diff --git a/node_wrangler.py b/node_wrangler.py
index f1a42adb78c2f7fe3af1f664181707c78bb969ec..977c7aa696bc027b6662bb8b0514d066eedfa179 100644
--- a/node_wrangler.py
+++ b/node_wrangler.py
@@ -1307,12 +1307,12 @@ class NWDeleteUnused(Operator, NWBase):
             while repeat:
                 frames_in_use = []
                 frames = []
-                print ("iter")
                 repeat = False
                 for node in nodes:
                     if node.parent:
                         frames_in_use.append(node.parent)
-                    if node.type == 'FRAME':
+                for node in nodes:
+                    if node.type == 'FRAME' and node not in frames_in_use:
                         frames.append(node)
                         if node.parent:
                             repeat = True  # repeat for nested frames