diff --git a/api/v1/runtime_types.go b/api/v1/runtime_types.go
index dbbc7c83..b1fb7619 100644
--- a/api/v1/runtime_types.go
+++ b/api/v1/runtime_types.go
@@ -164,7 +164,7 @@ type Kubernetes struct {
 }
 
 type APIServer struct {
-	OidcConfig           gardener.OIDCConfig    `json:"oidcConfig"`
+	OidcConfig           gardener.OIDCConfig    `json:"oidcConfig,omitempty"`
 	AdditionalOidcConfig *[]gardener.OIDCConfig `json:"additionalOidcConfig,omitempty"`
 }
 
diff --git a/config/crd/bases/infrastructuremanager.kyma-project.io_runtimes.yaml b/config/crd/bases/infrastructuremanager.kyma-project.io_runtimes.yaml
index 034516ab..f3743ca0 100644
--- a/config/crd/bases/infrastructuremanager.kyma-project.io_runtimes.yaml
+++ b/config/crd/bases/infrastructuremanager.kyma-project.io_runtimes.yaml
@@ -279,8 +279,6 @@ spec:
                                   the value '-'.
                                 type: string
                             type: object
-                        required:
-                        - oidcConfig
                         type: object
                       version:
                         type: string