diff --git a/config/config.schema.json b/config/config.schema.json
index 6f683eb4e..1517425a8 100644
--- a/config/config.schema.json
+++ b/config/config.schema.json
@@ -567,27 +567,6 @@
         },
         "subscription": {
           "type": "string"
-        },
-        "istio": {
-          "type": "object",
-          "currentVersion": {
-            "type": "string"
-          },
-          "newVersion": {
-            "type": "string"
-          },
-          "tag": {
-            "type": "string"
-          },
-          "istioctl": {
-            "type": "object",
-            "version": {
-              "type": "string"
-            },
-            "url": {
-              "type": "string"
-            }
-          }
         }
       },
       "additionalProperties": false,