diff --git a/src/plugins/cmakeprojectmanager/cmakeprocess.cpp b/src/plugins/cmakeprojectmanager/cmakeprocess.cpp
index 45c820974a4..ae39d5f9182 100644
--- a/src/plugins/cmakeprojectmanager/cmakeprocess.cpp
+++ b/src/plugins/cmakeprojectmanager/cmakeprocess.cpp
@@ -57,8 +57,10 @@ CMakeProcess::CMakeProcess()
 
 CMakeProcess::~CMakeProcess()
 {
-    if (m_process)
+    if (m_process) {
+        m_process->disconnect();
         Core::Reaper::reap(m_process.release());
+    }
 
     m_parser.flush();
 
diff --git a/src/plugins/coreplugin/reaper.cpp b/src/plugins/coreplugin/reaper.cpp
index c10c460e62c..78c9d40d411 100644
--- a/src/plugins/coreplugin/reaper.cpp
+++ b/src/plugins/coreplugin/reaper.cpp
@@ -159,7 +159,6 @@ void reap(QtcProcess *process, int timeoutMs)
 
     process->setStdOutCallback(nullptr);
     process->setStdErrCallback(nullptr);
-    process->disconnect();
 
     QTC_ASSERT(Internal::d, return);