diff --git a/src/Base/Console.cpp b/src/Base/Console.cpp
index 54154bcb6d..8abe5ac791 100644
--- a/src/Base/Console.cpp
+++ b/src/Base/Console.cpp
@@ -117,13 +117,10 @@ ConsoleOutput* ConsoleOutput::instance = nullptr;
 
 
 ConsoleSingleton::ConsoleSingleton()
-  : _bVerbose(true)
-  , _bCanRefresh(true)
-  , connectionMode(Direct)
 #ifdef FC_DEBUG
-  ,_defaultLogLevel(FC_LOGLEVEL_LOG)
+  : _defaultLogLevel(FC_LOGLEVEL_LOG)
 #else
-  ,_defaultLogLevel(FC_LOGLEVEL_MSG)
+  : _defaultLogLevel(FC_LOGLEVEL_MSG)
 #endif
 {
 }
diff --git a/src/Base/Console.h b/src/Base/Console.h
index 3dcf6d54cc..fcda8f5a2d 100644
--- a/src/Base/Console.h
+++ b/src/Base/Console.h
@@ -511,8 +511,7 @@ enum class ContentType {
 class BaseExport ILogger
 {
 public:
-    ILogger()
-    :bErr(true), bMsg(true), bLog(true), bWrn(true), bCritical(true), bNotification(false){}
+    ILogger() = default;
     virtual ~ILogger() = 0;
 
     /** Used to send a Log message at the given level.
@@ -562,7 +561,12 @@ public:
     }
 
     virtual const char *Name(){return nullptr;}
-    bool bErr, bMsg, bLog, bWrn, bCritical, bNotification;
+    bool bErr{true};
+    bool bMsg{true};
+    bool bLog{true};
+    bool bWrn{true};
+    bool bCritical{true};
+    bool bNotification{false};
 };
 
 
@@ -810,9 +814,9 @@ protected:
     static PyObject *sPyGetStatus               (PyObject *self,PyObject *args);
     static PyObject *sPyGetObservers            (PyObject *self,PyObject *args);
 
-    bool _bVerbose;
-    bool _bCanRefresh;
-    ConnectionMode connectionMode;
+    bool _bVerbose{true};
+    bool _bCanRefresh{true};
+    ConnectionMode connectionMode{Direct};
 
     // Singleton!
     ConsoleSingleton();
diff --git a/src/Base/FileTemplate.cpp b/src/Base/FileTemplate.cpp
index 9114a6b800..99065f4dda 100644
--- a/src/Base/FileTemplate.cpp
+++ b/src/Base/FileTemplate.cpp
@@ -36,13 +36,7 @@ using namespace Base;
  * A constructor.
  * A more elaborate description of the constructor.
  */
-ClassTemplate::ClassTemplate()
-  : enumPtr(nullptr)
-  , enumVar(TVal1)
-  , publicVar(0)
-  , handler(nullptr)
-{
-}
+ClassTemplate::ClassTemplate() = default;
 
 /**
  * A destructor.
diff --git a/src/Base/FileTemplate.h b/src/Base/FileTemplate.h
index 9e18094782..52518505f4 100644
--- a/src/Base/FileTemplate.h
+++ b/src/Base/FileTemplate.h
@@ -101,8 +101,8 @@ public:
         TVal2, /**< enum value TVal2. */
         TVal3  /**< enum value TVal3. */
     }
-    *enumPtr, /**< enum pointer. Details. */
-    enumVar;  /**< enum variable. Details. */
+    *enumPtr{nullptr}, /**< enum pointer. Details. */
+    enumVar{TVal1};  /**< enum variable. Details. */
 
     /**
      * A pure virtual member.
@@ -127,13 +127,13 @@ public:
     * a public variable.
     * Details.
     */
-    int publicVar;
+    int publicVar{0};
 
