diff --git a/src/libs/tracing/timelinenotesmodel.cpp b/src/libs/tracing/timelinenotesmodel.cpp
index c73e55f07d2..fcbb91d0031 100644
--- a/src/libs/tracing/timelinenotesmodel.cpp
+++ b/src/libs/tracing/timelinenotesmodel.cpp
@@ -23,6 +23,7 @@
 **
 ****************************************************************************/
 
+#include "timelinemodel.h"
 #include "timelinenotesmodel_p.h"
 
 namespace Timeline {
diff --git a/src/libs/tracing/timelinenotesmodel.h b/src/libs/tracing/timelinenotesmodel.h
index 6826ed4721f..8db19e233d3 100644
--- a/src/libs/tracing/timelinenotesmodel.h
+++ b/src/libs/tracing/timelinenotesmodel.h
@@ -25,10 +25,12 @@
 
 #pragma once
 
-#include "timelinemodel.h"
+#include "tracing_global.h"
+#include <QObject>
 
 namespace Timeline {
 
+class TimelineModel;
 class TRACING_EXPORT TimelineNotesModel : public QObject
 {
     Q_OBJECT
diff --git a/src/libs/tracing/timelinetracemanager.cpp b/src/libs/tracing/timelinetracemanager.cpp
index dcc8d322b56..0482e6df2a0 100644
--- a/src/libs/tracing/timelinetracemanager.cpp
+++ b/src/libs/tracing/timelinetracemanager.cpp
@@ -23,6 +23,7 @@
 **
 ****************************************************************************/
 
+#include "timelinenotesmodel.h"
 #include "timelinetracemanager.h"
 #include "timelinetracefile.h"
 
diff --git a/src/libs/tracing/timelinetracemanager.h b/src/libs/tracing/timelinetracemanager.h
index fb8cd561d88..4b57a536d90 100644
--- a/src/libs/tracing/timelinetracemanager.h
+++ b/src/libs/tracing/timelinetracemanager.h
@@ -26,7 +26,6 @@
 #pragma once
 
 #include "tracing_global.h"
-#include "timelinenotesmodel.h"
 #include "traceevent.h"
 #include "traceeventtype.h"
 
@@ -60,6 +59,7 @@ public:
     virtual bool replay(const std::function<bool(TraceEvent &&)> &receiver) const = 0;
 };
 
+class TimelineNotesModel;
 class TimelineTraceFile;
 class TRACING_EXPORT TimelineTraceManager : public QObject
 {
diff --git a/src/plugins/qmlprofiler/qmlprofilernotesmodel.cpp b/src/plugins/qmlprofiler/qmlprofilernotesmodel.cpp
index 337df16c019..35ac01a5ae2 100644
--- a/src/plugins/qmlprofiler/qmlprofilernotesmodel.cpp
+++ b/src/plugins/qmlprofiler/qmlprofilernotesmodel.cpp
@@ -25,6 +25,7 @@
 
 #include "qmlprofilernotesmodel.h"
 
+#include <tracing/timelinemodel.h>
 #include <utils/algorithm.h>
 
 namespace QmlProfiler {