diff --git a/src/plugins/qmakeprojectmanager/qmakeprojectimporter.cpp b/src/plugins/qmakeprojectmanager/qmakeprojectimporter.cpp
index 6b846b401e824977c36276121eb230acdc873d1c..271958ef9b129fd1d12d9217fdd8e25eb682e8f0 100644
--- a/src/plugins/qmakeprojectmanager/qmakeprojectimporter.cpp
+++ b/src/plugins/qmakeprojectmanager/qmakeprojectimporter.cpp
@@ -50,47 +50,49 @@
 
 #include <QDir>
 #include <QFileInfo>
-#include <QStringList>
-
 #include <QMessageBox>
+#include <QStringList>
 
-static const Core::Id QT_IS_TEMPORARY("Qmake.TempQt");
+using namespace ProjectExplorer;
+using namespace QtSupport;
+using namespace Utils;
 
 namespace QmakeProjectManager {
 namespace Internal {
 
+const Core::Id QT_IS_TEMPORARY("Qmake.TempQt");
+
 QmakeProjectImporter::QmakeProjectImporter(const QString &path) :
-    ProjectExplorer::ProjectImporter(path)
+    ProjectImporter(path)
 { }
 
-QList<ProjectExplorer::BuildInfo *> QmakeProjectImporter::import(const Utils::FileName &importPath,
-                                                                 bool silent)
+QList<BuildInfo *> QmakeProjectImporter::import(const FileName &importPath, bool silent)
 {
-    QList<ProjectExplorer::BuildInfo *> result;
+    QList<BuildInfo *> result;
     QFileInfo fi = importPath.toFileInfo();
     if (!fi.exists() && !fi.isDir())
         return result;
 
     QStringList makefiles = QDir(importPath.toString()).entryList(QStringList(QLatin1String("Makefile*")));
 
-    QtSupport::BaseQtVersion *version = 0;
+    BaseQtVersion *version = 0;
     bool temporaryVersion = false;
 
     foreach (const QString &file, makefiles) {
         // find interesting makefiles
         QString makefile = importPath.toString() + QLatin1Char('/') + file;
-        Utils::FileName qmakeBinary = QtSupport::QtVersionManager::findQMakeBinaryFromMakefile(makefile);
+        FileName qmakeBinary = QtVersionManager::findQMakeBinaryFromMakefile(makefile);
         QFileInfo qmakeFi = qmakeBinary.toFileInfo();
-        Utils::FileName canonicalQmakeBinary = Utils::FileName::fromString(qmakeFi.canonicalFilePath());
+        FileName canonicalQmakeBinary = FileName::fromString(qmakeFi.canonicalFilePath());
         if (canonicalQmakeBinary.isEmpty())
             continue;
-        if (QtSupport::QtVersionManager::makefileIsFor(makefile, projectFilePath()) != QtSupport::QtVersionManager::SameProject)
+        if (QtVersionManager::makefileIsFor(makefile, projectFilePath()) != QtVersionManager::SameProject)
             continue;
 
         // Find version:
-        foreach (QtSupport::BaseQtVersion *v, QtSupport::QtVersionManager::versions()) {
+        foreach (BaseQtVersion *v, QtVersionManager::versions()) {
             QFileInfo vfi = v->qmakeCommand().toFileInfo();
-            Utils::FileName current = Utils::FileName::fromString(vfi.canonicalFilePath());
+            FileName current = FileName::fromString(vfi.canonicalFilePath());
             if (current == canonicalQmakeBinary) {
                 version = v;
                 break;
@@ -100,48 +102,48 @@ QList<ProjectExplorer::BuildInfo *> QmakeProjectImporter::import(const Utils::Fi
         if (version) {
             // Check if version is a temporary qt
             int qtId = version->uniqueId();
-            temporaryVersion = Utils::anyOf(ProjectExplorer::KitManager::kits(), [&qtId](ProjectExplorer::Kit *k){
+            temporaryVersion = Utils::anyOf(KitManager::kits(), [&qtId](Kit *k){
                 return k->value(QT_IS_TEMPORARY, -1).toInt() == qtId;
             });
         } else {
             // Create a new version if not found:
             // Do not use the canonical path here...
-            version = QtSupport::QtVersionFactory::createQtVersionFromQMakePath(qmakeBinary);
+            version = QtVersionFactory::createQtVersionFromQMakePath(qmakeBinary);
             if (!version)
                 continue;
 
             bool oldIsUpdating = setIsUpdating(true);
-            QtSupport::QtVersionManager::addVersion(version);
+            QtVersionManager::addVersion(version);
             setIsUpdating(oldIsUpdating);
             temporaryVersion = true;
         }
 
         // find qmake arguments and mkspec
-        QPair<QtSupport::BaseQtVersion::QmakeBuildConfigs, QString> makefileBuildConfig =
-                QtSupport::QtVersionManager::scanMakeFile(makefile, version->defaultBuildConfig());
+        QPair<BaseQtVersion::QmakeBuildConfigs, QString> makefileBuildConfig =
+                QtVersionManager::scanMakeFile(makefile, version->defaultBuildConfig());
 
         QString additionalArguments = makefileBuildConfig.second;
-        Utils::FileName parsedSpec =
+        FileName parsedSpec =
                 QmakeBuildConfiguration::extractSpecFromArguments(&additionalArguments, importPath.toString(), version);
         QStringList deducedArguments =
                 QmakeBuildConfiguration::extractDeducedArguments(&additionalArguments);
 
-        Utils::FileName versionSpec = version->mkspec();
-        if (parsedSpec.isEmpty() || parsedSpec == Utils::FileName::fromLatin1("default"))
+        FileName versionSpec = version->mkspec();
+        if (parsedSpec.isEmpty() || parsedSpec == FileName::fromLatin1("default"))
             parsedSpec = versionSpec;
 
         QString specArgument;
         // Compare mkspecs and add to additional arguments
         if (parsedSpec != versionSpec)
-            specArgument = QLatin1String("-spec ") + Utils::QtcProcess::quoteArg(parsedSpec.toUserOutput());
-        Utils::QtcProcess::addArgs(&specArgument, additionalArguments);
+            specArgument = QLatin1String("-spec ") + QtcProcess::quoteArg(parsedSpec.toUserOutput());
+        QtcProcess::addArgs(&specArgument, additionalArguments);
 
         // Find kits (can be more than one, e.g. (Linux-)Desktop and embedded linux):
-        QList<ProjectExplorer::Kit *> kitList;
-        foreach (ProjectExplorer::Kit *k, ProjectExplorer::KitManager::kits()) {
-            QtSupport::BaseQtVersion *kitVersion = QtSupport::QtKitInformation::qtVersion(k);
-            Utils::FileName kitSpec = QmakeKitInformation::mkspec(k);
-            ProjectExplorer::ToolChain *tc = ProjectExplorer::ToolChainKitInformation::toolChain(k);
+        QList<Kit *> kitList = KitManager::kits();
+        foreach (Kit *k, kitList) {
+            BaseQtVersion *kitVersion = QtKitInformation::qtVersion(k);
+            FileName kitSpec = QmakeKitInformation::mkspec(k);
+            ToolChain *tc = ToolChainKitInformation::toolChain(k);
             if (kitSpec.isEmpty() && kitVersion)
                 kitSpec = kitVersion->mkspecFor(tc);
             QStringList kitDeducedArguments;
@@ -156,32 +158,31 @@ QList<ProjectExplorer::BuildInfo *> QmakeProjectImporter::import(const Utils::Fi
         if (kitList.isEmpty())
             kitList.append(createTemporaryKit(version, temporaryVersion, parsedSpec, deducedArguments));
 
-        foreach (ProjectExplorer::Kit *k, kitList) {
+        foreach (Kit *k, kitList) {
             addProject(k);
 
-            QmakeBuildConfigurationFactory *factory
-                    = qobject_cast<QmakeBuildConfigurationFactory *>(
-                        ProjectExplorer::IBuildConfigurationFactory::find(k, projectFilePath()));
+            auto factory = qobject_cast<QmakeBuildConfigurationFactory *>(
+                        IBuildConfigurationFactory::find(k, projectFilePath()));
 
             if (!factory)
                 continue;
 
             // create info:
             QmakeBuildInfo *info = new QmakeBuildInfo(factory);
-            if (makefileBuildConfig.first & QtSupport::BaseQtVersion::DebugBuild) {
-                info->type = ProjectExplorer::BuildConfiguration::Debug;
+            if (makefileBuildConfig.first & BaseQtVersion::DebugBuild) {
+                info->type = BuildConfiguration::Debug;
                 info->displayName = QCoreApplication::translate("QmakeProjectManager::Internal::QmakeProjectImporter", "Debug");
             } else {
-                info->type = ProjectExplorer::BuildConfiguration::Release;
+                info->type = BuildConfiguration::Release;
                 info->displayName = QCoreApplication::translate("QmakeProjectManager::Internal::QmakeProjectImporter", "Release");
             }
             info->kitId = k->id();
-            info->buildDirectory = Utils::FileName::fromString(fi.absoluteFilePath());
+            info->buildDirectory = FileName::fromString(fi.absoluteFilePath());
             info->additionalArguments = additionalArguments;
             info->makefile = makefile;
 
             bool found = false;
-            foreach (ProjectExplorer::BuildInfo *bInfo, result) {
+            foreach (BuildInfo *bInfo, result) {
                 if (*static_cast<QmakeBuildInfo *>(bInfo) == *info) {
                     found = true;
                     break;
@@ -203,7 +204,7 @@ QList<ProjectExplorer::BuildInfo *> QmakeProjectImporter::import(const Utils::Fi
     return result;
 }
 
-QStringList QmakeProjectImporter::importCandidates(const Utils::FileName &projectPath)
+QStringList QmakeProjectImporter::importCandidates(const FileName &projectPath)
 {
     QStringList candidates;
 
@@ -211,8 +212,7 @@ QStringList QmakeProjectImporter::importCandidates(const Utils::FileName &projec
     const QString prefix = pfi.baseName();
     candidates << pfi.absolutePath();
 
-    QList<ProjectExplorer::Kit *> kitList = ProjectExplorer::KitManager::kits();
-    foreach (ProjectExplorer::Kit *k, kitList) {
+    foreach (Kit *k, KitManager::kits()) {
         QFileInfo fi(QmakeBuildConfiguration::shadowBuildDirectory(projectPath.toString(), k, QString()));
         const QString baseDir = fi.absolutePath();
 
@@ -225,18 +225,18 @@ QStringList QmakeProjectImporter::importCandidates(const Utils::FileName &projec
     return candidates;
 }
 
-ProjectExplorer::Target *QmakeProjectImporter::preferredTarget(const QList<ProjectExplorer::Target *> &possibleTargets)
+Target *QmakeProjectImporter::preferredTarget(const QList<Target *> &possibleTargets)
 {
     // Select active target
     // a) The default target
     // b) Simulator target
     // c) Desktop target
     // d) the first target
-    ProjectExplorer::Target *activeTarget = possibleTargets.isEmpty() ? 0 : possibleTargets.at(0);
+    Target *activeTarget = possibleTargets.isEmpty() ? 0 : possibleTargets.at(0);
     int activeTargetPriority = 0;
-    foreach (ProjectExplorer::Target *t, possibleTargets) {
-        QtSupport::BaseQtVersion *version = QtSupport::QtKitInformation::qtVersion(t->kit());
-        if (t->kit() == ProjectExplorer::KitManager::defaultKit()) {
+    foreach (Target *t, possibleTargets) {
+        BaseQtVersion *version = QtKitInformation::qtVersion(t->kit());
+        if (t->kit() == KitManager::defaultKit()) {
             activeTarget = t;
             activeTargetPriority = 3;
         } else if (activeTargetPriority < 2 && version && version->type() == QLatin1String(QtSupport::Constants::SIMULATORQT)) {
@@ -250,74 +250,72 @@ ProjectExplorer::Target *QmakeProjectImporter::preferredTarget(const QList<Proje
     return activeTarget;
 }
 
-void QmakeProjectImporter::cleanupKit(ProjectExplorer::Kit *k)
+void QmakeProjectImporter::cleanupKit(Kit *k)
 {
-    QtSupport::BaseQtVersion *version = QtSupport::QtVersionManager::version(k->value(QT_IS_TEMPORARY, -1).toInt());
+    BaseQtVersion *version = QtVersionManager::version(k->value(QT_IS_TEMPORARY, -1).toInt());
     if (!version)
         return;
 
     // count how many kits are using this version
     int qtId = version->uniqueId();
-    int count = Utils::count(ProjectExplorer::KitManager::kits(), [qtId](ProjectExplorer::Kit *k) {
+    int users = Utils::count(KitManager::kits(), [qtId](Kit *k) {
         return k->value(QT_IS_TEMPORARY, -1).toInt() == qtId;
     });
 
-    if (count == 0) // Remove if no other kit is using it. (The Kit k is not in KitManager::kits()
-        QtSupport::QtVersionManager::removeVersion(version);
+    if (users == 0) // Remove if no other kit is using it. (The Kit k is not in KitManager::kits()
+        QtVersionManager::removeVersion(version);
 }
 
-void QmakeProjectImporter::makePermanent(ProjectExplorer::Kit *k)
+void QmakeProjectImporter::makePermanent(Kit *k)
 {
     if (!isTemporaryKit(k))
         return;
     setIsUpdating(true);
     int tempId = k->value(QT_IS_TEMPORARY, -1).toInt();
-    int qtId = QtSupport::QtKitInformation::qtVersionId(k);
+    int qtId = QtKitInformation::qtVersionId(k);
     if (tempId != qtId) {
-        QtSupport::BaseQtVersion *version = QtSupport::QtVersionManager::version(tempId);
-        int count = Utils::count(ProjectExplorer::KitManager::kits(), [tempId](ProjectExplorer::Kit *k) {
+        BaseQtVersion *version = QtVersionManager::version(tempId);
+        int users = count(KitManager::kits(), [tempId](Kit *k) {
             return k->value(QT_IS_TEMPORARY, -1).toInt() == tempId;
         });
-        if (count == 0)
-            QtSupport::QtVersionManager::removeVersion(version);
+        if (users == 0)
+            QtVersionManager::removeVersion(version);
     }
 
