diff --git a/src/plugins/clangcodemodel/clangbackendipcintegration.h b/src/plugins/clangcodemodel/clangbackendipcintegration.h
index a85ec6d5a17..df69ef08130 100644
--- a/src/plugins/clangcodemodel/clangbackendipcintegration.h
+++ b/src/plugins/clangcodemodel/clangbackendipcintegration.h
@@ -36,6 +36,8 @@
 #include <QSharedPointer>
 #include <QVector>
 
+#include <functional>
+
 namespace Core {
 class IEditor;
 class IDocument;
diff --git a/src/plugins/clangcodemodel/clangcompletionassistprocessor.h b/src/plugins/clangcodemodel/clangcompletionassistprocessor.h
index 56779a4b019..854d3332a95 100644
--- a/src/plugins/clangcodemodel/clangcompletionassistprocessor.h
+++ b/src/plugins/clangcodemodel/clangcompletionassistprocessor.h
@@ -31,6 +31,7 @@
 
 #include <clangbackendipc/codecompletion.h>
 
+#include <QCoreApplication>
 #include <QTextCursor>
 
 namespace ClangCodeModel {
diff --git a/src/plugins/cpptools/compileroptionsbuilder.cpp b/src/plugins/cpptools/compileroptionsbuilder.cpp
index d99692536dd..aef7626344f 100644
--- a/src/plugins/cpptools/compileroptionsbuilder.cpp
+++ b/src/plugins/cpptools/compileroptionsbuilder.cpp
@@ -97,9 +97,9 @@ void CompilerOptionsBuilder::addWordWidth()
 
 void CompilerOptionsBuilder::addTargetTriple()
 {
-    if (!m_projectPart.targetTriple.isEmpty()) {
+    if (!m_projectPart.toolChainTargetTriple.isEmpty()) {
         m_options.append(QLatin1String("-target"));
-        m_options.append(m_projectPart.targetTriple);
+        m_options.append(m_projectPart.toolChainTargetTriple);
     }
 }
 
diff --git a/src/plugins/cpptools/cppbaseprojectpartbuilder.cpp b/src/plugins/cpptools/cppbaseprojectpartbuilder.cpp
index 06d7c678d50..e1e7d9879d0 100644
--- a/src/plugins/cpptools/cppbaseprojectpartbuilder.cpp
+++ b/src/plugins/cpptools/cppbaseprojectpartbuilder.cpp
@@ -184,7 +184,7 @@ public:
         m_projectPart.toolchainType = m_toolChain.type();
         m_projectPart.isMsvc2015Toolchain = m_toolChain.isMsvc2015Toolchain();
         m_projectPart.toolChainWordWidth = mapWordWith(m_toolChain.wordWidth());
-        m_projectPart.targetTriple = m_toolChain.targetTriple();
+        m_projectPart.toolChainTargetTriple = m_toolChain.targetTriple();
     }
 
 private:
diff --git a/src/plugins/cpptools/projectpart.cpp b/src/plugins/cpptools/projectpart.cpp
index 48dbf1c18ab..1aa94374d31 100644
--- a/src/plugins/cpptools/projectpart.cpp
+++ b/src/plugins/cpptools/projectpart.cpp
@@ -25,23 +25,12 @@
 
 #include "projectpart.h"
 
+#include <QFile>
 #include <QDir>
 #include <QTextStream>
 
 namespace CppTools {
 
-ProjectPart::ProjectPart()
-    : project(0)
-    , toolChainWordWidth(WordWidth32Bit)
-    , isMsvc2015Toolchain(false)
-    , languageVersion(LatestCxxVersion)
-    , languageExtensions(NoExtensions)
-    , qtVersion(UnknownQt)
-    , warningFlags(ProjectExplorer::WarningFlags::Default)
-    , selectedForBuilding(true)
-{
-}
-
 void ProjectPart::updateLanguageFeatures()
 {
     const bool hasQt = qtVersion != NoQt;
@@ -80,11 +69,11 @@ QString ProjectPart::id() const
     return projectPartId;
 }
 
