6 files changed, 2 insertions, 9 deletions
diff --git a/libs/ardour/ardour/audio_unit.h b/libs/ardour/ardour/audio_unit.h
index 79f75c5ec0..562f7cc300 100644
--- a/libs/ardour/ardour/audio_unit.h
+++ b/libs/ardour/ardour/audio_unit.h
@@ -90,7 +90,6 @@ class LIBARDOUR_API AUPlugin : public ARDOUR::Plugin
 	std::string describe_parameter (Evoral::Parameter);
 	IOPortDescription describe_io_port (DataType dt, bool input, uint32_t id) const;
 	std::string state_node_name () const { return "audiounit"; }
-	void print_parameter (uint32_t, char*, uint32_t len) const;
 
 	bool parameter_is_audio (uint32_t) const;
 	bool parameter_is_control (uint32_t) const;
diff --git a/libs/ardour/ardour/ladspa_plugin.h b/libs/ardour/ardour/ladspa_plugin.h
index 1557ef1ec3..de57586b0d 100644
--- a/libs/ardour/ardour/ladspa_plugin.h
+++ b/libs/ardour/ardour/ladspa_plugin.h
@@ -88,7 +88,6 @@ class LIBARDOUR_API LadspaPlugin : public ARDOUR::Plugin
 
 	std::string describe_parameter (Evoral::Parameter);
 	std::string state_node_name() const { return "ladspa"; }
-	void        print_parameter (uint32_t, char*, uint32_t len) const;
 
 	bool parameter_is_audio(uint32_t) const;
 	bool parameter_is_control(uint32_t) const;
diff --git a/libs/ardour/ardour/luaproc.h b/libs/ardour/ardour/luaproc.h
index d311ebfcf6..d354bd8e51 100644
--- a/libs/ardour/ardour/luaproc.h
+++ b/libs/ardour/ardour/luaproc.h
@@ -92,7 +92,6 @@ public:
 			pframes_t nframes, samplecnt_t offset);
 
 	std::string describe_parameter (Evoral::Parameter);
-	void        print_parameter (uint32_t, char*, uint32_t len) const;
 	boost::shared_ptr<ScalePoints> get_scale_points(uint32_t port_index) const;
 
 	bool parameter_is_audio (uint32_t) const { return false; }
diff --git a/libs/ardour/ardour/lv2_plugin.h b/libs/ardour/ardour/lv2_plugin.h
index e9f6bf0d09..9ec937edd0 100644
--- a/libs/ardour/ardour/lv2_plugin.h
+++ b/libs/ardour/ardour/lv2_plugin.h
@@ -118,10 +118,6 @@ class LIBARDOUR_API LV2Plugin : public ARDOUR::Plugin, public ARDOUR::Workee
 	std::string describe_parameter (Evoral::Parameter);
 	std::string state_node_name () const { return "lv2"; }
 
-	void print_parameter (uint32_t param,
-	                      char*    buf,
-	                      uint32_t len) const;
-
 	bool parameter_is_audio (uint32_t) const;
 	bool parameter_is_control (uint32_t) const;
 	bool parameter_is_event (uint32_t) const;
diff --git a/libs/ardour/ardour/plugin.h b/libs/ardour/ardour/plugin.h
index 60a6db3ab2..4365958cfe 100644
--- a/libs/ardour/ardour/plugin.h
+++ b/libs/ardour/ardour/plugin.h
@@ -121,7 +121,7 @@ class LIBARDOUR_API Plugin : public PBD::StatefulDestructible, public HasLatency
 	virtual std::set<Evoral::Parameter> automatable() const = 0;
 	virtual std::string describe_parameter (Evoral::Parameter) = 0;
 	virtual std::string state_node_name() const = 0;
-	virtual void print_parameter (uint32_t, char*, uint32_t len) const = 0;
+	virtual bool print_parameter (uint32_t, char*, uint32_t len) const { return false; }
 
 	virtual bool parameter_is_audio(uint32_t) const = 0;
 	virtual bool parameter_is_control(uint32_t) const = 0;
diff --git a/libs/ardour/ardour/vst_plugin.h b/libs/ardour/ardour/vst_plugin.h
index 3c75c03490..47609a91f0 100644
--- a/libs/ardour/ardour/vst_plugin.h
+++ b/libs/ardour/ardour/vst_plugin.h
@@ -85,7 +85,7 @@ public:
 	const char * maker () const;
 	int32_t version () const;
 	uint32_t parameter_count () const;
-	void print_parameter (uint32_t, char*, uint32_t len) const;
+	bool print_parameter (uint32_t, char*, uint32_t len) const;
 
 	bool has_editor () const;