diff --git a/libs/ardour/ardour/rc_configuration_vars.h b/libs/ardour/ardour/rc_configuration_vars.h
index 8a7f9f081b..a9261c8590 100644
--- a/libs/ardour/ardour/rc_configuration_vars.h
+++ b/libs/ardour/ardour/rc_configuration_vars.h
@@ -236,7 +236,6 @@ CONFIG_VARIABLE (bool, use_macvst, "use-macvst", true)
 CONFIG_VARIABLE (bool, use_audio_units, "use-audio-units", true)
 CONFIG_VARIABLE (bool, use_vst3, "use-vst3", true)
 CONFIG_VARIABLE (bool, discover_plugins_on_start, "discover-plugins-on-start", false)
-CONFIG_VARIABLE (bool, discover_vst_on_start, "discover-vst-on-start", false)
 CONFIG_VARIABLE (bool, verbose_plugin_scan, "verbose-plugin-scan", false)
 CONFIG_VARIABLE (bool, conceal_lv1_if_lv2_exists, "conceal-lv1-if-lv2-exists", true)
 CONFIG_VARIABLE (bool, conceal_vst2_if_vst3_exists, "conceal-vst2-if-vst3-exists", true)