diff --git a/pkg/cleanup/cleanup.go b/pkg/cleanup/cleanup.go
deleted file mode 100644
index 755290a4..00000000
--- a/pkg/cleanup/cleanup.go
+++ /dev/null
@@ -1,57 +0,0 @@
-// SPDX-License-Identifier: Apache-2.0
-// Copyright 2023 Authors of Nimbus
-
-package cleanup
-
-/*
-import (
-	"context"
-
-	"github.com/go-logr/logr"
-	"sigs.k8s.io/controller-runtime/pkg/client"
-
-	intentv1 "github.com/5GSEC/nimbus/pkg/api/v1"
-	general "github.com/5GSEC/nimbus/pkg/controllers/general"
-	policy "github.com/5GSEC/nimbus/pkg/controllers/policy"
-)
-
-// Cleanup is a function to clean up SecurityIntent resources.
-// It removes all policies associated with each SecurityIntent before deleting the SecurityIntent itself.
-func Cleanup(ctx context.Context, k8sClient client.Client, logger logr.Logger) error {
-
-	// Logging the start of the cleanup process.
-	logger.Info("Performing cleanup")
-
-	var securityIntentBindings intentv1.SecurityIntentBindingList
-	if err := k8sClient.List(ctx, &securityIntentBindings); err != nil {
-		logger.Error(err, "Unable to list SecurityIntentBinding resources for cleanup")
-		return err
-	}
-
-	if len(securityIntentBindings.Items) == 0 {
-		logger.Info("No SecurityIntentBinding resources found for cleanup")
-		return nil
-	}
-
-	npc := policy.NewNetworkPolicyController(k8sClient, nil)
-
-	// Iterating over each SecurityIntent to delete associated policies.
-	for _, binding := range securityIntentBindings.Items {
-		bindingCopy := binding
-		bindingInfo := &general.BindingInfo{
-			Binding: &bindingCopy,
-		}
-
-		// Deleting network policies associated with the current SecurityIntent.
-		if err := npc.DeletePolicy(ctx, bindingInfo); err != nil {
-			logger.Error(err, "Failed to delete network policy for SecurityIntentBinding", "Name", bindingCopy.Name)
-			return err
-		}
-		if err := k8sClient.Delete(ctx, &bindingCopy); err != nil {
-			logger.Error(err, "Failed to delete SecurityIntentBinding", "Name", bindingCopy.Name)
-			continue
-		}
-	}
-	return nil
-}
-*/
diff --git a/pkg/receiver/securityintentbinding/securityintentbinding_controller.go b/pkg/receiver/securityintentbinding/securityintentbinding_controller.go
index 0b5562d3..789c47fc 100644
--- a/pkg/receiver/securityintentbinding/securityintentbinding_controller.go
+++ b/pkg/receiver/securityintentbinding/securityintentbinding_controller.go
@@ -7,7 +7,9 @@ import (
 	"context"
 	"fmt"
 
+	"k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/types"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
 	"sigs.k8s.io/controller-runtime/pkg/log"
@@ -76,6 +78,23 @@ func (r *SecurityIntentBindingReconciler) Reconcile(ctx context.Context, req ctr
 		log.Info("SecurityIntentBinding resource found", "Name", req.Name, "Namespace", req.Namespace)
 	} else {
 		log.Info("SecurityIntentBinding resource not found", "Name", req.Name, "Namespace", req.Namespace)
+
+		// Delete associated NimbusPolicy if exists
+		nimbusPolicy := &v1.NimbusPolicy{}
+		err := r.Get(ctx, types.NamespacedName{Name: req.Name, Namespace: req.Namespace}, nimbusPolicy)
+		if err != nil && !errors.IsNotFound(err) {
+			log.Error(err, "Failed to get NimbusPolicy for deletion")
+			return ctrl.Result{}, err
+		}
+		if err == nil {
+			// NimbusPolicy exists, delete it
+			if err := r.Delete(ctx, nimbusPolicy); err != nil {
+				log.Error(err, "Failed to delete NimbusPolicy")
+				return ctrl.Result{}, err
+			}
+			log.Info("Deleted NimbusPolicy due to SecurityIntentBinding deletion", "NimbusPolicy", req.NamespacedName)
+		}
+		return ctrl.Result{}, nil
 	}
 
 	// Call the MatchAndBindIntents function to generate the binding information.
diff --git a/scripts/cleanup.sh b/scripts/cleanup.sh
new file mode 100755
index 00000000..547cbbf7
--- /dev/null
+++ b/scripts/cleanup.sh
@@ -0,0 +1,15 @@
+# SPDX-License-Identifier: Apache-2.0
+# Copyright 2023 Authors of Nimbus
+
+#!/bin/bash
+
+# Delete all SecurityIntent resources
+kubectl delete securityintents --all --all-namespaces
+
+# Delete all SecurityIntentBinding resources
+kubectl delete securityintentbindings --all --all-namespaces
+
+# Delete all NimbusPolicy resources
+kubectl delete nimbuspolicies --all --all-namespaces
+
+echo "All resources have been successfully deleted."
\ No newline at end of file