     /**
      * a function variable.
      * Details.
      */
-    int (*handler)(int a,int b);
+    int (*handler)(int a,int b){nullptr};
 
     std::string something;
 };
diff --git a/src/Base/Parameter.cpp b/src/Base/Parameter.cpp
index 7b67523deb..a75e99e9f8 100644
--- a/src/Base/Parameter.cpp
+++ b/src/Base/Parameter.cpp
@@ -81,9 +81,7 @@ public:
     // -----------------------------------------------------------------------
     //  Constructors and Destructor
     // -----------------------------------------------------------------------
-    DOMTreeErrorReporter() :
-            fSawErrors(false) {
-    }
+    DOMTreeErrorReporter() = default;
 
     ~DOMTreeErrorReporter() override = default;
 
@@ -109,7 +107,7 @@ public:
     //      method. Its used by the main code to suppress output if there are
     //      errors.
     // -----------------------------------------------------------------------
-    bool    fSawErrors;
+    bool    fSawErrors{false};
 };
 
 
@@ -1441,7 +1439,6 @@ static XercesDOMParser::ValSchemes    gValScheme       = XercesDOMParser::Val_Au
 /** Default construction
   */
 ParameterManager::ParameterManager()
-  : ParameterGrp(), _pDocument(nullptr), paramSerializer(nullptr)
 {
     _Manager = this;
 
diff --git a/src/Base/Parameter.h b/src/Base/Parameter.h
index 457f57be28..dde736e858 100644
--- a/src/Base/Parameter.h
+++ b/src/Base/Parameter.h
@@ -414,8 +414,8 @@ public:
 
 private:
 
-    XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument   *_pDocument;
-    ParameterSerializer * paramSerializer;
+    XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument   *_pDocument{nullptr};
+    ParameterSerializer * paramSerializer{nullptr};
 
     bool          gDoNamespaces         ;
     bool          gDoSchema             ;
diff --git a/src/Base/PyObjectBase.cpp b/src/Base/PyObjectBase.cpp
index 1859c2a9a0..5bc3d81b56 100644
--- a/src/Base/PyObjectBase.cpp
+++ b/src/Base/PyObjectBase.cpp
@@ -55,10 +55,8 @@ typedef struct {
 } PyBaseProxy;
 
 // Constructor
-PyObjectBase::PyObjectBase(void* p,PyTypeObject *T)
-  : _pcTwinPointer(p)
-  , baseProxy(nullptr)
-  , attrDict(nullptr)
+PyObjectBase::PyObjectBase(void* voidp, PyTypeObject *T)
+  : _pcTwinPointer(voidp)
 {
 #if PY_VERSION_HEX < 0x030b0000
     Py_TYPE(this) = T;
diff --git a/src/Base/PyObjectBase.h b/src/Base/PyObjectBase.h
index 5143c59baf..d72ffbf8b7 100644
--- a/src/Base/PyObjectBase.h
+++ b/src/Base/PyObjectBase.h
@@ -342,10 +342,10 @@ protected:
     void * _pcTwinPointer;
 
 public:
-    PyObject* baseProxy;
+    PyObject* baseProxy{nullptr};
 
 private:
-    PyObject* attrDict;
+    PyObject* attrDict{nullptr};
 };
 
 
diff --git a/src/Base/Reader.cpp b/src/Base/Reader.cpp
index 306871eeb2..c3e6c0ed7d 100644
--- a/src/Base/Reader.cpp
+++ b/src/Base/Reader.cpp
@@ -56,9 +56,7 @@ using namespace std;
 // ---------------------------------------------------------------------------
 
 Base::XMLReader::XMLReader(const char* FileName, std::istream& str)
-  : DocumentSchema(0), ProgramVersion(""), FileVersion(0), Level(0),
-    CharacterCount(0), ReadType(None), _File(FileName), _valid(false),
-    _verbose(true)
+  : _File(FileName)
 {
 #ifdef _MSC_VER
     str.imbue(std::locale::empty());
diff --git a/src/Base/Reader.h b/src/Base/Reader.h
index aa66f5390a..64149820a0 100644
--- a/src/Base/Reader.h
+++ b/src/Base/Reader.h
@@ -214,11 +214,11 @@ public:
     //@}
 
