diff --git a/.internal/isKey.js b/.internal/isKey.js
index 7cbba64e2..b28d7a664 100644
--- a/.internal/isKey.js
+++ b/.internal/isKey.js
@@ -17,7 +17,7 @@ function isKey(value, object) {
     return false
   }
   const type = typeof value
-  if (type == 'number' || type == 'symbol' || type == 'boolean' ||
+  if (type == 'number' || type == 'boolean' ||
       value == null || isSymbol(value)) {
     return true
   }