diff --git a/sdrdaemon/channel/sdrdaemonchannelsink.cpp b/sdrdaemon/channel/sdrdaemonchannelsink.cpp
index 6bd9b2d87..90c13db21 100644
--- a/sdrdaemon/channel/sdrdaemonchannelsink.cpp
+++ b/sdrdaemon/channel/sdrdaemonchannelsink.cpp
@@ -48,7 +48,6 @@ SDRDaemonChannelSink::SDRDaemonChannelSink(DeviceSourceAPI *deviceAPI) :
         m_centerFrequency(0),
         m_sampleRate(48000),
         m_sampleBytes(SDR_RX_SAMP_SZ/8),
-        m_sampleBits(8),
         m_nbBlocksFEC(0),
         m_txDelay(100)
 {
@@ -105,7 +104,7 @@ void SDRDaemonChannelSink::feed(const SampleVector::const_iterator& begin, const
             metaData.m_centerFrequency = m_centerFrequency;
             metaData.m_sampleRate = m_sampleRate;
             metaData.m_sampleBytes = m_sampleBytes;
-            metaData.m_sampleBits = m_sampleBits;
+            metaData.m_sampleBits = 0; // TODO: deprecated
             metaData.m_nbOriginalBlocks = SDRDaemonNbOrginalBlocks;
             metaData.m_nbFECBlocks = m_nbBlocksFEC;
             metaData.m_tv_sec = tv.tv_sec;
diff --git a/sdrdaemon/channel/sdrdaemonchannelsink.h b/sdrdaemon/channel/sdrdaemonchannelsink.h
index 1f659b60c..7e617cca1 100644
--- a/sdrdaemon/channel/sdrdaemonchannelsink.h
+++ b/sdrdaemon/channel/sdrdaemonchannelsink.h
@@ -63,7 +63,6 @@ public:
     void setSampleRate(uint32_t sampleRate) { m_sampleRate = sampleRate; }
 
     void setSampleBytes(uint8_t sampleBytes) { m_sampleBytes = sampleBytes; }
-    void setSampleBits(uint8_t sampleBits) { m_sampleBits = sampleBits; }
     void setNbBlocksFEC(int nbBlocksFEC);
     void setTxDelay(int txDelay);
 
@@ -92,7 +91,6 @@ private:
     uint64_t m_centerFrequency;
     uint32_t m_sampleRate;
     uint8_t m_sampleBytes;
-    uint8_t m_sampleBits;
     int m_nbBlocksFEC;
     int m_txDelay;
 };
diff --git a/sdrdaemon/channel/sdrdaemondatablock.h b/sdrdaemon/channel/sdrdaemondatablock.h
index 4733462e6..da51e4896 100644
--- a/sdrdaemon/channel/sdrdaemondatablock.h
+++ b/sdrdaemon/channel/sdrdaemondatablock.h
@@ -37,7 +37,7 @@ struct SDRDaemonMetaDataFEC
     uint32_t m_centerFrequency;   //!<  4 center frequency in kHz
     uint32_t m_sampleRate;        //!<  8 sample rate in Hz
     uint8_t  m_sampleBytes;       //!<  9 number of bytes per sample (2 or 3)
-    uint8_t  m_sampleBits;        //!< 10 number of effective bits per sample (8 t0 24)
+    uint8_t  m_sampleBits;        //!< 10 number of effective bits per sample (deprecated)
     uint8_t  m_nbOriginalBlocks;  //!< 11 number of blocks with original (protected) data
     uint8_t  m_nbFECBlocks;       //!< 12 number of blocks carrying FEC
     uint32_t m_tv_sec;            //!< 16 seconds of timestamp at start time of super-frame processing