diff --git a/sdrbase/commands/command.cpp b/sdrbase/commands/command.cpp
index 96f835953..090e2b92b 100644
--- a/sdrbase/commands/command.cpp
+++ b/sdrbase/commands/command.cpp
@@ -28,6 +28,7 @@
 #include "util/timeutil.h"
 
 Command::Command() :
+#if QT_CONFIG(process)
     m_currentProcess(nullptr),
     m_currentProcessState(QProcess::NotRunning),
     m_isInError(false),
@@ -35,6 +36,7 @@ Command::Command() :
     m_hasExited(false),
     m_currentProcessExitCode(0),
     m_currentProcessExitStatus(QProcess::NormalExit),
+#endif
     m_currentProcessPid(0)
 {
     m_currentProcessStartTimeStampms = 0;
@@ -53,6 +55,7 @@ Command::Command(const Command& command) :
         m_keyModifiers(command.m_keyModifiers),
         m_associateKey(command.m_associateKey),
         m_release(command.m_release),
+#if QT_CONFIG(process)
         m_currentProcess(nullptr),
         m_currentProcessState(QProcess::NotRunning),
         m_isInError(false),
@@ -60,6 +63,7 @@ Command::Command(const Command& command) :
         m_hasExited(false),
         m_currentProcessExitCode(0),
         m_currentProcessExitStatus(QProcess::NormalExit),
+#endif
         m_currentProcessPid(0)
 {
     m_currentProcessStartTimeStampms = 0;
@@ -68,6 +72,7 @@ Command::Command(const Command& command) :
 
 Command::~Command()
 {
+#if QT_CONFIG(process)
     if (m_currentProcess)
     {
 #if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
@@ -79,6 +84,7 @@ Command::~Command()
         disconnect(m_currentProcess, SIGNAL(stateChanged(QProcess::ProcessState)), this, SLOT(processStateChanged(QProcess::ProcessState)));
         m_currentProcess->deleteLater();
     }
+#endif
 }
 
 void Command::resetToDefaults()
@@ -164,6 +170,7 @@ QString Command::getKeyLabel() const
 
 void Command::run(const QString& apiAddress, int apiPort, int deviceSetIndex)
 {
+#if QT_CONFIG(process)
     if (m_currentProcess)
     {
         qWarning("Command::run: process already running");
@@ -212,17 +219,22 @@ void Command::run(const QString& apiAddress, int apiPort, int deviceSetIndex)
     QStringList allArgs = args.split(" ", QString::SkipEmptyParts);
 #endif
     m_currentProcess->start(m_command, allArgs);
+
+#endif
 }
 
 void Command::kill()
 {
+#if QT_CONFIG(process)
     if (m_currentProcess)
     {
         qDebug("Command::kill: %lld", m_currentProcessPid);
         m_currentProcess->kill();
     }
+#endif
 }
 
+#if QT_CONFIG(process)
 QProcess::ProcessState Command::getLastProcessState() const
 {
     return m_currentProcessState;
@@ -307,3 +319,4 @@ void Command::processFinished(int exitCode, QProcess::ExitStatus exitStatus)
     m_currentProcess->deleteLater(); // make sure other threads can still access it until all events have been processed
     m_currentProcess = nullptr; // for this thread it can assume it was deleted
 }
+#endif /* QT_CONFIG(process) */
diff --git a/sdrbase/commands/command.h b/sdrbase/commands/command.h
index ae1e6d1fe..f72e58f0d 100644
--- a/sdrbase/commands/command.h
+++ b/sdrbase/commands/command.h
@@ -62,10 +62,12 @@ public:
 
     void run(const QString& apiAddress, int apiPort, int deviceSetIndex = 0);
     void kill();
+#if QT_CONFIG(process)
     QProcess::ProcessState getLastProcessState() const;
     bool getLastProcessError(QProcess::ProcessError& error) const;
     bool getLastProcessExit(int& exitCode, QProcess::ExitStatus& exitStatus) const;
     const QString& getLastProcessLog() const;
+#endif
     uint64_t  getLastProcessStartTimestampms() const { return m_currentProcessStartTimeStampms; }
     uint64_t  getLastProcessFinishTimestampms() const { return m_currentProcessFinishTimeStampms; }
     const QString& getLastProcessCommandLine() const { return m_currentProcessCommandLine; }
@@ -102,6 +104,7 @@ private:
     Qt::KeyboardModifiers m_keyModifiers;
     bool m_associateKey;
     bool m_release;
+#if QT_CONFIG(process)
     QProcess *m_currentProcess;
     QProcess::ProcessState m_currentProcessState;
     bool m_isInError;
@@ -109,6 +112,7 @@ private:
     bool m_hasExited;
     int m_currentProcessExitCode;
     QProcess::ExitStatus m_currentProcessExitStatus;
+#endif
     QString m_log;
     uint64_t  m_currentProcessStartTimeStampms;
     uint64_t  m_currentProcessFinishTimeStampms;
@@ -116,9 +120,11 @@ private:
     qint64 m_currentProcessPid;
 
 private slots:
+#if QT_CONFIG(process)
     void processStateChanged(QProcess::ProcessState newState);
     void processError(QProcess::ProcessError error);
     void processFinished(int exitCode, QProcess::ExitStatus exitStatus);
+#endif
 };
 
