diff --git a/libs/ardour/ardour/session_directory.h b/libs/ardour/ardour/session_directory.h
index 53bbbcfffb..dad96c40e5 100644
--- a/libs/ardour/ardour/session_directory.h
+++ b/libs/ardour/ardour/session_directory.h
@@ -79,13 +79,6 @@ public:
 	 */
 	const std::string midi_path () const;
 
-	/**
-	 * @return the absolute path to the directory in which
-	 * the session stores MIDNAM patch files, ie
-	 * root_path()/interchange/session_name/patchfiles
-	 */
-	const std::string midi_patch_path () const;
-
 	/**
 	 * @return The absolute path to the directory in which all
 	 * peak files are stored for a session.
diff --git a/libs/ardour/session.cc b/libs/ardour/session.cc
index d621ef76a3..62660c9fa2 100644
--- a/libs/ardour/session.cc
+++ b/libs/ardour/session.cc
@@ -561,8 +561,6 @@ Session::destroy ()
 	/* stop auto dis/connecting */
 	auto_connect_thread_terminate ();
 
-	MIDI::Name::MidiPatchManager::instance().remove_search_path(session_directory().midi_patch_path());
-
 	_engine.remove_session ();
 
 	/* deregister all ports - there will be no process or any other
diff --git a/libs/ardour/session_directory.cc b/libs/ardour/session_directory.cc
index 164b3cef82..7c5d8db0c1 100644
--- a/libs/ardour/session_directory.cc
+++ b/libs/ardour/session_directory.cc
@@ -220,12 +220,6 @@ SessionDirectory::midi_path () const
 	return Glib::build_filename (sources_root(), midi_dir_name);
 }
 
-const std::string
-SessionDirectory::midi_patch_path () const
-{
-	return Glib::build_filename (sources_root(), midi_patch_dir_name);
-}
-
 const std::string
 SessionDirectory::video_path () const
 {