diff --git a/frontend/src/views/dataset/group/Group.vue b/frontend/src/views/dataset/group/Group.vue
index 8a83a8507d..3e382cc1d7 100644
--- a/frontend/src/views/dataset/group/Group.vue
+++ b/frontend/src/views/dataset/group/Group.vue
@@ -93,10 +93,6 @@
                               <svg-icon icon-class="ds-custom" class="ds-icon-custom" />
                               {{ $t('dataset.custom_data') }}
                             </el-dropdown-item>
-                            <el-dropdown-item :command="beforeClickAddData('union',data)">
-                              <svg-icon icon-class="ds-union" class="ds-icon-union" />
-                              {{ $t('dataset.union_data') }}
-                            </el-dropdown-item>
                           </el-dropdown-menu>
                         </el-dropdown>
                       </el-dropdown-item>