diff --git a/modules/cudabgsegm/src/cuda/mog2.hpp b/modules/cudabgsegm/src/cuda/mog2.hpp
deleted file mode 100644
index 5b2155195f..0000000000
--- a/modules/cudabgsegm/src/cuda/mog2.hpp
+++ /dev/null
@@ -1,37 +0,0 @@
-// This file is part of OpenCV project.
-// It is subject to the license terms in the LICENSE file found in the top-level directory
-// of this distribution and at http://opencv.org/license.html.
-
-#ifndef OPENCV_CUDA_MOG2_H
-#define OPENCV_CUDA_MOG2_H
-
-#include "opencv2/core/cuda.hpp"
-
-struct CUstream_st;
-typedef struct CUstream_st *cudaStream_t;
-
-namespace cv { namespace cuda {
-
-class Stream;
-
-namespace device { namespace mog2 {
-
-typedef struct
-{
-    float Tb_;
-    float TB_;
-    float Tg_;
-    float varInit_;
-    float varMin_;
-    float varMax_;
-    float tau_;
-    int nmixtures_;
-    unsigned char shadowVal_;
-} Constants;
-
-void mog2_gpu(PtrStepSzb frame, int cn, PtrStepSzb fgmask, PtrStepSzb modesUsed, PtrStepSzf weight, PtrStepSzf variance, PtrStepSzb mean, float alphaT, float prune, bool detectShadows, const Constants *const constants, cudaStream_t stream);
-void getBackgroundImage2_gpu(int cn, PtrStepSzb modesUsed, PtrStepSzf weight, PtrStepSzb mean, PtrStepSzb dst, const Constants *const constants, cudaStream_t stream);
-
-} } } }
-
-#endif /* OPENCV_CUDA_MOG2_H */