diff --git a/x-pack/plugins/fleet/public/hooks/use_agent_version.ts b/x-pack/plugins/fleet/public/hooks/use_agent_version.ts
index 7e9c732f8a8df..8c198dbc7773e 100644
--- a/x-pack/plugins/fleet/public/hooks/use_agent_version.ts
+++ b/x-pack/plugins/fleet/public/hooks/use_agent_version.ts
@@ -23,7 +23,7 @@ export const useAgentVersion = (): string | undefined => {
       try {
         const res = await sendGetAgentsAvailableVersions();
         const availableVersions = res?.data?.items;
-        let agentVersionToUse = kibanaVersion;
+        let agentVersionToUse;
 
         if (
           availableVersions &&