diff --git a/Modules/Learning/Supervised/include/otbRandomForestsMachineLearningModel.h b/Modules/Learning/Supervised/include/otbRandomForestsMachineLearningModel.h
index 3de61ce3aa661091913e99af382dfa8e230cf58f..276e9ca3492d21db03d2872b38e4c80cc44002b9 100644
--- a/Modules/Learning/Supervised/include/otbRandomForestsMachineLearningModel.h
+++ b/Modules/Learning/Supervised/include/otbRandomForestsMachineLearningModel.h
@@ -27,12 +27,11 @@
 #include "itkFixedArray.h"
 #include "otbMachineLearningModel.h"
 #include "itkVariableSizeMatrix.h"
+#include "otbCvRTreesWrapper.h"
 
 namespace otb
 {
 
-class CvRTreesWrapper;
-
 template <class TInputValue, class TTargetValue>
 class ITK_EXPORT RandomForestsMachineLearningModel
   : public MachineLearningModel <TInputValue, TTargetValue>
diff --git a/Modules/Learning/Supervised/include/otbRandomForestsMachineLearningModel.hxx b/Modules/Learning/Supervised/include/otbRandomForestsMachineLearningModel.hxx
index a5e70f9130298e0b6371d0656d2148a3c89d1108..10508ead57bb89d90b76cc5675731ce864e7786b 100644
--- a/Modules/Learning/Supervised/include/otbRandomForestsMachineLearningModel.hxx
+++ b/Modules/Learning/Supervised/include/otbRandomForestsMachineLearningModel.hxx
@@ -25,7 +25,6 @@
 #include "itkMacro.h"
 #include "otbRandomForestsMachineLearningModel.h"
 #include "otbOpenCVUtils.h"
-#include "otbCvRTreesWrapper.h"
 
 namespace otb
 {