diff --git a/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-host/merge_yamls.py b/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-host/merge_yamls.py
index 877e3eb..5e6c4b5 100755
--- a/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-host/merge_yamls.py
+++ b/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-host/merge_yamls.py
@@ -12,11 +12,6 @@
 import yaml
 import copy
 
-# Custom representer for None types. This is to handle empty dictionaries.
-# By default Pyyaml outputs these as "null", whereas we want an empty character.
-def represent_none(self, _):
-    return self.represent_scalar('tag:yaml.org,2002:null', '')
-
 def dict_merge(target, source):
     """Deep merge for dicts.
 
@@ -48,8 +43,6 @@
     # No overrides to handle
     sys.exit(0)
 
-yaml.add_representer(type(None), represent_none)
-
 target_filename = sys.argv[1]
 with open(target_filename) as target_file:
     data = yaml.safe_load(target_file)
diff --git a/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-sensor-inventory-mrw-config/config.yaml b/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-sensor-inventory-mrw-config/config.yaml
index 8188612..ec82afe 100644
--- a/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-sensor-inventory-mrw-config/config.yaml
+++ b/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-sensor-inventory-mrw-config/config.yaml
@@ -207,7 +207,6 @@
             type: "bool"
             assert: true
             deassert: false
-    xyz.openbmc_project.Inventory.Item.Accelerator:
 # Field replaceable doesn't come as a sensor data
 # but we know that GPU is Field replaceable so setting
 # true in both cases.