diff --git a/libs/ardour/plugin.cc b/libs/ardour/plugin.cc
index b1fb43fc8f..b1cb97a475 100644
--- a/libs/ardour/plugin.cc
+++ b/libs/ardour/plugin.cc
@@ -31,7 +31,6 @@
 
 #include <pbd/compose.h>
 #include <pbd/error.h>
-#include <pbd/pathscanner.h>
 #include <pbd/xml++.h>
 
 #include <ardour/ardour.h>