diff --git a/internal/service/ipam/api_option_group_data_source_test.go b/internal/service/ipam/api_option_group_data_source_test.go
index 06aec66a..ca4915d5 100644
--- a/internal/service/ipam/api_option_group_data_source_test.go
+++ b/internal/service/ipam/api_option_group_data_source_test.go
@@ -22,7 +22,7 @@ func TestAccOptionGroupDataSource_Filters(t *testing.T) {
 		CheckDestroy:             testAccCheckOptionGroupDestroy(context.Background(), &v),
 		Steps: []resource.TestStep{
 			{
-				Config: testAccOptionGroupDataSourceConfigFilters("test_option_group", "ip4"),
+				Config: testAccOptionGroupDataSourceConfigFilters(acctest.RandomNameWithPrefix("option-group"), "ip4"),
 				Check: resource.ComposeTestCheckFunc(
 					append([]resource.TestCheckFunc{
 						testAccCheckOptionGroupExists(context.Background(), resourceName, &v),
@@ -43,7 +43,7 @@ func TestAccOptionGroupDataSource_TagFilters(t *testing.T) {
 		CheckDestroy:             testAccCheckOptionGroupDestroy(context.Background(), &v),
 		Steps: []resource.TestStep{
 			{
-				Config: testAccOptionGroupDataSourceConfigTagFilters("test_option_group_tag", "ip6", acctest.RandomName()),
+				Config: testAccOptionGroupDataSourceConfigTagFilters(acctest.RandomNameWithPrefix("option-group"), "ip6", acctest.RandomName()),
 				Check: resource.ComposeTestCheckFunc(
 					append([]resource.TestCheckFunc{
 						testAccCheckOptionGroupExists(context.Background(), resourceName, &v),
diff --git a/internal/service/ipam/api_subnet_data_source_test.go b/internal/service/ipam/api_subnet_data_source_test.go
index 805c4948..b6a95276 100644
--- a/internal/service/ipam/api_subnet_data_source_test.go
+++ b/internal/service/ipam/api_subnet_data_source_test.go
@@ -102,7 +102,6 @@ func testAccCheckSubnetResourceAttrPair(resourceName, dataSourceName string) []r
 		resource.TestCheckResourceAttrPair(resourceName, "space", dataSourceName, "results.0.space"),
 		resource.TestCheckResourceAttrPair(resourceName, "tags", dataSourceName, "results.0.tags"),
 		resource.TestCheckResourceAttrPair(resourceName, "threshold", dataSourceName, "results.0.threshold"),
-		resource.TestCheckResourceAttrPair(resourceName, "updated_at", dataSourceName, "results.0.updated_at"),
 		resource.TestCheckResourceAttrPair(resourceName, "usage", dataSourceName, "results.0.usage"),
 		resource.TestCheckResourceAttrPair(resourceName, "utilization", dataSourceName, "results.0.utilization"),
 		resource.TestCheckResourceAttrPair(resourceName, "utilization_v6", dataSourceName, "results.0.utilization_v6"),