diff --git a/debugger/variable/variablecollection.cpp b/debugger/variable/variablecollection.cpp
--- a/debugger/variable/variablecollection.cpp
+++ b/debugger/variable/variablecollection.cpp
@@ -68,10 +68,14 @@
 Variable::Variable(TreeModel* model, TreeItem* parent,
                    const QString& expression,
                    const QString& display)
-  : TreeItem(model, parent),
-      m_inScope(true), m_topLevel(true), m_changed(false), m_showError(false), m_format(Natural)
+  : TreeItem(model, parent)
+  , m_expression(expression)
+  , m_inScope(true)
+  , m_topLevel(true)
+  , m_changed(false)
+  , m_showError(false)
+  , m_format(Natural)
 {
-    m_expression = expression;
     // FIXME: should not duplicate the data, instead overload 'data'
     // and return expression_ directly.
     if (display.isEmpty())
diff --git a/language/backgroundparser/documentchangetracker.cpp b/language/backgroundparser/documentchangetracker.cpp
--- a/language/backgroundparser/documentchangetracker.cpp
+++ b/language/backgroundparser/documentchangetracker.cpp
@@ -62,9 +62,11 @@
 {
 
 DocumentChangeTracker::DocumentChangeTracker( KTextEditor::Document* document )
-    : m_needUpdate(false), m_document(document), m_moving(nullptr)
+    : m_needUpdate(false)
+    , m_document(document)
+    , m_moving(nullptr)
+    , m_url(IndexedString(document->url()))
 {
-    m_url = IndexedString(document->url());
     Q_ASSERT(document);
     Q_ASSERT(document->url().isValid());
 
diff --git a/language/duchain/aliasdeclaration.h b/language/duchain/aliasdeclaration.h
--- a/language/duchain/aliasdeclaration.h
+++ b/language/duchain/aliasdeclaration.h
@@ -32,8 +32,8 @@
   AliasDeclarationData() {}
   AliasDeclarationData( const AliasDeclarationData& rhs )
       : ClassMemberDeclarationData( rhs )
+      , m_aliasedDeclaration(rhs.m_aliasedDeclaration)
   {
-    m_aliasedDeclaration = rhs.m_aliasedDeclaration;
   }
   IndexedDeclaration m_aliasedDeclaration;
 };
diff --git a/language/duchain/classmemberdeclaration.cpp b/language/duchain/classmemberdeclaration.cpp
--- a/language/duchain/classmemberdeclaration.cpp
+++ b/language/duchain/classmemberdeclaration.cpp
@@ -28,33 +28,33 @@
 {
 
 ClassMemberDeclarationData::ClassMemberDeclarationData()
+    : m_accessPolicy(Declaration::Public)
+    , m_isStatic(false)
+    , m_isAuto(false)
+    , m_isFriend(false)
+    , m_isRegister(false)
+    , m_isExtern(false)
+    , m_isMutable(false)
+    , m_isNative(false)
+    , m_isSynchronized(false)
+    , m_isStrictFP(false)
+    , m_isAbstract(false)
 {
-  m_accessPolicy = Declaration::Public;
-  m_isStatic = false;
-  m_isAuto = false;
-  m_isFriend = false;
-  m_isRegister = false;
-  m_isExtern = false;
-  m_isMutable = false;
-  m_isNative = false;
-  m_isSynchronized = false;
-  m_isStrictFP = false;
-  m_isAbstract = false;
 }
 ClassMemberDeclarationData::ClassMemberDeclarationData( const ClassMemberDeclarationData& rhs )
-    : DeclarationData( rhs )
-{
-  m_accessPolicy = rhs.m_accessPolicy;
-  m_isStatic = rhs.m_isStatic;
-  m_isAuto = rhs.m_isAuto;
-  m_isFriend = rhs.m_isFriend;
-  m_isRegister = rhs.m_isRegister;
-  m_isExtern = rhs.m_isExtern;
-  m_isMutable = rhs.m_isMutable;
-  m_isNative = rhs.m_isNative;
-  m_isSynchronized = rhs.m_isSynchronized;
-  m_isStrictFP = rhs.m_isStrictFP;
-  m_isAbstract = rhs.m_isAbstract;
+    : DeclarationData(rhs)
+    , m_accessPolicy(rhs.m_accessPolicy)
+    , m_isStatic(rhs.m_isStatic)
+    , m_isAuto(rhs.m_isAuto)
+    , m_isFriend(rhs.m_isFriend)
+    , m_isRegister(rhs.m_isRegister)
+    , m_isExtern(rhs.m_isExtern)
+    , m_isMutable(rhs.m_isMutable)
+    , m_isNative(rhs.m_isNative)
+    , m_isSynchronized(rhs.m_isSynchronized)
+    , m_isStrictFP(rhs.m_isStrictFP)
+    , m_isAbstract(rhs.m_isAbstract)
+{
 }
 
