diff --git a/src/plugins/cmakeprojectmanager/builddirmanager.cpp b/src/plugins/cmakeprojectmanager/builddirmanager.cpp
index 574cfa6ec87..2b440b22ddc 100644
--- a/src/plugins/cmakeprojectmanager/builddirmanager.cpp
+++ b/src/plugins/cmakeprojectmanager/builddirmanager.cpp
@@ -337,6 +337,8 @@ QSet<Core::Id> BuildDirManager::updateCodeModel(CppTools::ProjectPartBuilder &pp
 
 void BuildDirManager::parse()
 {
+    TaskHub::clearTasks(ProjectExplorer::Constants::TASK_CATEGORY_BUILDSYSTEM);
+
     updateReaderType([this]() { parseOnceReaderReady(false); });
 }