     /// Schema Version of the document
-    int DocumentSchema;
+    int DocumentSchema{0};
     /// Version of FreeCAD that wrote this document
     std::string ProgramVersion;
     /// Version of the file format
-    int FileVersion;
+    int FileVersion{0};
 
     /// sets simultaneously the global and local PartialRestore bits
     void setPartialRestore(bool on);
@@ -278,10 +278,10 @@ protected:
     //@}
 
 
-    int Level;
+    int Level{0};
     std::string LocalName;
     std::string Characters;
-    unsigned int CharacterCount;
+    unsigned int CharacterCount{0};
     std::streamsize CharacterOffset{-1};
 
     std::map<std::string,std::string> AttrMap;
@@ -297,14 +297,14 @@ protected:
         EndElement,
         StartCDATA,
         EndCDATA
-    }   ReadType;
+    }   ReadType{None};
 
 
     FileInfo _File;
     XERCES_CPP_NAMESPACE_QUALIFIER SAX2XMLReader* parser;
     XERCES_CPP_NAMESPACE_QUALIFIER XMLPScanToken token;
-    bool _valid;
-    bool _verbose;
+    bool _valid{false};
+    bool _verbose{true};
 
     std::vector<std::string> FileNames;
 
diff --git a/src/Base/Sequencer.cpp b/src/Base/Sequencer.cpp
index 75459c7737..b9b29020d0 100644
--- a/src/Base/Sequencer.cpp
+++ b/src/Base/Sequencer.cpp
@@ -78,7 +78,6 @@ SequencerBase& SequencerBase::Instance ()
 }
 
 SequencerBase::SequencerBase()
-  : nProgress(0), nTotalSteps(0), _bLocked(false), _bCanceled(false), _nLastPercentage(-1)
 {
     SequencerP::appendInstance(this);
 }
diff --git a/src/Base/Sequencer.h b/src/Base/Sequencer.h
index dac92da7d9..cd7d202e10 100644
--- a/src/Base/Sequencer.h
+++ b/src/Base/Sequencer.h
@@ -236,13 +236,15 @@ protected:
     virtual void resetData();
 
 protected:
-    size_t nProgress; /**< Stores the current amount of progress.*/
-    size_t nTotalSteps; /**< Stores the total number of steps */
+    //NOLINTBEGIN
+    size_t nProgress{0}; /**< Stores the current amount of progress.*/
+    size_t nTotalSteps{0}; /**< Stores the total number of steps */
+    //NOLINTEND
 
 private:
-    bool _bLocked; /**< Lock/unlock sequencer. */
-    bool _bCanceled; /**< Is set to true if the last pending operation was canceled */
-    int _nLastPercentage; /**< Progress in percent. */
+    bool _bLocked{false}; /**< Lock/unlock sequencer. */
+    bool _bCanceled{false}; /**< Is set to true if the last pending operation was canceled */
+    int _nLastPercentage{-1}; /**< Progress in percent. */
 };
 
 /** This special sequencer might be useful if you want to suppress any indication
diff --git a/src/Base/Stream.cpp b/src/Base/Stream.cpp
index 7eea30139e..d23aa7439a 100644
--- a/src/Base/Stream.cpp
+++ b/src/Base/Stream.cpp
@@ -40,9 +40,7 @@
 
 using namespace Base;
 
-Stream::Stream() : _swap(false)
-{
-}
+Stream::Stream() = default;
 
 Stream::~Stream() = default;
 
@@ -82,56 +80,56 @@ OutputStream& OutputStream::operator << (uint8_t uch)
 
 OutputStream& OutputStream::operator << (int16_t s)
 {
-    if (_swap) SwapEndian<int16_t>(s);
+    if (isSwapped()) SwapEndian<int16_t>(s);
     _out.write((const char*)&s, sizeof(int16_t));
     return *this;
 }
 
