diff --git a/src/plugins/qmakeprojectmanager/qmakemakestep.cpp b/src/plugins/qmakeprojectmanager/qmakemakestep.cpp
index 176df4cad1c..d143637c3ff 100644
--- a/src/plugins/qmakeprojectmanager/qmakemakestep.cpp
+++ b/src/plugins/qmakeprojectmanager/qmakemakestep.cpp
@@ -64,14 +64,9 @@ QmakeMakeStep::QmakeMakeStep(BuildStepList *bsl)
     }
 }
 
-QmakeBuildConfiguration *QmakeMakeStep::qmakeBuildConfiguration() const
-{
-    return static_cast<QmakeBuildConfiguration *>(buildConfiguration());
-}
-
 bool QmakeMakeStep::init()
 {
-    QmakeBuildConfiguration *bc = qmakeBuildConfiguration();
+    const auto bc = static_cast<QmakeBuildConfiguration *>(buildConfiguration());
     if (!bc)
         emit addTask(Task::buildConfigurationMissingTask());
 
diff --git a/src/plugins/qmakeprojectmanager/qmakemakestep.h b/src/plugins/qmakeprojectmanager/qmakemakestep.h
index d1d78d19991..a1bd2b16493 100644
--- a/src/plugins/qmakeprojectmanager/qmakemakestep.h
+++ b/src/plugins/qmakeprojectmanager/qmakemakestep.h
@@ -30,9 +30,6 @@
 #include <projectexplorer/makestep.h>
 
 namespace QmakeProjectManager {
-
-class QmakeBuildConfiguration;
-
 namespace Internal {
 
 class QmakeMakeStepFactory : public ProjectExplorer::BuildStepFactory
@@ -52,8 +49,6 @@ class QMAKEPROJECTMANAGER_EXPORT QmakeMakeStep : public ProjectExplorer::MakeSte
 public:
     explicit QmakeMakeStep(ProjectExplorer::BuildStepList *bsl);
 
-    QmakeBuildConfiguration *qmakeBuildConfiguration() const;
-
 private:
     void finish(bool success) override;
     bool init() override;