diff --git a/libs/backends/wavesaudio/waves_audiobackend.cc b/libs/backends/wavesaudio/waves_audiobackend.cc
index fbadc4c713..0d54752782 100644
--- a/libs/backends/wavesaudio/waves_audiobackend.cc
+++ b/libs/backends/wavesaudio/waves_audiobackend.cc
@@ -77,7 +77,6 @@ WavesAudioBackend::WavesAudioBackend (AudioEngine& e)
     , _audio_device_manager (this)
     , _midi_device_manager (*this)
     , _device (NULL)
-    , _sample_format (FormatFloat)
     , _interleaved (true)
     , _input_channels (0)
     , _max_input_channels (0)
@@ -408,16 +407,6 @@ WavesAudioBackend::set_buffer_size (uint32_t buffer_size)
 }
 
 
-int 
-WavesAudioBackend::set_sample_format (SampleFormat sample_format)
-{
-    /* COMMENTED DBG LOGS */ std::cout << "WavesAudioBackend::set_sample_format (): " << sample_format << std::endl;
-
-    _sample_format = sample_format;
-    return 0;
-}
-
-
 int 
 WavesAudioBackend::set_interleaved (bool yn)
 {
@@ -495,14 +484,6 @@ WavesAudioBackend::buffer_size () const
 }
 
 
-SampleFormat 
-WavesAudioBackend::sample_format () const
-{
-    /* COMMENTED DBG LOGS */ std::cout << "WavesAudioBackend::sample_format ()" << std::endl;
-    return _sample_format;
-}
-
-
 bool         
 WavesAudioBackend::interleaved () const
 {
diff --git a/libs/backends/wavesaudio/waves_audiobackend.h b/libs/backends/wavesaudio/waves_audiobackend.h
index 7b56656295..3a56f7b55a 100644
--- a/libs/backends/wavesaudio/waves_audiobackend.h
+++ b/libs/backends/wavesaudio/waves_audiobackend.h
@@ -107,8 +107,6 @@ class WavesMidiPort;
 
     virtual int set_buffer_size (uint32_t);
 
-    virtual int set_sample_format (SampleFormat);
-
     virtual int set_interleaved (bool yn);
     
     virtual int set_input_channels (uint32_t);
@@ -125,8 +123,6 @@ class WavesMidiPort;
     
     virtual uint32_t buffer_size () const;
     
-    virtual SampleFormat sample_format () const;
-    
     virtual bool interleaved () const;
     
     virtual uint32_t input_channels () const;
@@ -279,7 +275,6 @@ class WavesMidiPort;
     WavesMidiDeviceManager _midi_device_manager;
 
     WCMRAudioDevice *_device;
-    SampleFormat _sample_format;
     bool _interleaved;
     static std::string __instantiated_name;
     uint32_t _input_channels;