 OutputStream& OutputStream::operator << (uint16_t us)
 {
-    if (_swap) SwapEndian<uint16_t>(us);
+    if (isSwapped()) SwapEndian<uint16_t>(us);
     _out.write((const char*)&us, sizeof(uint16_t));
     return *this;
 }
 
 OutputStream& OutputStream::operator << (int32_t i)
 {
-    if (_swap) SwapEndian<int32_t>(i);
+    if (isSwapped()) SwapEndian<int32_t>(i);
     _out.write((const char*)&i, sizeof(int32_t));
     return *this;
 }
 
 OutputStream& OutputStream::operator << (uint32_t ui)
 {
-    if (_swap) SwapEndian<uint32_t>(ui);
+    if (isSwapped()) SwapEndian<uint32_t>(ui);
     _out.write((const char*)&ui, sizeof(uint32_t));
     return *this;
 }
 
 OutputStream& OutputStream::operator << (int64_t l)
 {
-    if (_swap) SwapEndian<int64_t>(l);
+    if (isSwapped()) SwapEndian<int64_t>(l);
     _out.write((const char*)&l, sizeof(int64_t));
     return *this;
 }
 
 OutputStream& OutputStream::operator << (uint64_t ul)
 {
-    if (_swap) SwapEndian<uint64_t>(ul);
+    if (isSwapped()) SwapEndian<uint64_t>(ul);
     _out.write((const char*)&ul, sizeof(uint64_t));
     return *this;
 }
 
 OutputStream& OutputStream::operator << (float f)
 {
-    if (_swap) SwapEndian<float>(f);
+    if (isSwapped()) SwapEndian<float>(f);
     _out.write((const char*)&f, sizeof(float));
     return *this;
 }
 
 OutputStream& OutputStream::operator << (double d)
 {
-    if (_swap) SwapEndian<double>(d);
+    if (isSwapped()) SwapEndian<double>(d);
     _out.write((const char*)&d, sizeof(double));
     return *this;
 }
@@ -163,56 +161,56 @@ InputStream& InputStream::operator >> (uint8_t& uch)
 InputStream& InputStream::operator >> (int16_t& s)
 {
     _in.read((char*)&s, sizeof(int16_t));
-    if (_swap) SwapEndian<int16_t>(s);
+    if (isSwapped()) SwapEndian<int16_t>(s);
     return *this;
 }
 
 InputStream& InputStream::operator >> (uint16_t& us)
 {
     _in.read((char*)&us, sizeof(uint16_t));
-    if (_swap) SwapEndian<uint16_t>(us);
+    if (isSwapped()) SwapEndian<uint16_t>(us);
     return *this;
 }
 
 InputStream& InputStream::operator >> (int32_t& i)
 {
     _in.read((char*)&i, sizeof(int32_t));
-    if (_swap) SwapEndian<int32_t>(i);
+    if (isSwapped()) SwapEndian<int32_t>(i);
     return *this;
 }
 
 InputStream& InputStream::operator >> (uint32_t& ui)
 {
     _in.read((char*)&ui, sizeof(uint32_t));
-    if (_swap) SwapEndian<uint32_t>(ui);
+    if (isSwapped()) SwapEndian<uint32_t>(ui);
     return *this;
 }
 
 InputStream& InputStream::operator >> (int64_t& l)
 {
     _in.read((char*)&l, sizeof(int64_t));
-    if (_swap) SwapEndian<int64_t>(l);
+    if (isSwapped()) SwapEndian<int64_t>(l);
     return *this;
 }
 
 InputStream& InputStream::operator >> (uint64_t& ul)
 {
     _in.read((char*)&ul, sizeof(uint64_t));
-    if (_swap) SwapEndian<uint64_t>(ul);
+    if (isSwapped()) SwapEndian<uint64_t>(ul);
     return *this;
 }
 
 InputStream& InputStream::operator >> (float& f)
 {
     _in.read((char*)&f, sizeof(float));
-    if (_swap) SwapEndian<float>(f);
+    if (isSwapped()) SwapEndian<float>(f);
     return *this;
 }
 
