diff --git a/apps/dokploy/server/api/routers/application.ts b/apps/dokploy/server/api/routers/application.ts
index e1bbedcb9..b6e2a3ee4 100644
--- a/apps/dokploy/server/api/routers/application.ts
+++ b/apps/dokploy/server/api/routers/application.ts
@@ -4,6 +4,7 @@ import {
 	deleteAllMiddlewares,
 	findApplicationById,
 	findEnvironmentById,
+	findPreviewDeploymentsByApplicationId,
 	findProjectById,
 	getAccessibleServerIds,
 	getApplicationStats,
@@ -16,6 +17,7 @@ import {
 	removeDeployments,
 	removeDirectoryCode,
 	removeMonitoringDirectory,
+	removePreviewDeployment,
 	removeService,
 	removeTraefikConfig,
 	startService,
@@ -234,6 +236,15 @@ export const applicationRouter = createTRPCRouter({
 				});
 			}
 
+			const previewDeploymentsList =
+				await findPreviewDeploymentsByApplicationId(input.applicationId);
+
+			for (const previewDeployment of previewDeploymentsList) {
+				try {
+					await removePreviewDeployment(previewDeployment.previewDeploymentId);
+				} catch (_) {}
+			}
+
 			const result = await db
 				.delete(applications)
 				.where(eq(applications.applicationId, input.applicationId))