-QByteArray ProjectPart::readProjectConfigFile(const ProjectPart::Ptr &part)
+QByteArray ProjectPart::readProjectConfigFile(const Ptr &projectPart)
 {
     QByteArray result;
 
-    QFile f(part->projectConfigFile);
+    QFile f(projectPart->projectConfigFile);
     if (f.open(QIODevice::ReadOnly)) {
         QTextStream is(&f);
         result = is.readAll().toUtf8();
diff --git a/src/plugins/cpptools/projectpart.h b/src/plugins/cpptools/projectpart.h
index c75d494adc1..a9e6e1e74cf 100644
--- a/src/plugins/cpptools/projectpart.h
+++ b/src/plugins/cpptools/projectpart.h
@@ -34,8 +34,6 @@
 
 #include <coreplugin/id.h>
 
-#include <utils/fileutils.h>
-
 #include <cplusplus/Token.h>
 
 #include <QString>
@@ -49,7 +47,7 @@ namespace CppTools {
 
 class CPPTOOLS_EXPORT ProjectPart
 {
-public: // Types
+public:
     enum LanguageVersion {
         C89,
         C99,
@@ -71,16 +69,19 @@ public: // Types
         OpenMPExtensions     = 1 << 3,
         ObjectiveCExtensions = 1 << 4,
 
-        AllExtensions = GnuExtensions | MicrosoftExtensions | BorlandExtensions | OpenMPExtensions
+        AllExtensions = GnuExtensions
+                      | MicrosoftExtensions
+                      | BorlandExtensions
+                      | OpenMPExtensions
                       | ObjectiveCExtensions
     };
     Q_DECLARE_FLAGS(LanguageExtensions, LanguageExtension)
 
     enum QtVersion {
         UnknownQt = -1,
-        NoQt = 0,
-        Qt4 = 1,
-        Qt5 = 2
+        NoQt,
+        Qt4,
+        Qt5
     };
 
     enum ToolChainWordWidth {
@@ -90,37 +91,42 @@ public: // Types
 
     using Ptr = QSharedPointer<ProjectPart>;
 
-
-public: // methods
-    ProjectPart();
-
-    void updateLanguageFeatures();
-    Ptr copy() const;
-
+public:
     QString id() const;
 
-    static QByteArray readProjectConfigFile(const ProjectPart::Ptr &part);
+    Ptr copy() const;
+    void updateLanguageFeatures();
+
+    static QByteArray readProjectConfigFile(const Ptr &projectPart);
+
+public:
+    ProjectExplorer::Project *project = nullptr;
 
-public: // fields
     QString displayName;
+
     QString projectFile;
-    ProjectExplorer::Project *project;
-    ProjectFiles files;
     QString projectConfigFile; // currently only used by the Generic Project Manager
-    QByteArray projectDefines;
-    QByteArray toolchainDefines;
-    Core::Id toolchainType;
-    ToolChainWordWidth toolChainWordWidth;
-    bool isMsvc2015Toolchain;
-    QString targetTriple;
-    ProjectPartHeaderPaths headerPaths;
+
+    ProjectFiles files;
+
     QStringList precompiledHeaders;
-    LanguageVersion languageVersion;
-    LanguageExtensions languageExtensions;
+    ProjectPartHeaderPaths headerPaths;
+
+    QByteArray projectDefines;
+
+    LanguageVersion languageVersion = LatestCxxVersion;
+    LanguageExtensions languageExtensions = NoExtensions;
+    ProjectExplorer::WarningFlags warningFlags = ProjectExplorer::WarningFlags::Default;
+    QtVersion qtVersion = UnknownQt;
     CPlusPlus::LanguageFeatures languageFeatures;
-    QtVersion qtVersion;
-    ProjectExplorer::WarningFlags warningFlags;
-    bool selectedForBuilding;
+
+    bool selectedForBuilding = true;
+
+    Core::Id toolchainType;
+    bool isMsvc2015Toolchain = false;
+    QByteArray toolchainDefines;
+    ToolChainWordWidth toolChainWordWidth = WordWidth32Bit;
+    QString toolChainTargetTriple;
 };
 
 } // namespace CppTools