diff --git a/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp b/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp
index e23b5e2fc0f..df0892eb26c 100644
--- a/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp
+++ b/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp
@@ -171,12 +171,6 @@ CMakeBuildConfiguration::~CMakeBuildConfiguration()
     delete m_buildSystem;
 }
 
-
-QString CMakeBuildConfiguration::disabledReason() const
-{
-    return error();
-}
-
 QVariantMap CMakeBuildConfiguration::toMap() const
 {
     QVariantMap map(ProjectExplorer::BuildConfiguration::toMap());
diff --git a/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.h b/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.h
index 9d5b46c65a9..9592fa41694 100644
--- a/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.h
+++ b/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.h
@@ -82,8 +82,6 @@ private:
     QVariantMap toMap() const override;
     BuildType buildType() const override;
 
-    QString disabledReason() const override;
-
     ProjectExplorer::NamedWidget *createConfigWidget() override;
 
     bool fromMap(const QVariantMap &map) override;