diff --git a/lib/assert.js b/lib/assert.js
index 93b80088ec222a..f200507ad60537 100644
--- a/lib/assert.js
+++ b/lib/assert.js
@@ -308,12 +308,7 @@ function getErrMessage(message, fn) {
       return;
     }
   } else {
-    const fn = call.getFunction();
-    if (!fn) {
-      return message;
-    }
-    code = String(fn);
-    identifier = `${code}${line}${column}`;
+    return message;
   }
 
   if (errorCache.has(identifier)) {
diff --git a/test/parallel/test-assert.js b/test/parallel/test-assert.js
index 24a72091c08399..0a270d030feea6 100644
--- a/test/parallel/test-assert.js
+++ b/test/parallel/test-assert.js
@@ -921,7 +921,7 @@ assert.throws(
   {
     code: 'ERR_ASSERTION',
     constructor: assert.AssertionError,
-    message: 'The expression evaluated to a falsy value:\n\n  assert(1 === 2)\n'
+    message: 'false == true'
   }
 );
 assert.throws(