diff --git a/.gitignore b/.gitignore
index 243942af..416cd7ef 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ vendor/
 .vscode
 build
 doc
+__debug*
diff --git a/Makefile b/Makefile
index 8edba547..1a4bc17a 100644
--- a/Makefile
+++ b/Makefile
@@ -81,7 +81,7 @@ coverage: vendor
 ACC_TEST_FILE_LOCATION=github.com/HewlettPackard/hpegl-vmaas-terraform-resources/internal/acceptance_test
 acceptance:
 	@if [ "${case}" != "" ]; then \
-		TF_ACC=true go test -parallel 2 -run $(case) -v -timeout=20000s -cover $(ACC_TEST_FILE_LOCATION); \
+		TF_ACC=true go test -parallel 1 -run $(case) -v -timeout=20000s -cover $(ACC_TEST_FILE_LOCATION); \
 	else \
 		TF_ACC=true go test -parallel 4 -v -timeout=50000s -cover $(ACC_TEST_FILE_LOCATION);\
 	fi
diff --git a/internal/resources/resource_instances_helper.go b/internal/resources/resource_instances_helper.go
index 687d05ad..72e3b3a2 100644
--- a/internal/resources/resource_instances_helper.go
+++ b/internal/resources/resource_instances_helper.go
@@ -1,4 +1,4 @@
-// (C) Copyright 2021 Hewlett Packard Enterprise Development LP
+// (C) Copyright 2021-2024 Hewlett Packard Enterprise Development LP
 
 package resources
 
@@ -112,7 +112,6 @@ func getInstanceDefaultSchema(isClone bool) *schema.Resource {
 						"name": {
 							Type:        schema.TypeString,
 							Computed:    true,
-							Optional:    true,
 							Description: "name of the interface",
 						},
 					},