diff --git a/checker/definition.go b/checker/definition.go
index fa6b6e1..06a3ff5 100644
--- a/checker/definition.go
+++ b/checker/definition.go
@@ -19,7 +19,6 @@ func (p *stunTurnProvider) Definition() *sdk.CheckerDefinition {
 		HasHTMLReport:   true,
 		ObservationKeys: []sdk.ObservationKey{ObservationKeyStunTurn},
 		Availability: sdk.CheckerAvailability{
-			ApplyToZone:    true,
 			ApplyToService: true,
 		},
 		Options: sdk.CheckerOptionsDocumentation{