 ClassMemberDeclaration::ClassMemberDeclaration(const ClassMemberDeclaration& rhs) : Declaration(*new ClassMemberDeclarationData(*rhs.d_func())) {
diff --git a/language/duchain/declaration.cpp b/language/duchain/declaration.cpp
--- a/language/duchain/declaration.cpp
+++ b/language/duchain/declaration.cpp
@@ -54,6 +54,7 @@
 
 DeclarationData::DeclarationData()
   : m_comment(0)
+  , m_kind(Declaration::Instance)
   , m_isDefinition(false)
   , m_inSymbolTable(false)
   , m_isTypeAlias(false)
@@ -63,7 +64,6 @@
   , m_isAutoDeclaration(false)
   , m_isExplicitlyDeleted(false)
 {
-  m_kind = Declaration::Instance;
 }
 
 DeclarationData::DeclarationData( const DeclarationData& rhs ) : DUChainBaseData(rhs),
diff --git a/language/duchain/ducontext.cpp b/language/duchain/ducontext.cpp
--- a/language/duchain/ducontext.cpp
+++ b/language/duchain/ducontext.cpp
@@ -1627,8 +1627,8 @@
 
 DUContext::Import::Import(const DeclarationId& id, const CursorInRevision& _position)
   : position(_position)
+  , m_declaration(id)
 {
-  m_declaration = id;
 }
 
 DUContext* DUContext::Import::context(const TopDUContext* topContext, bool instantiateIfRequired) const {
diff --git a/language/duchain/namespacealiasdeclaration.h b/language/duchain/namespacealiasdeclaration.h
--- a/language/duchain/namespacealiasdeclaration.h
+++ b/language/duchain/namespacealiasdeclaration.h
@@ -30,8 +30,8 @@
   NamespaceAliasDeclarationData() {}
   NamespaceAliasDeclarationData( const NamespaceAliasDeclarationData& rhs )
       : DeclarationData( rhs )
+      , m_importIdentifier(rhs.m_importIdentifier)
   {
-    m_importIdentifier = rhs.m_importIdentifier;
   }
   IndexedQualifiedIdentifier m_importIdentifier; //The identifier that was imported
 };
diff --git a/language/duchain/navigation/navigationaction.h b/language/duchain/navigation/navigationaction.h
--- a/language/duchain/navigation/navigationaction.h
+++ b/language/duchain/navigation/navigationaction.h
@@ -51,8 +51,7 @@
   NavigationAction( DeclarationPointer decl_, Type type_ ) : targetContext(nullptr), decl(decl_), type(type_) {
   }
 
-  NavigationAction( const QUrl& _document, const KTextEditor::Cursor& _cursor) : targetContext(nullptr), document(_document), cursor(_cursor) {
-    type = JumpToSource;
+  NavigationAction( const QUrl& _document, const KTextEditor::Cursor& _cursor) : targetContext(nullptr), type(JumpToSource), document(_document), cursor(_cursor) {
   }
 
