diff --git a/x-pack/plugins/fleet/common/experimental_features.ts b/x-pack/plugins/fleet/common/experimental_features.ts
index 37acc7b056917..e25afe310f5e4 100644
--- a/x-pack/plugins/fleet/common/experimental_features.ts
+++ b/x-pack/plugins/fleet/common/experimental_features.ts
@@ -19,7 +19,7 @@ export const allowedExperimentalValues = Object.freeze({
   experimentalDataStreamSettings: false,
   displayAgentMetrics: true,
   showIntegrationsSubcategories: false,
-  agentFqdnMode: true,
+  agentFqdnMode: false,
 });
 
 type ExperimentalConfigKeys = Array<keyof ExperimentalFeatures>;