diff --git a/src/plugins/cmakeprojectmanager/cmakeproject.cpp b/src/plugins/cmakeprojectmanager/cmakeproject.cpp
index bb09ec627a5..0a90def928e 100644
--- a/src/plugins/cmakeprojectmanager/cmakeproject.cpp
+++ b/src/plugins/cmakeprojectmanager/cmakeproject.cpp
@@ -105,6 +105,7 @@ CMakeProject::~CMakeProject()
 {
     setRootProjectNode(nullptr);
     m_codeModelFuture.cancel();
+    qDeleteAll(m_watchedFiles);
     qDeleteAll(m_extraCompilers);
 }