diff --git a/packages/shared/src/dto/step-schemas/json-schema-dto.ts b/packages/shared/src/dto/step-schemas/json-schema-dto.ts
index 9721181c708..b92311149f7 100644
--- a/packages/shared/src/dto/step-schemas/json-schema-dto.ts
+++ b/packages/shared/src/dto/step-schemas/json-schema-dto.ts
@@ -71,11 +71,4 @@ export interface JSONSchemaDto {
   readOnly?: boolean | undefined;
   writeOnly?: boolean | undefined;
   examples?: JSONSchemaType | undefined;
-
-  // Custom extensions property
-  extensions?:
-    | {
-        [key: string]: unknown; // Allows for any additional properties
-      }
-    | undefined;
 }