diff --git a/core/src/index/knowhere/knowhere/index/vector_index/IndexIVF.cpp b/core/src/index/knowhere/knowhere/index/vector_index/IndexIVF.cpp
index 7f30a97ea0..8b734abdc6 100644
--- a/core/src/index/knowhere/knowhere/index/vector_index/IndexIVF.cpp
+++ b/core/src/index/knowhere/knowhere/index/vector_index/IndexIVF.cpp
@@ -97,7 +97,6 @@ IVF::Serialize() {
     }
 
     std::lock_guard<std::mutex> lk(mutex_);
-    Seal();
     return SerializeImpl();
 }