 Q_DECLARE_METATYPE(const Command*);
diff --git a/sdrgui/gui/commandoutputdialog.cpp b/sdrgui/gui/commandoutputdialog.cpp
index 1b10765ca..3e6df966a 100644
--- a/sdrgui/gui/commandoutputdialog.cpp
+++ b/sdrgui/gui/commandoutputdialog.cpp
@@ -22,6 +22,8 @@
 
 #include <QDateTime>
 
+#if QT_CONFIG(process)
+
 CommandOutputDialog::CommandOutputDialog(Command& command, QWidget* parent) :
     QDialog(parent),
     ui(new Ui::CommandOutputDialog),
@@ -167,3 +169,4 @@ void CommandOutputDialog::on_processKill_toggled(bool checked)
     }
 }
 
+#endif // QT_CONFIG(process)
diff --git a/sdrgui/gui/commandoutputdialog.h b/sdrgui/gui/commandoutputdialog.h
index 0821b7016..c6612dba0 100644
--- a/sdrgui/gui/commandoutputdialog.h
+++ b/sdrgui/gui/commandoutputdialog.h
@@ -24,6 +24,8 @@
 #include <QDialog>
 #include <QProcess>
 
+#if QT_CONFIG(process)
+
 #include "export.h"
 
 namespace Ui {
@@ -54,5 +56,6 @@ private slots:
     void on_processKill_toggled(bool checked);
 };
 
+#endif
 
 #endif /* SDRGUI_GUI_COMMANDOUTPUTDIALOG_H_ */
diff --git a/sdrgui/gui/commandsdialog.cpp b/sdrgui/gui/commandsdialog.cpp
index ee0fb2b15..6b28bccee 100644
--- a/sdrgui/gui/commandsdialog.cpp
+++ b/sdrgui/gui/commandsdialog.cpp
@@ -29,6 +29,8 @@
 #include "commandsdialog.h"
 #include "ui_commandsdialog.h"
 
+#if QT_CONFIG(process)
+
 CommandsDialog::CommandsDialog(QWidget* parent) :
     QDialog(parent),
     ui(new Ui::CommandsDialog),
@@ -309,3 +311,5 @@ QTreeWidgetItem* CommandsDialog::addCommandToTree(const Command* command)
     //updatePresetControls();
     return item;
 }
+
+#endif // QT_CONFIG(process)
diff --git a/sdrgui/gui/commandsdialog.h b/sdrgui/gui/commandsdialog.h
index 58659c9da..d57d81a59 100644
--- a/sdrgui/gui/commandsdialog.h
+++ b/sdrgui/gui/commandsdialog.h
@@ -25,6 +25,8 @@
 
 #include "export.h"
 
+#if QT_CONFIG(process)
+
 class CommandKeyReceiver;
 
 namespace Ui {
@@ -66,4 +68,6 @@ private slots:
     void on_commandKeyboardConnect_toggled(bool checked);
 };
 
+#endif // QT_CONFIG(process)
+
 #endif // SDRGUI_GUI_COMMANDSDIALOG_H_
diff --git a/sdrgui/gui/fftwisdomdialog.cpp b/sdrgui/gui/fftwisdomdialog.cpp
index 677df8b95..d47da9da1 100644
--- a/sdrgui/gui/fftwisdomdialog.cpp
+++ b/sdrgui/gui/fftwisdomdialog.cpp
@@ -24,6 +24,8 @@
 #include "fftwisdomdialog.h"
 #include "ui_fftwisdomdialog.h"
 
+#if QT_CONFIG(process)
+
 FFTWisdomDialog::FFTWisdomDialog(QProcess *process, QWidget* parent) :
     QDialog(parent),
     ui(new Ui::FFTWisdomDialog),
@@ -132,3 +134,5 @@ void FFTWisdomDialog::updateArguments(int fftMaxLog2, bool includeReverse)
     qDebug("FFTWisdomDialog::updateArguments: %s %s", qPrintable(m_fftwExecPath), qPrintable(argStr));
     ui->fftwCommand->setText(m_fftwExecPath + " " + argStr);
 }
+
+#endif // QT_CONFIG(process)
diff --git a/sdrgui/gui/fftwisdomdialog.h b/sdrgui/gui/fftwisdomdialog.h
index 6cfc31fff..761748394 100644
--- a/sdrgui/gui/fftwisdomdialog.h
+++ b/sdrgui/gui/fftwisdomdialog.h
@@ -25,6 +25,8 @@
 
 #include "export.h"
 
+#if QT_CONFIG(process)
+
 namespace Ui {
     class FFTWisdomDialog;
 }
@@ -55,5 +57,7 @@ private:
     QProcess *m_process;
 };
 
+#endif
+
 
 #endif // SDRGUI_GUI_FFTWISDOMDIALOG_H_