diff --git a/odpf/optimus/runtime_service.proto b/odpf/optimus/runtime_service.proto
index c092d984..7f895060 100644
--- a/odpf/optimus/runtime_service.proto
+++ b/odpf/optimus/runtime_service.proto
@@ -85,7 +85,7 @@ service RuntimeService {
     // CheckJobSpecifications checks if the job specifications are valid
     rpc CheckJobSpecifications(CheckJobSpecificationsRequest) returns (stream CheckJobSpecificationsResponse) {}
 
-    // RegisterProject creates a new project
+    // RegisterProject creates a new optimus project
     rpc RegisterProject(RegisterProjectRequest) returns (RegisterProjectResponse) {
         option (google.api.http) = {
             post: "/api/v1/project"
@@ -314,10 +314,6 @@ message VersionResponse {
 message DeployJobSpecificationRequest {
     string project_name = 1; // unique project identifier
     repeated JobSpecification jobs = 2;
-
-    // TODO: not implemented yet, default behaviour is to treat this true always till then
-    // bool synchronize = 3; // deletes job that are not sent as part of this deployment
-
     string namespace = 4;
 }
 
diff --git a/odpf/optimus/task_plugin.proto b/odpf/optimus/task_plugin.proto
index a491453b..faa83df4 100644
--- a/odpf/optimus/task_plugin.proto
+++ b/odpf/optimus/task_plugin.proto
@@ -61,14 +61,19 @@ message GetTaskSchema {
 }
 
 message PluginQuestion {
+    reserved 6, 7;
+
     string name = 1;
     string prompt = 2;
     string help = 3;
     string default = 4;
     repeated string multiselect = 5;
 
-    string sub_questions_if_value = 6;
-    repeated PluginQuestion sub_questions = 7;
+    message SubQuestion {
+        string if_value = 1;
+        repeated PluginQuestion questions = 2;
+    }
+    repeated SubQuestion sub_questions = 8;
 }
 
 message PluginAnswer {