diff --git a/src/libcalamaresui/CMakeLists.txt b/src/libcalamaresui/CMakeLists.txt
index 48e4c4b4d..48ac201d3 100644
--- a/src/libcalamaresui/CMakeLists.txt
+++ b/src/libcalamaresui/CMakeLists.txt
@@ -33,17 +33,12 @@ set( calamaresui_SOURCES
     widgets/LogWidget.cpp
     widgets/TranslationFix.cpp
     widgets/WaitingWidget.cpp
-    ${CMAKE_SOURCE_DIR}/3rdparty/waitingspinnerwidget.cpp
+    widgets/waitingspinnerwidget.cpp
 
     Branding.cpp
     ViewManager.cpp
 )
 
-# Don't warn about third-party sources
-mark_thirdparty_code(
-    ${CMAKE_SOURCE_DIR}/3rdparty/waitingspinnerwidget.cpp
-)
-
 if( WITH_PYTHON )
     list( APPEND calamaresui_SOURCES
         modulesystem/PythonJobModule.cpp
diff --git a/src/libcalamaresui/widgets/WaitingWidget.h b/src/libcalamaresui/widgets/WaitingWidget.h
index 009f17f49..1b78809de 100644
--- a/src/libcalamaresui/widgets/WaitingWidget.h
+++ b/src/libcalamaresui/widgets/WaitingWidget.h
@@ -10,7 +10,7 @@
 #ifndef WAITINGWIDGET_H
 #define WAITINGWIDGET_H
 
-#include "3rdparty/waitingspinnerwidget.h"
+#include "widgets/waitingspinnerwidget.h"
 
 #include <chrono>
 #include <memory>
diff --git a/3rdparty/waitingspinnerwidget.cpp b/src/libcalamaresui/widgets/waitingspinnerwidget.cpp
similarity index 100%
rename from 3rdparty/waitingspinnerwidget.cpp
rename to src/libcalamaresui/widgets/waitingspinnerwidget.cpp
diff --git a/3rdparty/waitingspinnerwidget.h b/src/libcalamaresui/widgets/waitingspinnerwidget.h
similarity index 100%
rename from 3rdparty/waitingspinnerwidget.h
rename to src/libcalamaresui/widgets/waitingspinnerwidget.h
diff --git a/src/modules/partition/gui/ScanningDialog.cpp b/src/modules/partition/gui/ScanningDialog.cpp
index 56133e21f..7dd85ff86 100644
--- a/src/modules/partition/gui/ScanningDialog.cpp
+++ b/src/modules/partition/gui/ScanningDialog.cpp
@@ -10,7 +10,7 @@
 
 #include "ScanningDialog.h"
 
-#include "3rdparty/waitingspinnerwidget.h"
+#include "widgets/waitingspinnerwidget.h"
 
 #include <QBoxLayout>
 #include <QFutureWatcher>