diff --git a/src/schemas/nodeDef/nodeDefSchemaV2.ts b/src/schemas/nodeDef/nodeDefSchemaV2.ts
index 277b469f2..7cd9c2675 100644
--- a/src/schemas/nodeDef/nodeDefSchemaV2.ts
+++ b/src/schemas/nodeDef/nodeDefSchemaV2.ts
@@ -224,7 +224,7 @@ type StringInputSpec = z.infer<typeof zStringInputSpec>
 export type ComboInputSpec = z.infer<typeof zComboInputSpec>
 export type ColorInputSpec = z.infer<typeof zColorInputSpec>
 export type FileUploadInputSpec = z.infer<typeof zFileUploadInputSpec>
-export type ImageInputSpec = z.infer<typeof zImageInputSpec>
+type ImageInputSpec = z.infer<typeof zImageInputSpec>
 export type ImageCompareInputSpec = z.infer<typeof zImageCompareInputSpec>
 export type TreeSelectInputSpec = z.infer<typeof zTreeSelectInputSpec>
 export type MultiSelectInputSpec = z.infer<typeof zMultiSelectInputSpec>
@@ -310,7 +310,8 @@ export const isFileUploadInputSpec = (
   return inputSpec.type === 'FILEUPLOAD'
 }
 
-export const isImageInputSpec = (
+// @ts-expect-error - will be used in future IMAGE widget implementation
+const isImageInputSpec = (
   inputSpec: InputSpec
 ): inputSpec is ImageInputSpec => {
   return inputSpec.type === 'IMAGE'