-    foreach (ProjectExplorer::Kit *kit, ProjectExplorer::KitManager::kits())
+    foreach (Kit *kit, KitManager::kits())
         if (kit->value(QT_IS_TEMPORARY, -1).toInt() == tempId)
             kit->removeKeySilently(QT_IS_TEMPORARY);
     setIsUpdating(false);
     ProjectImporter::makePermanent(k);
 }
 
-namespace {
-ProjectExplorer::ToolChain *preferredToolChain(QtSupport::BaseQtVersion *qtVersion, const Utils::FileName &ms, const QStringList &deducedArguments)
+static ToolChain *preferredToolChain(BaseQtVersion *qtVersion, const FileName &ms, const QStringList &deducedArguments)
 {
-    const Utils::FileName spec = ms.isEmpty() ? qtVersion->mkspec() : ms;
+    const FileName spec = ms.isEmpty() ? qtVersion->mkspec() : ms;
 
-    QList<ProjectExplorer::ToolChain *> toolchains = ProjectExplorer::ToolChainManager::toolChains();
-    QList<ProjectExplorer::Abi> qtAbis = qtVersion->qtAbis();
-    return Utils::findOr(toolchains,
+    QList<ToolChain *> toolchains = ToolChainManager::toolChains();
+    QList<Abi> qtAbis = qtVersion->qtAbis();
+    return findOr(toolchains,
                          toolchains.isEmpty() ? 0 : toolchains.first(),
-                         [&spec, &deducedArguments, &qtAbis](ProjectExplorer::ToolChain *tc) -> bool{
+                         [&spec, &deducedArguments, &qtAbis](ToolChain *tc) -> bool{
                                 return qtAbis.contains(tc->targetAbi())
                                         && tc->suggestedMkspecList().contains(spec)
                                         && QmakeBuildConfiguration::deduceArgumnetsForTargetAbi(tc->targetAbi(), 0) == deducedArguments;
                           });
 }
-}
 
-ProjectExplorer::Kit *QmakeProjectImporter::createTemporaryKit(QtSupport::BaseQtVersion *version,
-                                                               bool temporaryVersion,
-                                                               const Utils::FileName &parsedSpec,
-                                                               const QStringList &deducedQmakeArguments)
+Kit *QmakeProjectImporter::createTemporaryKit(BaseQtVersion *version,
+                                              bool temporaryVersion,
+                                              const FileName &parsedSpec,
+                                              const QStringList &deducedQmakeArguments)
 {
-    ProjectExplorer::Kit *k = new ProjectExplorer::Kit;
+    Kit *k = new Kit;
     bool oldIsUpdating = setIsUpdating(true);
     {
-        ProjectExplorer::KitGuard guard(k);
+        KitGuard guard(k);
 
-        QtSupport::QtKitInformation::setQtVersion(k, version);
-        ProjectExplorer::ToolChainKitInformation::setToolChain(k, preferredToolChain(version, parsedSpec, deducedQmakeArguments));
+        QtKitInformation::setQtVersion(k, version);
+        ToolChainKitInformation::setToolChain(k, preferredToolChain(version, parsedSpec, deducedQmakeArguments));
         QmakeKitInformation::setMkspec(k, parsedSpec);
 
         markTemporary(k);
@@ -325,16 +323,15 @@ ProjectExplorer::Kit *QmakeProjectImporter::createTemporaryKit(QtSupport::BaseQt
             k->setValue(QT_IS_TEMPORARY, version->uniqueId());
 
         // Set up other values:
-        foreach (ProjectExplorer::KitInformation *ki, ProjectExplorer::KitManager::kitInformation()) {
-            if (ki->id() == ProjectExplorer::ToolChainKitInformation::id()
-                    || ki->id() == QtSupport::QtKitInformation::id())
+        foreach (KitInformation *ki, KitManager::kitInformation()) {
+            if (ki->id() == ToolChainKitInformation::id() || ki->id() == QtKitInformation::id())
                 continue;
             ki->setup(k);
         }
         k->setUnexpandedDisplayName(version->displayName());;
     } // ~KitGuard, sending kitUpdated
 
-    ProjectExplorer::KitManager::registerKit(k); // potentially adds kits to other targetsetuppages
+    KitManager::registerKit(k); // potentially adds kits to other targetsetuppages
     setIsUpdating(oldIsUpdating);
     return k;
 }