diff --git a/plugins/channelrx/demoddatv/CMakeLists.txt b/plugins/channelrx/demoddatv/CMakeLists.txt
index 421ac2b0a..100fab375 100644
--- a/plugins/channelrx/demoddatv/CMakeLists.txt
+++ b/plugins/channelrx/demoddatv/CMakeLists.txt
@@ -56,15 +56,17 @@ if(NOT SERVER_MODE)
         ${datv_SOURCES}
         datvdemodgui.ui
         datvdvbs2ldpcdialog.ui
+        datvdemodgui.cpp
+        datvdvbs2ldpcdialog.cpp
         datvideorender.cpp
     )
     set(datv_HEADERS ${datv_HEADERS} 
         datvdemodgui.h
         datvdvbs2ldpcdialog.h
-        datvideorender.h
         datvconstellation.h
         datvdvbs2constellation.h    
-    )
+        datvideorender.h
+        )
     set(TARGET_NAME ${PLUGINS_PREFIX}demoddatv)
     set(TARGET_LIB Qt::Widgets Qt::Multimedia Qt::MultimediaWidgets)
     set(TARGET_LIB_GUI "sdrgui")
@@ -107,12 +109,6 @@ target_link_libraries(${TARGET_NAME} PRIVATE
     ${SWRESAMPLE_LIBRARIES}
 )
 
-add_executable(ldpctool
-    ldpctool/ldpc_tool.cpp
-    ldpctool/tables_handler.cpp
-)
-install(TARGETS ldpctool DESTINATION ${INSTALL_BIN_DIR})
-
 if(DEFINED FFMPEG_DEPENDS)
     add_dependencies(${TARGET_NAME} ${FFMPEG_DEPENDS})
 endif()
diff --git a/plugins/channelrx/demoddatv/datvdemod.cpp b/plugins/channelrx/demoddatv/datvdemod.cpp
index b6fa69e1b..78fb44057 100644
--- a/plugins/channelrx/demoddatv/datvdemod.cpp
+++ b/plugins/channelrx/demoddatv/datvdemod.cpp
@@ -212,9 +212,6 @@ void DATVDemod::applySettings(const DATVDemodSettings& settings, bool force)
     if (settings.m_softLDPC != m_settings.m_softLDPC) {
         reverseAPIKeys.append("softLDPC");
     }
-    if (settings.m_softLDPCToolPath != m_settings.m_softLDPCToolPath) {
-        reverseAPIKeys.append("softLDPCToolPath");
-    }
     if (settings.m_softLDPCMaxTrials != m_settings.m_softLDPCMaxTrials) {
         reverseAPIKeys.append("softLDPCMaxTrials");
     }
@@ -401,9 +398,6 @@ void DATVDemod::webapiUpdateChannelSettings(
     if (channelSettingsKeys.contains("softLDPC")) {
         settings.m_softLDPC = response.getDatvDemodSettings()->getSoftLdpc() == 1;
     }
-    if (channelSettingsKeys.contains("softLDPCToolPath")) {
-        settings.m_softLDPCToolPath = *response.getDatvDemodSettings()->getSoftLdpcToolPath();
-    }
     if (channelSettingsKeys.contains("softLDPCMaxTrials")) {
         settings.m_softLDPCMaxTrials = response.getDatvDemodSettings()->getSoftLdpcMaxTrials();
     }
@@ -503,13 +497,6 @@ void DATVDemod::webapiFormatChannelSettings(SWGSDRangel::SWGChannelSettings& res
     response.getDatvDemodSettings()->setModulation((int) settings.m_modulation);
     response.getDatvDemodSettings()->setFec((int) settings.m_fec);
     response.getDatvDemodSettings()->setSoftLdpc((int) settings.m_softLDPC ? 1 : 0);
-
-    if (response.getDatvDemodSettings()->getSoftLdpcToolPath()) {
-        *response.getDatvDemodSettings()->getSoftLdpcToolPath() = settings.m_softLDPCToolPath;
-    } else {
-        response.getDatvDemodSettings()->setSoftLdpcToolPath(new QString(settings.m_softLDPCToolPath));
-    }
-
     response.getDatvDemodSettings()->setSoftLdpcMaxTrials(settings.m_softLDPCMaxTrials);
     response.getDatvDemodSettings()->setMaxBitflips(settings.m_maxBitflips);
     response.getDatvDemodSettings()->setAudioMute(settings.m_audioMute ? 1 : 0);
@@ -664,9 +651,6 @@ void DATVDemod::webapiFormatChannelSettings(
     if (channelSettingsKeys.contains("softLDPC") || force) {
         swgDATVDemodSettings->setSoftLdpc(settings.m_softLDPC ? 1 : 0);
     }
-    if (channelSettingsKeys.contains("softLDPCToolPath") || force) {
-        swgDATVDemodSettings->setSoftLdpcToolPath(new QString(settings.m_softLDPCToolPath));
-    }
     if (channelSettingsKeys.contains("softLDPCMaxTrials") || force) {
         swgDATVDemodSettings->setSoftLdpcMaxTrials(settings.m_softLDPCMaxTrials);
     }
diff --git a/plugins/channelrx/demoddatv/datvdemodgui.cpp b/plugins/channelrx/demoddatv/datvdemodgui.cpp
index cc0fb5c22..6fa1805f0 100644
--- a/plugins/channelrx/demoddatv/datvdemodgui.cpp
+++ b/plugins/channelrx/demoddatv/datvdemodgui.cpp
@@ -532,14 +532,12 @@ void DATVDemodGUI::ldpcToolSelect(const QPoint& p)
 {
     qDebug("DATVDemodGUI::ldpcToolSelect");
     DatvDvbS2LdpcDialog ldpcDialog;
-    ldpcDialog.setFileName(m_settings.m_softLDPCToolPath);
     ldpcDialog.setMaxTrials(m_settings.m_softLDPCMaxTrials);
     ldpcDialog.move(p);
 
