diff --git a/backend/dataconnect/connector/certificate/mutations.gql b/backend/dataconnect/connector/certificate/mutations.gql
index f90177e9..85696666 100644
--- a/backend/dataconnect/connector/certificate/mutations.gql
+++ b/backend/dataconnect/connector/certificate/mutations.gql
@@ -88,7 +88,6 @@ mutation upsertStaffCertificate(
   $issuer: String
   $certificateNumber: String
   $validationStatus: ValidationStatus
-  $verificationId: String
 ) @auth(level: USER, insecureReason: "The staffId refers to the staff being modified. Ownership is verified at the application layer.") {
   certificate_upsert(
     data: {
@@ -101,7 +100,6 @@ mutation upsertStaffCertificate(
       issuer: $issuer
       certificateNumber: $certificateNumber
       validationStatus: $validationStatus
-      verificationId: $verificationId
     }
   )
 }