diff --git a/backend/schema/components/proxy-host-object.json b/backend/schema/components/proxy-host-object.json
index 5098802..e9dcacb 100644
--- a/backend/schema/components/proxy-host-object.json
+++ b/backend/schema/components/proxy-host-object.json
@@ -22,8 +22,7 @@
 		"enabled",
 		"locations",
 		"hsts_enabled",
-		"hsts_subdomains",
-		"certificate"
+		"hsts_subdomains"
 	],
 	"additionalProperties": false,
 	"properties": {