diff --git a/internal/pkg/agent/application/paths/common.go b/internal/pkg/agent/application/paths/common.go
index a02467abe0f..c36dbef8ae5 100644
--- a/internal/pkg/agent/application/paths/common.go
+++ b/internal/pkg/agent/application/paths/common.go
@@ -59,7 +59,7 @@ func init() {
 	fs.StringVar(&configPath, "path.config", configPath, "Config path is the directory Agent looks for its config file")
 	fs.StringVar(&configFilePath, "c", DefaultConfigName, "Configuration file, relative to path.config")
 	fs.StringVar(&logsPath, "path.logs", logsPath, "Logs path contains Agent log output")
-	fs.StringVar(&installPath, "path.install", installPath, "Install path contains binaries Agent extracts")
+	fs.StringVar(&installPath, "path.install", installPath, "DEPRECATED, setting this flag has no effect since v8.6.0")
 
 	// enable user to download update artifacts to alternative place
 	// TODO: remove path.downloads support on next major (this can be configured using `agent.download.targetDirectory`)