diff --git a/src/plugins/genericprojectmanager/genericproject.cpp b/src/plugins/genericprojectmanager/genericproject.cpp
index 3a8af924bb9..ad39fa8f051 100644
--- a/src/plugins/genericprojectmanager/genericproject.cpp
+++ b/src/plugins/genericprojectmanager/genericproject.cpp
@@ -254,7 +254,7 @@ void GenericProject::refresh(RefreshOptions options)
         part->displayName = displayName();
         part->projectFile = projectFilePath();
 
-        part->includePaths += allIncludePaths();
+        part->includePaths += projectIncludePaths();
 
         Kit *k = activeTarget() ? activeTarget()->kit() : KitManager::defaultKit();
         if (ToolChain *tc = ToolChainKitInformation::toolChain(k)) {
@@ -337,15 +337,6 @@ QStringList GenericProject::processEntries(const QStringList &paths,
     return absolutePaths;
 }
 
-QStringList GenericProject::allIncludePaths() const
-{
-    QStringList paths;
-    paths += m_includePaths;
-    paths += m_projectIncludePaths;
-    paths.removeDuplicates();
-    return paths;
-}
-
 QStringList GenericProject::projectIncludePaths() const
 {
     return m_projectIncludePaths;
@@ -356,16 +347,6 @@ QStringList GenericProject::files() const
     return m_files;
 }
 
-QStringList GenericProject::includePaths() const
-{
-    return m_includePaths;
-}
-
-void GenericProject::setIncludePaths(const QStringList &includePaths)
-{
-    m_includePaths = includePaths;
-}
-
 QByteArray GenericProject::defines() const
 {
     return m_defines;
@@ -430,8 +411,6 @@ bool GenericProject::fromMap(const QVariantMap &map)
             t->addRunConfiguration(new QtSupport::CustomExecutableRunConfiguration(t));
     }
 
-    setIncludePaths(allIncludePaths());
-
     refresh(Everything);
     return true;
 }
diff --git a/src/plugins/genericprojectmanager/genericproject.h b/src/plugins/genericprojectmanager/genericproject.h
index f4f2fb54573..70d1f096083 100644
--- a/src/plugins/genericprojectmanager/genericproject.h
+++ b/src/plugins/genericprojectmanager/genericproject.h
@@ -86,7 +86,6 @@ public:
     void setIncludePaths(const QStringList &includePaths);
 
     QByteArray defines() const;
-    QStringList allIncludePaths() const;
     QStringList projectIncludePaths() const;
     QStringList files() const;
 
@@ -112,7 +111,6 @@ private:
     QStringList m_rawFileList;
     QStringList m_files;
     QHash<QString, QString> m_rawListEntries;
-    QStringList m_includePaths;
     QStringList m_projectIncludePaths;
     QByteArray m_defines;