 InputStream& InputStream::operator >> (double& d)
 {
     _in.read((char*)&d, sizeof(double));
-    if (_swap) SwapEndian<double>(d);
+    if (isSwapped()) SwapEndian<double>(d);
     return *this;
 }
 
@@ -284,11 +282,12 @@ ByteArrayOStreambuf::seekpos(std::streambuf::pos_type pos,
 
 // ----------------------------------------------------------------------
 
-ByteArrayIStreambuf::ByteArrayIStreambuf(const QByteArray& data) : _buffer(data)
+ByteArrayIStreambuf::ByteArrayIStreambuf(const QByteArray& data)
+    : _buffer(data)
+    , _beg(0)
+    , _end(data.size())
+    , _cur(0)
 {
-    _beg = 0;
-    _end = data.size();
-    _cur = 0;
 }
 
 ByteArrayIStreambuf::~ByteArrayIStreambuf() = default;
@@ -416,7 +415,7 @@ IODeviceOStreambuf::seekpos(std::streambuf::pos_type pos,
 
 // ----------------------------------------------------------------------
 
-IODeviceIStreambuf::IODeviceIStreambuf(QIODevice* dev) : device(dev), buffer{}
+IODeviceIStreambuf::IODeviceIStreambuf(QIODevice* dev) : device(dev)
 {
     setg (buffer+pbSize,     // beginning of putback area
           buffer+pbSize,     // read position
@@ -441,7 +440,7 @@ using std::memcpy;
      * - use number of characters read
      * - but at most size of putback area
      */
-    int numPutback;
+    int numPutback{};
     numPutback = gptr() - eback();
     if (numPutback > pbSize) {
         numPutback = pbSize;
@@ -454,7 +453,7 @@ using std::memcpy;
             numPutback);
 
     // read at most bufSize new characters
-    int num;
+    int num{};
     num = device->read(buffer+pbSize, bufSize);
     if (num <= 0) {
         // ERROR or EOF
@@ -488,7 +487,7 @@ IODeviceIStreambuf::seekoff(std::streambuf::off_type off,
             endpos = device->size();
             break;
         default:
-            return pos_type(off_type(-1));
+            return {off_type(-1)};
     }
 
     if (endpos != curpos) {
@@ -514,7 +513,6 @@ IODeviceIStreambuf::seekpos(std::streambuf::pos_type pos,
 // http://www.icce.rug.nl/documents/cplusplus/cplusplus24.html
 PyStreambuf::PyStreambuf(PyObject* o, std::size_t buf_size, std::size_t put_back)
     : inp(o)
-    , type(Unknown)
     , put_back(std::max(put_back, std::size_t(1)))
     , buffer(std::max(buf_size, put_back) + put_back)
 {
@@ -529,7 +527,7 @@ PyStreambuf::PyStreambuf(PyObject* o, std::size_t buf_size, std::size_t put_back
 
 PyStreambuf::~PyStreambuf()
 {
-    sync();
+    PyStreambuf::sync();
     Py_DECREF(inp);
 }
 
@@ -547,7 +545,7 @@ PyStreambuf::int_type PyStreambuf::underflow()
         start += put_back;
     }
 
-    std::size_t n;
+    std::size_t n{};
     Py::Tuple arg(1);
     long len = static_cast<long>(buffer.size() - (start - base));
     arg.setItem(0, Py::Long(len));
@@ -731,7 +729,7 @@ Streambuf::Streambuf(const std::string& data)
 {
     _beg = data.begin();
     _end = data.end();
-    _cur = _beg;
+    _cur = _beg; //NOLINT
 }
 
 Streambuf::~Streambuf() = default;
diff --git a/src/Base/Stream.h b/src/Base/Stream.h
index ad39055cb1..10097b0757 100644
--- a/src/Base/Stream.h
+++ b/src/Base/Stream.h
@@ -49,14 +49,19 @@ public:
 
