diff --git a/lib/extension.js b/lib/extension.js
index 0ca68e9e..bbff1132 100644
--- a/lib/extension.js
+++ b/lib/extension.js
@@ -50,12 +50,7 @@ module.exports = class WakeupExtension {
 
     for (const w of this.base.activeWriters) {
       if (w.isIndexer || w.flushed()) continue
-
-      const value = version === 0
-        ? w.core.key
-        : { key: w.core.key, length: w.length }
-
-      writers.push(value)
+      writers.push({ key: w.core.key, length: w.length })
     }
 
     if (!writers.length) return null