diff --git a/apis/v1alpha1/ingress_type.go b/apis/v1alpha1/ingress_type.go
index 63ff858843..f8cca12697 100644
--- a/apis/v1alpha1/ingress_type.go
+++ b/apis/v1alpha1/ingress_type.go
@@ -21,8 +21,6 @@ type (
 )
 
 const (
-	// IngressTypeNginx specifies that an ingress entry should be created.
-	IngressTypeNginx IngressType = "ingress"
 	// IngressTypeOpenshiftRoute specifies that an route entry should be created.
 	IngressTypeRoute IngressType = "route"
 )
@@ -39,12 +37,6 @@ const (
 	// TLSRouteTerminationTypeEdge indicates that encryption should be terminated
 	// at the edge router.
 	TLSRouteTerminationTypeEdge TLSRouteTerminationType = "edge"
-	// TLSTerminationPassthrough indicates that the destination service is
-	// responsible for decrypting traffic.
-	TLSRouteTerminationTypePassthrough TLSRouteTerminationType = "passthrough"
-	// TLSTerminationReencrypt indicates that traffic will be decrypted on the edge
-	// and re-encrypt using a new certificate.
-	TLSRouteTerminationTypeReencrypt TLSRouteTerminationType = "reencrypt"
 )
 
 // IngressRuleType defines how the collector receivers will be exposed in the Ingress.
@@ -56,8 +48,4 @@ const (
 	// IngressRuleTypePath configures Ingress to use single host with multiple paths.
 	// This configuration might require additional ingress setting to rewrite paths.
 	IngressRuleTypePath IngressRuleType = "path"
-
-	// IngressRuleTypeSubdomain configures Ingress to use multiple hosts - one for each exposed
-	// receiver port. The port name is used as a subdomain for the host defined in the Ingress e.g. otlp-http.example.com.
-	IngressRuleTypeSubdomain IngressRuleType = "subdomain"
 )