   NavigationAction(AbstractNavigationContext* _targetContext) : targetContext(_targetContext) {
diff --git a/language/interfaces/editorcontext.cpp b/language/interfaces/editorcontext.cpp
--- a/language/interfaces/editorcontext.cpp
+++ b/language/interfaces/editorcontext.cpp
@@ -30,11 +30,11 @@
 {
 public:
     EditorContextPrivate( KTextEditor::View* view, const KTextEditor::Cursor& position )
-        : m_view( view )
+        : m_url(view->document()->url())
+        , m_position(position)
+        , m_currentLine(view->document()->line(m_position.line()))
+        , m_view( view )
     {
-        m_url = view->document()->url();
-        m_position = position;
-        m_currentLine = view->document()->line(m_position.line());
         int wordStart = m_position.column();
         int wordEnd = m_position.column();
         while(wordStart > 0 && wordStart < m_currentLine.length() && (m_currentLine[wordStart-1].isLetterOrNumber() || m_currentLine[wordStart-1] == '_'))
diff --git a/plugins/subversion/kdevsvncpp/context_listener.hpp b/plugins/subversion/kdevsvncpp/context_listener.hpp
--- a/plugins/subversion/kdevsvncpp/context_listener.hpp
+++ b/plugins/subversion/kdevsvncpp/context_listener.hpp
@@ -129,22 +129,27 @@
       bool maySave;
 
       SslServerTrustData(const apr_uint32_t failures_ = 0)
-          : failures(failures_), hostname(""), fingerprint(""),
-          validFrom(""), validUntil(""), issuerDName(""),
-          realm(""), maySave(true)
+          : failures(failures_)
+          , hostname("")
+          , fingerprint("")
+          , validFrom("")
+          , validUntil("")
+          , issuerDName("")
+          , realm("")
+          , maySave(true)
       {
       }
 
       SslServerTrustData(const SslServerTrustData & src)
           : failures(src.failures)
+          , hostname(src.hostname)
+          , fingerprint(src.fingerprint)
+          , validFrom(src.validFrom)
+          , validUntil(src.validUntil)
+          , issuerDName(src.issuerDName)
+          , realm(src.realm)
+          , maySave(src.maySave)
       {
-        hostname = src.hostname;
-        fingerprint = src.fingerprint;
-        validFrom = src.validFrom;
-        validUntil = src.validUntil;
-        issuerDName = src.issuerDName;
-        realm = src.realm;
-        maySave = src.maySave;
       }
 
       SslServerTrustData &
diff --git a/plugins/subversion/kdevsvncpp/dirent.cpp b/plugins/subversion/kdevsvncpp/dirent.cpp
--- a/plugins/subversion/kdevsvncpp/dirent.cpp
+++ b/plugins/subversion/kdevsvncpp/dirent.cpp
@@ -48,11 +48,14 @@
     }
 
     Data(const char * _name, const svn_dirent_t * dirEntry)
-        : name(_name), kind(dirEntry->kind), size(dirEntry->size),
-        hasProps(dirEntry->has_props != 0),
-        createdRev(dirEntry->created_rev), time(dirEntry->time)
+        : name(_name)
+        , kind(dirEntry->kind)
+        , size(dirEntry->size)
+        , hasProps(dirEntry->has_props != 0)
+        , createdRev(dirEntry->created_rev)
+        , time(dirEntry->time)
+        , lastAuthor(dirEntry->last_author ? dirEntry->last_author : "")
     {
-      lastAuthor = dirEntry->last_author == nullptr ? "" : dirEntry->last_author;
     }
 
     Data(const DirEntry & src)
diff --git a/plugins/subversion/kdevsvncpp/targets.cpp b/plugins/subversion/kdevsvncpp/targets.cpp
--- a/plugins/subversion/kdevsvncpp/targets.cpp
+++ b/plugins/subversion/kdevsvncpp/targets.cpp
@@ -37,8 +37,8 @@
 namespace svn
 {
   Targets::Targets(const PathVector & targets)
+    : m_targets(targets)
   {
-    m_targets = targets;
   }
 
   Targets::Targets(const apr_array_header_t * apr_targets)
@@ -58,8 +58,8 @@
   }
 
   Targets::Targets(const Targets & targets)
+    : m_targets(targets.targets())
   {
-    m_targets = targets.targets();
   }
 
   Targets::Targets(const char * target)
diff --git a/project/projectbuildsetmodel.cpp b/project/projectbuildsetmodel.cpp
--- a/project/projectbuildsetmodel.cpp
+++ b/project/projectbuildsetmodel.cpp
@@ -53,8 +53,8 @@
 }
 
 BuildItem::BuildItem( const BuildItem& rhs )
+    : m_itemPath(rhs.itemPath())
 {
-    m_itemPath = rhs.itemPath();
 }
 
 void BuildItem::initializeFromItem( KDevelop::ProjectBaseItem* item )