diff --git a/deps/oblib/src/lib/container/ob_se_array.h b/deps/oblib/src/lib/container/ob_se_array.h
index 4c03178b8f74b0e12a5bd90ec4f4077933057e5d..23649eb99b3fce2e95110f95f2da993c5551b91d 100644
--- a/deps/oblib/src/lib/container/ob_se_array.h
+++ b/deps/oblib/src/lib/container/ob_se_array.h
@@ -478,6 +478,9 @@ void ObSEArrayImpl<T, LOCAL_ARRAY_SIZE, BlockAllocatorT, auto_free>::pop_back()
 {
   if (OB_UNLIKELY(count_ <= 0)) {
   } else {
+    if (!is_memcpy_safe()) {
+      data_[count_ - 1].~T();
+    }
     --count_;
   }
 }