diff --git a/source/blender/editors/space_outliner/tree/tree_element_view_collection.cc b/source/blender/editors/space_outliner/tree/tree_element_view_collection.cc
index de6852c8f53..ba2632dc1f9 100644
--- a/source/blender/editors/space_outliner/tree/tree_element_view_collection.cc
+++ b/source/blender/editors/space_outliner/tree/tree_element_view_collection.cc
@@ -17,8 +17,9 @@
 
 namespace blender::ed::outliner {
 
-TreeElementViewCollectionBase::TreeElementViewCollectionBase(TreeElement &legacy_te, Scene &scene)
-    : AbstractTreeElement(legacy_te), scene_(scene)
+TreeElementViewCollectionBase::TreeElementViewCollectionBase(TreeElement &legacy_te,
+                                                             Scene & /*scene*/)
+    : AbstractTreeElement(legacy_te) /* , scene_(scene) */
 {
   BLI_assert(legacy_te.store_elem->type == TSE_VIEW_COLLECTION_BASE);
   legacy_te.name = IFACE_("Scene Collection");
diff --git a/source/blender/editors/space_outliner/tree/tree_element_view_collection.hh b/source/blender/editors/space_outliner/tree/tree_element_view_collection.hh
index 5e4d1601a22..bf63a7aa342 100644
--- a/source/blender/editors/space_outliner/tree/tree_element_view_collection.hh
+++ b/source/blender/editors/space_outliner/tree/tree_element_view_collection.hh
@@ -13,7 +13,8 @@
 namespace blender::ed::outliner {
 
 class TreeElementViewCollectionBase final : public AbstractTreeElement {
-  Scene &scene_;
+  /* Not needed right now, avoid unused member variable warning. */
+  // Scene &scene_;
 
  public:
   TreeElementViewCollectionBase(TreeElement &legacy_te, Scene &scene);