js b/.internal/baseSetToString.js
deleted file mode 100644
index ea91d0630..000000000
--- a/.internal/baseSetToString.js
+++ /dev/null
@@ -1,18 +0,0 @@
-/**
- * The base implementation of `setToString` without support for hot loop shorting.
- *
- * @private
- * @param {Function} func The function to modify.
- * @param {Function} string The `toString` result.
- * @returns {Function} Returns `func`.
- */
-function baseSetToString(func, string) {
-  return Object.defineProperty(func, 'toString', {
-    'configurable': true,
-    'enumerable': false,
-    'value': () => string,
-    'writable': true
-  })
-}
-
-export default baseSetToString
diff --git a/.internal/setToString.js b/.internal/setToString.js
index a29ef90b9..88a587340 100644
--- a/.internal/setToString.js
+++ b/.internal/setToString.js
@@ -1,6 +1,3 @@
-import baseSetToString from './baseSetToString.js'
-import shortOut from './shortOut.js'
-
 /**
  * Sets the `toString` method of `func` to return `string`.
  *
@@ -9,6 +6,13 @@ import shortOut from './shortOut.js'
  * @param {Function} string The `toString` result.
  * @returns {Function} Returns `func`.
  */
-const setToString = shortOut(baseSetToString)
+function setToString(func, string) {
+  return Object.defineProperty(func, 'toString', {
+    'configurable': true,
+    'enumerable': false,
+    'value': () => string,
+    'writable': true
+  })
+}
 
 export default setToString