     ByteOrder byteOrder() const;
     void setByteOrder(ByteOrder);
+    virtual ~Stream();
 
 protected:
     Stream();
     Stream(const Stream&) = default;
+    Stream(Stream&&) = default;
     Stream& operator=(const Stream&) = default;
-    virtual ~Stream();
+    Stream& operator=(Stream&&) = default;
 
-    bool _swap;
+    bool isSwapped() const { return _swap; };
+
+private:
+    bool _swap{false};
 };
 
 /**
@@ -82,7 +87,9 @@ public:
     OutputStream& operator << (double d);
 
     OutputStream (const OutputStream&) = delete;
+    OutputStream (OutputStream&&) = delete;
     void operator = (const OutputStream&) = delete;
+    void operator = (OutputStream&&) = delete;
 
 private:
     std::ostream& _out;
@@ -117,7 +124,9 @@ public:
     }
 
     InputStream (const InputStream&) = delete;
+    InputStream (InputStream&&) = delete;
     void operator = (const InputStream&) = delete;
+    void operator = (InputStream&&) = delete;
 
 private:
     std::istream& _in;
@@ -149,7 +158,9 @@ protected:
 
 public:
     ByteArrayOStreambuf(const ByteArrayOStreambuf&) = delete;
+    ByteArrayOStreambuf(ByteArrayOStreambuf&&) = delete;
     ByteArrayOStreambuf& operator=(const ByteArrayOStreambuf&) = delete;
+    ByteArrayOStreambuf& operator=(ByteArrayOStreambuf&&) = delete;
 
 private:
     QBuffer* _buffer;
@@ -180,7 +191,9 @@ protected:
             std::ios::in | std::ios::out) override;
 public:
     ByteArrayIStreambuf(const ByteArrayIStreambuf&) = delete;
+    ByteArrayIStreambuf(ByteArrayIStreambuf&&) = delete;
     ByteArrayIStreambuf& operator=(const ByteArrayIStreambuf&) = delete;
+    ByteArrayIStreambuf& operator=(ByteArrayIStreambuf&&) = delete;
 
 private:
     const QByteArray& _buffer;
@@ -210,9 +223,11 @@ protected:
             std::ios::in | std::ios::out) override;
 public:
     IODeviceOStreambuf(const IODeviceOStreambuf&) = delete;
+    IODeviceOStreambuf(IODeviceOStreambuf&&) = delete;
     IODeviceOStreambuf& operator=(const IODeviceOStreambuf&) = delete;
+    IODeviceOStreambuf& operator=(IODeviceOStreambuf&&) = delete;
 
-protected:
+private:
     QIODevice* device;
 };
 
@@ -238,9 +253,11 @@ protected:
             std::ios::in | std::ios::out) override;
 public:
     IODeviceIStreambuf(const IODeviceIStreambuf&) = delete;
+    IODeviceIStreambuf(IODeviceIStreambuf&&) = delete;
     IODeviceIStreambuf& operator=(const IODeviceIStreambuf&) = delete;
+    IODeviceIStreambuf& operator=(IODeviceIStreambuf&&) = delete;
 
-protected:
+private:
     QIODevice* device;
     /* data buffer:
      * - at most, pbSize characters in putback area plus
@@ -248,7 +265,7 @@ protected:
      */
     static const int pbSize = 4;        // size of putback area
     static const int bufSize = 1024;    // size of the data buffer
-    char buffer[bufSize+pbSize];        // data buffer
+    char buffer[bufSize+pbSize]{};      // data buffer
 };
 
 class BaseExport PyStreambuf : public std::streambuf
@@ -286,11 +303,13 @@ private:
 
 public:
     PyStreambuf(const PyStreambuf&) = delete;
+    PyStreambuf(PyStreambuf&&) = delete;
     PyStreambuf& operator=(const PyStreambuf&) = delete;
+    PyStreambuf& operator=(PyStreambuf&&) = delete;
 
