diff --git a/src/plugins/qmakeprojectmanager/qmakeparsernodes.cpp b/src/plugins/qmakeprojectmanager/qmakeparsernodes.cpp
index 5abc263c6da..1611156d6b5 100644
--- a/src/plugins/qmakeprojectmanager/qmakeparsernodes.cpp
+++ b/src/plugins/qmakeprojectmanager/qmakeparsernodes.cpp
@@ -218,15 +218,6 @@ QSet<FileName> QmakePriFile::files(const FileType &type) const
     return m_files.value(type);
 }
 
-bool QmakePriFile::buildsFile(const FileName &fn) const
-{
-    for (auto it = m_files.constBegin(); it != m_files.constEnd(); ++it) {
-        if (it.value().contains(fn))
-            return true;
-    }
-    return false;
-}
-
 QmakePriFile::~QmakePriFile()
 {
     watchFolders( {} );
diff --git a/src/plugins/qmakeprojectmanager/qmakeparsernodes.h b/src/plugins/qmakeprojectmanager/qmakeparsernodes.h
index a1ad876f76a..2cad1340cc8 100644
--- a/src/plugins/qmakeprojectmanager/qmakeparsernodes.h
+++ b/src/plugins/qmakeprojectmanager/qmakeparsernodes.h
@@ -127,7 +127,6 @@ public:
     void makeEmpty();
 
     QSet<Utils::FileName> files(const ProjectExplorer::FileType &type) const;
-    bool buildsFile(const Utils::FileName &fn) const;
 
     void update(const Internal::QmakePriFileEvalResult &result);