diff --git a/Charts/ioc-instance/templates/deployment.yaml b/Charts/ioc-instance/templates/deployment.yaml
index 398c854..ddc56a3 100644
--- a/Charts/ioc-instance/templates/deployment.yaml
+++ b/Charts/ioc-instance/templates/deployment.yaml
@@ -69,17 +69,6 @@ spec:
             path: {{ .Values.dataVolume.hostPath }}
             type: Directory
         {{- end }}
-        {{- range .Values.hostMounts }}
-        - name: {{ .name }}
-          hostPath:
-            path: {{ .hostPath }}
-            type: Directory
-        {{- end }}
-        {{- range .Values.pvClaims }}
-        - name: {{ .name }}
-          persistentVolumeClaim:
-            claimName: {{ .claimName }}
-        {{- end }}
         - name: config-volume
           configMap:
             name: {{ .Release.Name }}-config
@@ -128,14 +117,8 @@ spec:
         - name: autosave-volume
           mountPath: /autosave
           subPath: "{{ .Release.Name }}"
-        {{- range .Values.hostMounts }}
-        - name: {{ .name }}
-          mountPath: {{ .mountPath }}
-        {{- end }}
-        {{- range .Values.pvClaims }}
-        - name: {{ .name }}
-          mountPath: {{ .mountPath }}
-          subPath: {{ .subPath | default "/" }}
+        {{- if .Values.volumeMounts }}
+{{  toYaml .Values.volumeMounts | indent 8}}
         {{- end }}
         stdin: true
         tty: true
diff --git a/Charts/ioc-instance/values.yaml b/Charts/ioc-instance/values.yaml
index acd30f7..c131ea8 100644
--- a/Charts/ioc-instance/values.yaml
+++ b/Charts/ioc-instance/values.yaml
@@ -76,21 +76,6 @@ dataVolume:
   # inside/outside container paths.
   hostPath: /data
 
-# additional host mounts if required
-hostMounts: []
-# e.g.
-# - name: andorusb
-#   hostPath: /dev/andorusb
-#   mountPath: /dev/andorusb
-
-# additoonal
-pvClaims: []
-# e.g.
-# - name: nfsv2-tftp
-#   claimName: nfsv2-tftp
-#   mountPath: "ioc-group/ioc-name"
-#   subPath: "ioc-group/ioc-name"
-
 # use the shared PVC for publishing opi files over http (see services/opis)
 opisClaim: ""
 # use the shared PVC for holding runtime files for each IOC
@@ -127,8 +112,7 @@ affinity: {}
   #             - bl01t
 
 # If specified, the pod's tolerations.
-tolerations:
-  []
+tolerations: []
   # - key: location
   #   operator: Equal
   #   value: bl01t
@@ -141,4 +125,4 @@ resources:
     memory: 256Mi
   requests:
     cpu: 100m
-    memory: 64Mi
+    memory: 64Mi
\ No newline at end of file
diff --git a/Schemas/ioc-instance.schema.json b/Schemas/ioc-instance.schema.json
index 39ed405..3c3a29f 100644
--- a/Schemas/ioc-instance.schema.json
+++ b/Schemas/ioc-instance.schema.json
@@ -1,5 +1,4 @@
-{
-  "title": "Values",
+{ "title": "Values",
   "type": "object",
   "$schema": "http://json-schema.org/schema#",
   "$ref": "#/$defs/base",
@@ -34,20 +33,6 @@
           "$ref": "https://kubernetesjsonschema.dev/v1.18.1/_definitions.json#/definitions/io.k8s.api.core.v1.PodSpec/properties/hostNetwork",
           "description": "Use host network for IOC - required for Channel Access to work outside of the cluster unless a ca-gateway is in use"
         },
-        "affinity": {
-          "description": "Affinity is a group of affinity scheduling rules.",
-          "oneOf": [
-            {
-              "type": "null"
-            },
-            {
-              "$ref": "https://kubernetesjsonschema.dev/v1.18.1/_definitions.json#/definitions/io.k8s.api.core.v1.PodSpec/properties/affinity"
-            }
-          ]
-        },
-        "nodeName": {
-          "$ref": "https://kubernetesjsonschema.dev/v1.18.1/_definitions.json#/definitions/io.k8s.api.core.v1.PodSpec/properties/nodeName"
-        },
         "iocFolder": {
           "type": "string",
           "description": "Root folder for ioc source/binaries inside generic IOC container",
@@ -105,26 +90,6 @@
             }
           }
         },
-        "hostMounts": {
-          "type": "array",
-          "properties": {
-            "description": "Additional host volumes to mount into the container",
-            "items": {
-              "name": {
-                "type": "string",
-                "description": "volume name"
-              },
-              "hostPath": {
-                "type": "string",
-                "description": "Path to mount on the host"
-              },
-              "mountPath": {
-                "type": "string",
-                "description": "Path to mount in the container"
-              }
-            }
-          }
-        },
         "opisClaim": {
           "type": "string",
           "description": "Use the shared PVC for publishing opi files over http (see services/opis)"
@@ -137,16 +102,17 @@
           "type": "string",
           "description": "Use the shared PVC autosave files (exclude for no autosave)"
         },
-        "resources": {
-          "description": "ResourceRequirements describes the compute resource requirements.",
-          "oneOf": [
-            {
-              "type": "null"
-            },
-            {
-              "$ref": "https://kubernetesjsonschema.dev/v1.18.1/_definitions.json#/definitions/io.k8s.api.core.v1.Container/properties/resources"
-            }
-          ]
+        "volumes": {
+          "$ref": "https://kubernetesjsonschema.dev/v1.18.1/_definitions.json#/definitions/io.k8s.api.core.v1.PodSpec/properties/volumes"
+        },
+        "volumeMounts": {
+          "$ref": "https://kubernetesjsonschema.dev/v1.18.1/_definitions.json#/definitions/io.k8s.api.core.v1.Container/properties/volumeMounts"
+        },
+        "nodeName": {
+          "$ref": "https://kubernetesjsonschema.dev/v1.18.1/_definitions.json#/definitions/io.k8s.api.core.v1.PodSpec/properties/nodeName"
+        },
+        "affinity": {
+          "$ref": "https://kubernetesjsonschema.dev/v1.18.1/_definitions.json#/definitions/io.k8s.api.core.v1.PodSpec/properties/affinity"
         },
         "tolerations": {
           "$ref": "https://kubernetesjsonschema.dev/v1.18.1/_definitions.json#/definitions/io.k8s.api.core.v1.PodSpec/properties/tolerations"