 private:
     PyObject* inp;
-    Type type;
+    Type type{Unknown};
     const std::size_t put_back;
     std::vector<char> buffer;
 };
@@ -316,7 +335,9 @@ protected:
 
 public:
     Streambuf(const Streambuf&) = delete;
+    Streambuf(Streambuf&&) = delete;
     Streambuf& operator=(const Streambuf&) = delete;
+    Streambuf& operator=(Streambuf&&) = delete;
 
 private:
     std::string::const_iterator _beg;
@@ -338,6 +359,8 @@ class ofstream : public std::ofstream
 {
 public:
     ofstream() = default;
+    ofstream(const ofstream&) = delete;
+    ofstream(ofstream&&) = delete;
     ofstream(const FileInfo& fi, ios_base::openmode mode =
                                  std::ios::out | std::ios::trunc)
 #ifdef _MSC_VER
@@ -354,6 +377,9 @@ public:
         std::ofstream::open(fi.filePath().c_str(), mode);
 #endif
     }
+
+    ofstream& operator = (const ofstream&) = delete;
+    ofstream& operator = (ofstream&&) = delete;
 };
 
 /**
@@ -366,6 +392,8 @@ class ifstream : public std::ifstream
 {
 public:
     ifstream() = default;
+    ifstream(const ifstream&) = delete;
+    ifstream(ifstream&&) = delete;
     ifstream(const FileInfo& fi, ios_base::openmode mode =
                                  std::ios::in)
 #ifdef _MSC_VER
@@ -382,6 +410,9 @@ public:
         std::ifstream::open(fi.filePath().c_str(), mode);
 #endif
     }
+
+    ifstream& operator = (const ifstream&) = delete;
+    ifstream& operator = (ifstream&&) = delete;
 };
 
 } // namespace Base
diff --git a/src/Base/ViewProj.cpp b/src/Base/ViewProj.cpp
index b11278ea66..e627e5ad67 100644
--- a/src/Base/ViewProj.cpp
+++ b/src/Base/ViewProj.cpp
@@ -26,10 +26,7 @@
 
 using namespace Base;
 
-ViewProjMethod::ViewProjMethod()
-  : hasTransform(false)
-{
-}
+ViewProjMethod::ViewProjMethod() = default;
 
 bool ViewProjMethod::isValid() const
 {
diff --git a/src/Base/ViewProj.h b/src/Base/ViewProj.h
index cc78cd2054..414229c0e9 100644
--- a/src/Base/ViewProj.h
+++ b/src/Base/ViewProj.h
@@ -65,7 +65,7 @@ protected:
     void transformInput(const Base::Vector3d&, Base::Vector3d&) const;
 
 private:
-    bool hasTransform;
+    bool hasTransform{false};
     Base::Matrix4D transform;
 };
 
diff --git a/src/Base/Writer.cpp b/src/Base/Writer.cpp
index b1d592f787..91455e24fa 100644
--- a/src/Base/Writer.cpp
+++ b/src/Base/Writer.cpp
@@ -77,10 +77,6 @@ struct cdata_filter {
 // ---------------------------------------------------------------------------
 
 Writer::Writer()
-  : indent(0)
-  , indBuf{}
-  , forceXML(false)
-  , fileVersion(1)
 {
     indBuf[0] = '\0';
 }
diff --git a/src/Base/Writer.h b/src/Base/Writer.h
index 05d65558ad..51cf93cee6 100644
--- a/src/Base/Writer.h
+++ b/src/Base/Writer.h
@@ -24,7 +24,6 @@
 #define BASE_WRITER_H
 
 
-#include <memory>
 #include <set>
 #include <string>
 #include <sstream>
@@ -150,11 +149,11 @@ protected:
     std::vector<std::string> Errors;
     std::set<std::string> Modes;
 
-    short indent;
-    char indBuf[1024];
+    short indent{0};
+    char indBuf[1024]{};
 
-    bool forceXML;
-    int fileVersion;
+    bool forceXML{false};
+    int fileVersion{1};
 
 public:
     Writer(const Writer&) = delete;