diff --git a/harmony/src/modules/application/feature.rs b/harmony/src/modules/application/feature.rs
index 260f818..870745e 100644
--- a/harmony/src/modules/application/feature.rs
+++ b/harmony/src/modules/application/feature.rs
@@ -3,7 +3,6 @@ use serde::Serialize;
 
 use crate::topology::Topology;
 
-use super::Application;
 /// An ApplicationFeature provided by harmony, such as Backups, Monitoring, MultisiteAvailability,
 /// ContinuousIntegration, ContinuousDelivery
 #[async_trait]
diff --git a/harmony/src/modules/application/features/argo_types.rs b/harmony/src/modules/application/features/argo_types.rs
index 2c7a077..41ba8a3 100644
--- a/harmony/src/modules/application/features/argo_types.rs
+++ b/harmony/src/modules/application/features/argo_types.rs
@@ -3,7 +3,7 @@ use std::{backtrace, collections::HashMap};
 use k8s_openapi::{Metadata, NamespaceResourceScope, Resource};
 use log::debug;
 use serde::Serialize;
-use serde_yaml::{Mapping, Value};
+use serde_yaml::Value;
 use url::Url;
 
 use crate::modules::application::features::CDApplicationConfig;
@@ -186,7 +186,7 @@ impl ArgoApplication {
         let project = &self.project;
         let source = &self.source;
 
-        let mut yaml_str = format!(
+        let yaml_str = format!(
             r#"
 apiVersion: argoproj.io/v1alpha1
 kind: Application
@@ -210,20 +210,148 @@ spec:
 "#
         );
 
-        yaml_str.push_str(
-            &serde_yaml::to_string(&source.clone())
-                .expect("couldn't serialize source to yaml string"),
+        let mut yaml_value: Value =
+            serde_yaml::from_str(yaml_str.as_str()).expect("couldn't parse string to YAML");
+
+        let mut spec = yaml_value
+            .get_mut("spec")
+            .expect("couldn't get spec from yaml")
+            .as_mapping_mut()
+            .expect("couldn't unwrap spec as mutable mapping");
+
+        let source =
+            serde_yaml::to_value(&self.source).expect("couldn't serialize source to value");
+        let sync_policy = serde_yaml::to_value(&self.sync_policy)
+            .expect("couldn't serialize sync_policy to value");
+        let revision_history_limit = serde_yaml::to_value(&self.revision_history_limit)
+            .expect("couldn't serialize revision_history_limit to value");
+
+        spec.insert(
+            serde_yaml::to_value("source").expect("string to value failed"),
+            source,
         );
-        yaml_str.push_str(
-            &serde_yaml::to_string(&self.sync_policy)
-                .expect("couldn't serialize sync policy to yaml string"),
+        spec.insert(
+            serde_yaml::to_value("syncPolicy").expect("string to value failed"),
+            sync_policy,
         );
-        yaml_str.push_str(
-            &serde_yaml::to_string(&self.revision_history_limit)
-                .expect("couldn't serialize revision history to yaml string"),
+        spec.insert(
+            serde_yaml::to_value("revisionHistoryLimit")
+                .expect("couldn't convert str to yaml value"),
+            revision_history_limit,
         );
 
-        debug!("yaml serialize of :\n{yaml_str}");
-        serde_yaml::from_str(&yaml_str).expect("Couldn't parse YAML")
+        debug!("spec: {}", serde_yaml::to_string(spec).unwrap());
+        debug!(
+            "entire yaml_value: {}",
+            serde_yaml::to_string(&yaml_value).unwrap()
+        );
+
+        yaml_value
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use url::Url;
+
+    use crate::modules::application::features::{
+        ArgoApplication, Automated, Backoff, Helm, Retry, Source, SyncPolicy,
+    };
+
+    #[test]
+    fn test_argo_application_to_yaml_happy_path() {
+        let app = ArgoApplication {
+            name: "test".to_string(),
+            namespace: Some("test-ns".to_string()),
+            project: "test-project".to_string(),
+            source: Source {
+                repo_url: Url::parse("http://test").unwrap(),
+                target_revision: None,
+                chart: "test-chart".to_string(),
+                helm: Helm {
+                    pass_credentials: None,
+                    parameters: vec![],
+                    file_parameters: vec![],
+                    release_name: Some("test-release-neame".to_string()),
+                    value_files: vec![],
+                    ignore_missing_value_files: None,
+                    values: None,
+                    values_object: None,
+                    skip_crds: None,
+                    skip_schema_validation: None,
+                    version: None,
+                    kube_version: None,
+                    api_versions: vec![],
+                    namespace: None,
+                },
+            },
+            sync_policy: SyncPolicy {
+                automated: Automated {
+                    prune: false,
+                    self_heal: false,
+                    allow_empty: false,
+                },
+                sync_options: vec![],
+                retry: Retry {
+                    limit: 5,
+                    backoff: Backoff {
+                        duration: "5s".to_string(),
+                        factor: 2,
+                        max_duration: "3m".to_string(),
+                    },
+                },
+            },
+            revision_history_limit: 10,
+        };
+
+        let expected_yaml_output = r#"apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: test
+  namespace: test-ns
+spec:
+  project: test-project
+  destination:
+    server: https://kubernetes.default.svc
+    namespace: test-ns
+  source:
+    repoUrl: http://test/
+    targetRevision: null
+    chart: test-chart
+    helm:
+      passCredentials: null
+      parameters: []
+      fileParameters: []
+      releaseName: test-release-neame
+      valueFiles: []
+      ignoreMissingValueFiles: null
+      values: null
+      valuesObject: null
+      skipCrds: null
+      skipSchemaValidation: null
+      version: null
+      kubeVersion: null
+      apiVersions: []
+      namespace: null
+  syncPolicy:
+    automated:
+      prune: false
+      selfHeal: false
+      allowEmpty: false
+    syncOptions: []
+    retry:
+      limit: 5
+      backoff:
+        duration: 5s
+        factor: 2
+        maxDuration: 3m
+  revisionHistoryLimit: 10"#;
+
+        assert_eq!(
+            expected_yaml_output.trim(),
+            serde_yaml::to_string(&app.clone().to_yaml())
+                .unwrap()
+                .trim()
+        );
     }
 }
diff --git a/harmony/src/modules/application/features/endpoint.rs b/harmony/src/modules/application/features/endpoint.rs
index d4bff3a..042f0dd 100644
--- a/harmony/src/modules/application/features/endpoint.rs
+++ b/harmony/src/modules/application/features/endpoint.rs
@@ -2,7 +2,7 @@ use async_trait::async_trait;
 use log::info;
 
 use crate::{
-    modules::application::{Application, ApplicationFeature},
+    modules::application::ApplicationFeature,
     topology::{K8sclient, Topology},
 };
 
diff --git a/harmony/src/modules/monitoring/kube_prometheus/prometheus.rs b/harmony/src/modules/monitoring/kube_prometheus/prometheus.rs
index f9d8944..137ad6f 100644
--- a/harmony/src/modules/monitoring/kube_prometheus/prometheus.rs
+++ b/harmony/src/modules/monitoring/kube_prometheus/prometheus.rs
@@ -10,7 +10,7 @@ use crate::{
     modules::monitoring::alert_rule::prometheus_alert_rule::AlertManagerRuleGroup,
     score,
     topology::{
-        HelmCommand, K8sAnywhereTopology, Topology,
+        HelmCommand, Topology,
         installable::Installable,
         oberservability::monitoring::{AlertReceiver, AlertRule, AlertSender},
         tenant::TenantManager,