diff --git a/leaderelection/config.go b/leaderelection/config.go
index 3d9df1dc79..8d785c522d 100644
--- a/leaderelection/config.go
+++ b/leaderelection/config.go
@@ -25,7 +25,6 @@ import (
 
 	"github.com/kelseyhightower/envconfig"
 	corev1 "k8s.io/api/core/v1"
-	"k8s.io/apimachinery/pkg/util/sets"
 	"k8s.io/apimachinery/pkg/util/uuid"
 	"k8s.io/client-go/tools/leaderelection/resourcelock"
 
@@ -79,11 +78,6 @@ type Config struct {
 	LeaseDuration time.Duration
 	RenewDeadline time.Duration
 	RetryPeriod   time.Duration
-
-	// This field is deprecated and will be removed once downstream
-	// repositories have removed their validation of it.
-	// TODO(https://github.com/knative/pkg/issues/1478): Remove this field.
-	EnabledComponents sets.String
 }
 
 func (c *Config) GetComponentConfig(name string) ComponentConfig {