     if (ldpcDialog.exec() == QDialog::Accepted)
     {
         m_settings.m_softLDPCMaxTrials = ldpcDialog.getMaxTrials();
-        m_settings.m_softLDPCToolPath = ldpcDialog.getFileName();
         applySettings();
     }
 }
diff --git a/plugins/channelrx/demoddatv/datvdemodsettings.cpp b/plugins/channelrx/demoddatv/datvdemodsettings.cpp
index b9179e7d3..73b9d5d26 100644
--- a/plugins/channelrx/demoddatv/datvdemodsettings.cpp
+++ b/plugins/channelrx/demoddatv/datvdemodsettings.cpp
@@ -28,12 +28,6 @@
 
 #include "datvdemodsettings.h"
 
-#ifdef _MSC_VER
-#define DEFAULT_LDPCTOOLPATH "C:/Program Files/SDRangel/ldpctool.exe"
-#else
-#define DEFAULT_LDPCTOOLPATH "/opt/install/sdrangel/bin/ldpctool"
-#endif
-
 DATVDemodSettings::DATVDemodSettings() :
     m_channelMarker(nullptr),
     m_rollupState(nullptr)
@@ -51,7 +45,6 @@ void DATVDemodSettings::resetToDefaults()
     m_modulation = BPSK;
     m_fec = FEC12;
     m_softLDPC = false;
-    m_softLDPCToolPath = DEFAULT_LDPCTOOLPATH;
     m_softLDPCMaxTrials = 8;
     m_maxBitflips = 0;
     m_symbolRate = 250000;
@@ -120,7 +113,6 @@ QByteArray DATVDemodSettings::serialize() const
     s.writeU32(31, m_reverseAPIChannelIndex);
     s.writeBool(32, m_softLDPC);
     s.writeS32(33, m_maxBitflips);
-    s.writeString(34, m_softLDPCToolPath);
     s.writeS32(35, m_softLDPCMaxTrials);
     s.writeBool(36, m_playerEnable);
 
