diff --git a/GUI/Model/Detector/DetectorItem.cpp b/GUI/Model/Detector/DetectorItem.cpp
index 4bf62db56c117f915570aee2672d8c22f5d17d50..c44162912f9babbed35231c08125d962e40a1b29 100644
--- a/GUI/Model/Detector/DetectorItem.cpp
+++ b/GUI/Model/Detector/DetectorItem.cpp
@@ -19,7 +19,6 @@
 #include "Device/Detector/SphericalDetector.h"
 #include "Device/Mask/IShape2D.h"
 #include "Device/Resolution/ResolutionFunction2DGaussian.h"
-#include "GUI/Model/Detector/ResolutionFunctionItems.h"
 #include "GUI/Model/Mask/MasksSet.h"
 #include "GUI/Model/Util/Backup.h"
 
diff --git a/GUI/Model/Detector/DetectorItem.h b/GUI/Model/Detector/DetectorItem.h
index a0e3de4cea92a520fd67e84607bd6c0debd7c7c7..c0cda4f982c4f021dafe51307b900cabb7cbd2e7 100644
--- a/GUI/Model/Detector/DetectorItem.h
+++ b/GUI/Model/Detector/DetectorItem.h
@@ -18,11 +18,11 @@
 #include "GUI/Model/Descriptor/AxisProperty.h"
 #include "GUI/Model/Descriptor/PolyPtr.h"
 #include "GUI/Model/Detector/ResolutionFunctionCatalog.h"
+#include "GUI/Model/Detector/ResolutionFunctionItems.h"
 
 class IDetector;
 class IResolutionFunction2D;
 class MasksSet;
-class ResolutionFunctionItem;
 
 class DetectorItem {
 public: