diff --git a/src/plugins/qmakeprojectmanager/desktopqmakerunconfiguration.cpp b/src/plugins/qmakeprojectmanager/desktopqmakerunconfiguration.cpp
index f25b77a65fc..70c601f73ed 100644
--- a/src/plugins/qmakeprojectmanager/desktopqmakerunconfiguration.cpp
+++ b/src/plugins/qmakeprojectmanager/desktopqmakerunconfiguration.cpp
@@ -54,8 +54,6 @@ using namespace Utils;
 namespace QmakeProjectManager {
 namespace Internal {
 
-const char PRO_FILE_KEY[] = "Qt4ProjectManager.Qt4RunConfiguration.ProFile";
-
 //
 // DesktopQmakeRunConfiguration
 //
@@ -107,15 +105,6 @@ void DesktopQmakeRunConfiguration::updateTargetInformation()
     aspect<ExecutableAspect>()->setExecutable(bti.targetFilePath);
 }
 
-QVariantMap DesktopQmakeRunConfiguration::toMap() const
-{
-    // FIXME: For compatibility purposes in the 4.7 dev cycle only.
-    const QDir projectDir = QDir(target()->project()->projectDirectory().toString());
-    QVariantMap map(RunConfiguration::toMap());
-    map.insert(QLatin1String(PRO_FILE_KEY), projectDir.relativeFilePath(proFilePath().toString()));
-    return map;
-}
-
 bool DesktopQmakeRunConfiguration::fromMap(const QVariantMap &map)
 {
     const bool res = RunConfiguration::fromMap(map);
diff --git a/src/plugins/qmakeprojectmanager/desktopqmakerunconfiguration.h b/src/plugins/qmakeprojectmanager/desktopqmakerunconfiguration.h
index d5cb6a8d3a1..8d7a2ea0de8 100644
--- a/src/plugins/qmakeprojectmanager/desktopqmakerunconfiguration.h
+++ b/src/plugins/qmakeprojectmanager/desktopqmakerunconfiguration.h
@@ -39,8 +39,6 @@ class DesktopQmakeRunConfiguration : public ProjectExplorer::RunConfiguration
 public:
     DesktopQmakeRunConfiguration(ProjectExplorer::Target *target, Core::Id id);
 
-    QVariantMap toMap() const override;
-
     void addToBaseEnvironment(Utils::Environment &env) const;
 
 private: