diff --git a/selectel/mks.go b/selectel/mks.go
index 9a47fb64..30b2480a 100644
--- a/selectel/mks.go
+++ b/selectel/mks.go
@@ -553,7 +553,7 @@ func expandMKSNodegroupV1Labels(labels map[string]interface{}) map[string]string
 
 func expandAndValidateMKSClusterV1OIDC(d *schema.ResourceData) (cluster.OIDC, error) {
 	nestedResource := d.Get("oidc").([]any)
-	if nestedResource == nil || len(nestedResource) == 0 {
+	if len(nestedResource) == 0 {
 		return cluster.OIDC{}, nil
 	}
 
diff --git a/selectel/resource_selectel_mks_cluster_v1.go b/selectel/resource_selectel_mks_cluster_v1.go
index e0812078..4914ab7d 100644
--- a/selectel/resource_selectel_mks_cluster_v1.go
+++ b/selectel/resource_selectel_mks_cluster_v1.go
@@ -180,7 +180,7 @@ func resourceMKSClusterV1() *schema.Resource {
 							Type:     schema.TypeString,
 							Optional: true,
 							Default:  "",
-							DiffSuppressFunc: func(k, old, new string, d *schema.ResourceData) bool {
+							DiffSuppressFunc: func(_, old, new string, _ *schema.ResourceData) bool {
 								// Ignore diff on default value from API.
 								return old == "sub" && new == ""
 							},
@@ -189,7 +189,7 @@ func resourceMKSClusterV1() *schema.Resource {
 							Type:     schema.TypeString,
 							Optional: true,
 							Default:  "",
-							DiffSuppressFunc: func(k, old, new string, d *schema.ResourceData) bool {
+							DiffSuppressFunc: func(_, old, new string, _ *schema.ResourceData) bool {
 								// Ignore diff on default value from API.
 								return old == "groups" && new == ""
 							},