From 1765f25ecd3410fffd6ae9a35da96374ecb67abb Mon Sep 17 00:00:00 2001
From: Jakub Jezek <jakubjezek001@gmail.com>
Date: Thu, 28 Apr 2022 20:48:46 +0200
Subject: [PATCH] nuke: removing knob preset if no value in override

---
 openpype/hosts/nuke/api/lib.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/openpype/hosts/nuke/api/lib.py b/openpype/hosts/nuke/api/lib.py
index 3745bd7be7..3223feaec7 100644
--- a/openpype/hosts/nuke/api/lib.py
+++ b/openpype/hosts/nuke/api/lib.py
@@ -560,7 +560,13 @@ def get_created_node_imageio_setting(**kwarg):
                         "_ overriding knob: `{}` > `{}`".format(
                             knob, oknob
                         ))
-                    knob["value"] = oknob["value"]
+                    if not oknob["value"]:
+                        # remove original knob if no value found in oknob
+                        imageio_node["knobs"].remove(knob)
+                    else:
+                        # override knob value with oknob's
+                        knob["value"] = oknob["value"]
+
                 # add missing knobs into imageio_node
                 if oknob["name"] not in knob_names:
                     log.debug(