diff --git a/src/kili/adapters/kili_api_gateway/project_workflow/mappers.py b/src/kili/adapters/kili_api_gateway/project_workflow/mappers.py
index 4e13af98f..334d75548 100644
--- a/src/kili/adapters/kili_api_gateway/project_workflow/mappers.py
+++ b/src/kili/adapters/kili_api_gateway/project_workflow/mappers.py
@@ -2,8 +2,6 @@
 
 from typing import Dict, Union
 
-from cuid import cuid
-
 from kili.domain.project import WorkflowStepCreate, WorkflowStepUpdate
 
 from .types import ProjectWorkflowDataKiliAPIGatewayInput
@@ -28,7 +26,7 @@ def project_input_mapper(data: ProjectWorkflowDataKiliAPIGatewayInput) -> Dict:
 def update_step_mapper(data: Union[WorkflowStepCreate, WorkflowStepUpdate]) -> Dict:
     """Build the GraphQL create StepData variable to be sent in an operation."""
     step = {
-        "id": data["id"] if "id" in data else cuid(),
+        "id": data["id"] if "id" in data else None,
         "name": data["name"] if "name" in data else None,
         "consensusCoverage": data["consensus_coverage"] if "consensus_coverage" in data else None,
         "numberOfExpectedLabelsForConsensus": data["number_of_expected_labels_for_consensus"]
diff --git a/src/kili/domain/project.py b/src/kili/domain/project.py
index 126a288c1..28686d2a6 100644
--- a/src/kili/domain/project.py
+++ b/src/kili/domain/project.py
@@ -41,7 +41,7 @@ class WorkflowStepCreate(TypedDict, total=False):
 class WorkflowStepUpdate(TypedDict, total=False):
     """Project workflow step."""
 
-    id: Required[str]
+    id: Optional[str]
     name: Optional[str]
     consensus_coverage: Optional[int]
     number_of_expected_labels_for_consensus: Optional[int]
diff --git a/src/kili/presentation/client/project_workflow.py b/src/kili/presentation/client/project_workflow.py
index 5f6786716..e537de58e 100644
--- a/src/kili/presentation/client/project_workflow.py
+++ b/src/kili/presentation/client/project_workflow.py
@@ -31,7 +31,7 @@ def update_project_workflow(
                 ensuring independent review and labeling processes
             create_steps: List of steps to create in the project workflow.
             update_steps: List of steps to update in the project workflow.
-            delete_steps: List of step IDs to delete from the project workflow.
+            delete_steps: List of step IDs or names to delete from the project workflow.
 
         Returns:
             A dict with the changed properties which indicates if the mutation was successful,