diff --git a/src/plugins/clangcodemodel/pchmanager.cpp b/src/plugins/clangcodemodel/pchmanager.cpp
index 276c9be2a2e..03fe5994f8d 100644
--- a/src/plugins/clangcodemodel/pchmanager.cpp
+++ b/src/plugins/clangcodemodel/pchmanager.cpp
@@ -146,8 +146,6 @@ void PchManager::onProjectPartsUpdated(ProjectExplorer::Project *project)
     const QList<ProjectPart::Ptr> projectParts = mmi->projectInfo(
                 cps->project()).projectParts();
     updatePchInfo(cps, projectParts);
-
-    emit pchInfoUpdated();
 }
 
 void PchManager::updatePchInfo(ClangProjectSettings *cps,
diff --git a/src/plugins/clangcodemodel/pchmanager.h b/src/plugins/clangcodemodel/pchmanager.h
index 7b57345d94f..dafca695dbf 100644
--- a/src/plugins/clangcodemodel/pchmanager.h
+++ b/src/plugins/clangcodemodel/pchmanager.h
@@ -63,7 +63,6 @@ public:
     ClangProjectSettings *settingsForProject(ProjectExplorer::Project *project);
 
 signals:
-    void pchInfoUpdated(); // TODO: check if this is used
     void pchMessage(const QString &message, Core::MessageManager::PrintToOutputPaneFlags flags);
 
 public slots: