diff --git a/src/plugins/cmakeprojectmanager/cmakerunconfiguration.h b/src/plugins/cmakeprojectmanager/cmakerunconfiguration.h
index 9457656f218..f4dbadb4064 100644
--- a/src/plugins/cmakeprojectmanager/cmakerunconfiguration.h
+++ b/src/plugins/cmakeprojectmanager/cmakerunconfiguration.h
@@ -173,6 +173,7 @@ public:
     QList<Core::Id> availableCreationIds(ProjectExplorer::Target *parent) const;
     QString displayNameForId(const Core::Id id) const;
 
+private:
     bool canHandle(ProjectExplorer::Target *parent) const;
 };
 
diff --git a/src/plugins/qtsupport/customexecutablerunconfiguration.h b/src/plugins/qtsupport/customexecutablerunconfiguration.h
index bec0505aea2..a0531fb0ee5 100644
--- a/src/plugins/qtsupport/customexecutablerunconfiguration.h
+++ b/src/plugins/qtsupport/customexecutablerunconfiguration.h
@@ -147,6 +147,7 @@ public:
     ProjectExplorer::RunConfiguration *clone(ProjectExplorer::Target *parent,
                                              ProjectExplorer::RunConfiguration *source);
 
+private:
     bool canHandle(ProjectExplorer::Target *parent) const;
 };