@@ -215,7 +207,6 @@ bool DATVDemodSettings::deserialize(const QByteArray& data)
 
         d.readBool(32, &m_softLDPC, false);
         d.readS32(33, &m_maxBitflips, 0);
-        d.readString(34, &m_softLDPCToolPath, DEFAULT_LDPCTOOLPATH);
         d.readS32(35, &tmp, 8);
         m_softLDPCMaxTrials = tmp < 1 ? 1 : tmp > m_softLDPCMaxMaxTrials ? m_softLDPCMaxMaxTrials : tmp;
         d.readBool(36, &m_playerEnable, true);
@@ -256,7 +247,6 @@ void DATVDemodSettings::debug(const QString& msg) const
         << " m_fec: " << m_fec
         << " m_softLDPC: " << m_softLDPC
         << " m_softLDPCMaxTrials: " << m_softLDPCMaxTrials
-        << " m_softLDPCToolPath: " << m_softLDPCToolPath
         << " m_maxBitflips: " << m_maxBitflips
         << " m_modulation: " << m_modulation
         << " m_standard: " << m_standard
@@ -284,7 +274,6 @@ bool DATVDemodSettings::isDifferent(const DATVDemodSettings& other)
         || (m_fec != other.m_fec)
         || (m_softLDPC != other.m_softLDPC)
         || (m_softLDPCMaxTrials != other.m_softLDPCMaxTrials)
-        || (m_softLDPCToolPath != other.m_softLDPCToolPath)
         || (m_maxBitflips != other.m_maxBitflips)
         || (m_modulation != other.m_modulation)
         || (m_notchFilters != other.m_notchFilters)
diff --git a/plugins/channelrx/demoddatv/datvdemodsettings.h b/plugins/channelrx/demoddatv/datvdemodsettings.h
index 301145caf..1d646bf01 100644
--- a/plugins/channelrx/demoddatv/datvdemodsettings.h
+++ b/plugins/channelrx/demoddatv/datvdemodsettings.h
@@ -84,7 +84,6 @@ struct DATVDemodSettings
     DATVModulation m_modulation;
     DATVCodeRate m_fec;
     bool m_softLDPC;
-    QString m_softLDPCToolPath;
     int m_softLDPCMaxTrials;
     int m_maxBitflips;
     bool m_audioMute;
diff --git a/plugins/channelrx/demoddatv/datvdemodsink.cpp b/plugins/channelrx/demoddatv/datvdemodsink.cpp
index 10d7a65ac..b2c4acdb2 100644
--- a/plugins/channelrx/demoddatv/datvdemodsink.cpp
+++ b/plugins/channelrx/demoddatv/datvdemodsink.cpp
@@ -879,8 +879,7 @@ void DATVDemodSink::InitDATVS2Framework()
         <<  " Excursion: " << m_settings.m_excursion
         <<  " Channel sample rate: " << m_channelSampleRate
         <<  " Input sample rate: " << 2 * m_settings.m_symbolRate
-        <<  " m_softLDPCMaxTrials: " << m_settings.m_softLDPCMaxTrials
-        <<  " m_softLDPCToolPath: " << m_settings.m_softLDPCToolPath;
+        <<  " m_softLDPCMaxTrials: " << m_settings.m_softLDPCMaxTrials;
 
     m_objCfg.standard = m_settings.m_standard;
 
@@ -1104,12 +1103,6 @@ void DATVDemodSink::InitDATVS2Framework()
 
     // bool commandFileValid = false;
 
-    if (QFileInfo::exists(m_settings.m_softLDPCToolPath))
-    {
-        QFileInfo fileInfo = QFileInfo(m_settings.m_softLDPCToolPath);
-        // commandFileValid = fileInfo.isExecutable();
-    }
-
     if (m_settings.m_softLDPC /*&& commandFileValid*/)
     {
 #if 0
@@ -1134,8 +1127,6 @@ void DATVDemodSink::InitDATVS2Framework()
         // External LDPC decoder mode.
         // Deinterleave into soft bits.
         // TBD Latency
-        QByteArray ba = m_settings.m_softLDPCToolPath.toLocal8Bit();
-        const char *c_str2 = ba.data();
         p_fecframes = new leansdr::pipebuf<leansdr::fecframe<leansdr::llr_sb> >(m_objScheduler, "FEC frames", BUF_FRAMES);
         p_s2_deinterleaver = new leansdr::s2_deinterleaver<leansdr::llr_ss, leansdr::llr_sb>(
             m_objScheduler,
@@ -1147,7 +1138,6 @@ void DATVDemodSink::InitDATVS2Framework()
             m_objScheduler,
             *(leansdr::pipebuf< leansdr::fecframe<leansdr::llr_sb> > *) p_fecframes,
             *(leansdr::pipebuf<leansdr::bbframe> *) p_bbframes,
-            c_str2,
             p_vbitcount,
             p_verrcount)
         ;
diff --git a/plugins/channelrx/demoddatv/datvdvbs2ldpcdialog.cpp b/plugins/channelrx/demoddatv/datvdvbs2ldpcdialog.cpp
index 33cf263f6..79bae70e3 100644
--- a/plugins/channelrx/demoddatv/datvdvbs2ldpcdialog.cpp
+++ b/plugins/channelrx/demoddatv/datvdvbs2ldpcdialog.cpp
@@ -42,12 +42,6 @@ void DatvDvbS2LdpcDialog::accept()
     QDialog::accept();
 }
 
-void DatvDvbS2LdpcDialog::setFileName(const QString& fileName)
-{
-    m_fileName = fileName;
-    ui->ldpcToolText->setText(m_fileName);
-}
-
 void DatvDvbS2LdpcDialog::setMaxTrials(int maxTrials)
 {
     m_maxTrials = maxTrials < 1 ? 1 :
@@ -55,31 +49,6 @@ void DatvDvbS2LdpcDialog::setMaxTrials(int maxTrials)
     ui->maxTrials->setValue(m_maxTrials);
 }
 
-void DatvDvbS2LdpcDialog::on_showFileDialog_clicked(bool checked)
-{
-    (void) checked;
-
-    QFileDialog fileDialog(this, "Select LDPC tool");
-    fileDialog.setOption(QFileDialog::DontUseNativeDialog, true);
-#ifdef _MSC_VER
-    fileDialog.setNameFilter("*.exe");
-#else
-    fileDialog.setFilter(QDir::Executable | QDir::Files);
-#endif
-    fileDialog.selectFile(m_fileName);
-
-    if (fileDialog.exec() == QDialog::Accepted)
-    {
-        QStringList fileNames = fileDialog.selectedFiles();
-
-        if (fileNames.size() > 0)
-        {
-            m_fileName = fileNames[0];
-            ui->ldpcToolText->setText(m_fileName);
-        }
-    }
-}
-
 void DatvDvbS2LdpcDialog::on_maxTrials_valueChanged(int value)
 {
     m_maxTrials = value;
diff --git a/plugins/channelrx/demoddatv/datvdvbs2ldpcdialog.h b/plugins/channelrx/demoddatv/datvdvbs2ldpcdialog.h
index 91745ab17..26a2f3865 100644
--- a/plugins/channelrx/demoddatv/datvdvbs2ldpcdialog.h
+++ b/plugins/channelrx/demoddatv/datvdvbs2ldpcdialog.h
@@ -33,19 +33,15 @@ public:
     explicit DatvDvbS2LdpcDialog(QWidget* parent = nullptr);
     ~DatvDvbS2LdpcDialog();
 
-    void setFileName(const QString& fileName);
     void setMaxTrials(int maxTrials);
-    QString& getFileName() { return m_fileName; }
     int getMaxTrials() { return m_maxTrials; }
 
 private:
     Ui::DatvDvbS2LdpcDialog* ui;
-    QString m_fileName;
     int m_maxTrials;
 
 private slots:
     void accept();
-    void on_showFileDialog_clicked(bool checked);
     void on_maxTrials_valueChanged(int value);
 };
 
