diff --git a/scripts/addons_core/node_wrangler/operators.py b/scripts/addons_core/node_wrangler/operators.py
index 723db9b7e9c..7660c11570a 100644
--- a/scripts/addons_core/node_wrangler/operators.py
+++ b/scripts/addons_core/node_wrangler/operators.py
@@ -241,7 +241,8 @@ class NWDeleteUnused(Operator, NWBase):
     def is_unused_node(self, node):
         end_types = ['OUTPUT_MATERIAL', 'OUTPUT', 'VIEWER', 'COMPOSITE',
                      'SPLITVIEWER', 'OUTPUT_FILE', 'LEVELS', 'OUTPUT_LIGHT',
-                     'OUTPUT_WORLD', 'GROUP_INPUT', 'GROUP_OUTPUT', 'FRAME']
+                     'OUTPUT_WORLD', 'GROUP_INPUT', 'GROUP_OUTPUT', 'FRAME',
+                     'WARNING']
         if node.type in end_types:
             return False