diff --git a/src/plugins/projectexplorer/project.cpp b/src/plugins/projectexplorer/project.cpp
index 73936993b94..30e1b18acc9 100644
--- a/src/plugins/projectexplorer/project.cpp
+++ b/src/plugins/projectexplorer/project.cpp
@@ -180,12 +180,10 @@ void Project::addTarget(Target *t)
 
     // add it
     d->m_targets.push_back(t);
-    connect(t, SIGNAL(environmentChanged()),
-            SLOT(changeEnvironment()));
-    connect(t, SIGNAL(buildConfigurationEnabledChanged()),
-            this, SLOT(changeBuildConfigurationEnabled()));
-    connect(t, SIGNAL(buildDirectoryChanged()),
-            this, SLOT(onBuildDirectoryChanged()));
+    connect(t, &Target::environmentChanged, this, &Project::changeEnvironment);
+    connect(t, &Target::buildConfigurationEnabledChanged,
+            this, &Project::changeBuildConfigurationEnabled);
+    connect(t, &Target::buildDirectoryChanged, this, &Project::onBuildDirectoryChanged);
     emit addedTarget(t);
 
     // check activeTarget:
diff --git a/src/plugins/projectexplorer/project.h b/src/plugins/projectexplorer/project.h
index b907a034433..6f08a7fe36f 100644
--- a/src/plugins/projectexplorer/project.h
+++ b/src/plugins/projectexplorer/project.h
@@ -61,8 +61,7 @@ class Target;
 class ProjectPrivate;
 
 // Documentation inside.
-class PROJECTEXPLORER_EXPORT Project
-    : public QObject
+class PROJECTEXPLORER_EXPORT Project : public QObject
 {
     friend class SessionManager; // for setActiveTarget
     Q_OBJECT
@@ -180,12 +179,11 @@ protected:
     void removeProjectLanguage(Core::Id id);
     void setProjectLanguage(Core::Id id, bool enabled);
 
-private slots:
+private:
     void changeEnvironment();
     void changeBuildConfigurationEnabled();
     void onBuildDirectoryChanged();
 
-private:
     void setActiveTarget(Target *target);
     ProjectPrivate *d;
 };