diff --git a/plugins/channelrx/demoddatv/datvdvbs2ldpcdialog.ui b/plugins/channelrx/demoddatv/datvdvbs2ldpcdialog.ui
index 52244ce03..753c9b954 100644
--- a/plugins/channelrx/demoddatv/datvdvbs2ldpcdialog.ui
+++ b/plugins/channelrx/demoddatv/datvdvbs2ldpcdialog.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>461</width>
-    <height>121</height>
+    <width>454</width>
+    <height>80</height>
    </rect>
   </property>
   <property name="font">
@@ -63,66 +63,6 @@
      </item>
     </layout>
    </item>
-   <item>
-    <layout class="QHBoxLayout" name="logFileLayout">
-     <item>
-      <widget class="QLabel" name="ldpcToolLabel">
-       <property name="text">
-        <string>LDPC tool</string>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <widget class="QPushButton" name="showFileDialog">
-       <property name="maximumSize">
-        <size>
-         <width>24</width>
-         <height>16777215</height>
-        </size>
-       </property>
-       <property name="toolTip">
-        <string>Choose a log file</string>
-       </property>
-       <property name="text">
-        <string/>
-       </property>
-       <property name="icon">
-        <iconset resource="../../../sdrgui/resources/res.qrc">
-         <normaloff>:/preset-load.png</normaloff>:/preset-load.png</iconset>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <widget class="QLabel" name="ldpcToolText">
-       <property name="minimumSize">
-        <size>
-         <width>300</width>
-         <height>0</height>
-        </size>
-       </property>
-       <property name="toolTip">
-        <string>Log file</string>
-       </property>
-       <property name="text">
-        <string>...</string>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <spacer name="horizontalSpacer_2">
-       <property name="orientation">
-        <enum>Qt::Horizontal</enum>
-       </property>
-       <property name="sizeHint" stdset="0">
-        <size>
-         <width>40</width>
-         <height>20</height>
-        </size>
-       </property>
-      </spacer>
-     </item>
-    </layout>
-   </item>
    <item>
     <widget class="QDialogButtonBox" name="buttonBox">
      <property name="orientation">
diff --git a/plugins/channelrx/demoddatv/leansdr/dvbs2.h b/plugins/channelrx/demoddatv/leansdr/dvbs2.h
index 9c17afec4..ee4b59830 100644
--- a/plugins/channelrx/demoddatv/leansdr/dvbs2.h
+++ b/plugins/channelrx/demoddatv/leansdr/dvbs2.h
@@ -3644,7 +3644,6 @@ struct s2_fecdec_helper : runnable
         scheduler *sch,
         pipebuf<fecframe<SOFTBYTE>> &_in,
         pipebuf<bbframe> &_out,
-        const char *_command,
         pipebuf<int> *_bitcount = nullptr,
         pipebuf<int> *_errcount = nullptr
     ) :
@@ -3658,7 +3657,6 @@ struct s2_fecdec_helper : runnable
         bitcount(opt_writer(_bitcount, 1)),
         errcount(opt_writer(_errcount, 1))
     {
-        command = strdup(_command);
 
         for (int mc = 0; mc < 32; ++mc) {
             for (int sf = 0; sf < 2; ++sf) {
@@ -3669,7 +3667,6 @@ struct s2_fecdec_helper : runnable
 
     ~s2_fecdec_helper()
     {
-        free(command);
         killall(); // also deletes pools[mc][sf].procs if necessary
     }
 
diff --git a/plugins/channelrx/demoddatv/readme.md b/plugins/channelrx/demoddatv/readme.md
index 957c51a25..783d006a9 100644
--- a/plugins/channelrx/demoddatv/readme.md
+++ b/plugins/channelrx/demoddatv/readme.md
@@ -191,7 +191,7 @@ It can be used to decode signals lower that ~10 db MER which is the limit of LDP
 
 Right clicking on this control opens a dialog where you can choose:
 
-  - The `ldpctool` executable. Obsolete.
+  - ~~The `ldpctool` executable.~~ Obsolete removed.
   - The maximum of retries in LDPC decoding from 1 to 8.
 
 <h5>B.2b.7: DVB-S2 specific - LDPC maximum number of bit flips allowed</h5>