diff --git a/modules/core/include/opencv2/core.hpp b/modules/core/include/opencv2/core.hpp
index fc2432dcdf..be0a3a0dc5 100644
--- a/modules/core/include/opencv2/core.hpp
+++ b/modules/core/include/opencv2/core.hpp
@@ -50,7 +50,6 @@
 #endif
 
 #include "opencv2/core/cvdef.h"
-#include "opencv2/core/version.hpp"
 #include "opencv2/core/base.hpp"
 #include "opencv2/core/cvstd.hpp"
 #include "opencv2/core/traits.hpp"
diff --git a/modules/core/include/opencv2/core/cvdef.h b/modules/core/include/opencv2/core/cvdef.h
index 6488b8bd4f..38f9eed452 100644
--- a/modules/core/include/opencv2/core/cvdef.h
+++ b/modules/core/include/opencv2/core/cvdef.h
@@ -45,6 +45,8 @@
 #ifndef OPENCV_CORE_CVDEF_H
 #define OPENCV_CORE_CVDEF_H
 
+#include "opencv2/core/version.hpp"
+
 //! @addtogroup core_utils
 //! @{
 
diff --git a/modules/core/include/opencv2/core/simd_intrinsics.hpp b/modules/core/include/opencv2/core/simd_intrinsics.hpp
index 7151d36073..309202d123 100644
--- a/modules/core/include/opencv2/core/simd_intrinsics.hpp
+++ b/modules/core/include/opencv2/core/simd_intrinsics.hpp
@@ -40,7 +40,6 @@ Notes:
 #endif
 
 #include "opencv2/core/cvdef.h"
-#include "opencv2/core/version.hpp"
 
 #ifdef OPENCV_SIMD_CONFIG_HEADER
 #include CVAUX_STR(OPENCV_SIMD_CONFIG_HEADER)
diff --git a/modules/core/src/hal_internal.cpp b/modules/core/src/hal_internal.cpp
index 60f96c0164..483281d1f7 100644
--- a/modules/core/src/hal_internal.cpp
+++ b/modules/core/src/hal_internal.cpp
@@ -42,6 +42,7 @@
 //
 //M*/
 
+#include "precomp.hpp"
 #include "hal_internal.hpp"
 
 #ifdef HAVE_LAPACK
diff --git a/modules/core/src/hal_internal.hpp b/modules/core/src/hal_internal.hpp
index 129a710145..c7a0d46de4 100644
--- a/modules/core/src/hal_internal.hpp
+++ b/modules/core/src/hal_internal.hpp
@@ -45,8 +45,6 @@
 #ifndef OPENCV_CORE_HAL_INTERNAL_HPP
 #define OPENCV_CORE_HAL_INTERNAL_HPP
 
-#include "precomp.hpp"
-
 #ifdef HAVE_LAPACK
 
 int lapack_LU32f(float* a, size_t a_step, int m, float* b, size_t b_step, int n, int* info);
diff --git a/modules/core/src/intel_gpu_gemm.inl.hpp b/modules/core/src/intel_gpu_gemm.inl.hpp
index 729b43f604..fbd567b949 100644
--- a/modules/core/src/intel_gpu_gemm.inl.hpp
+++ b/modules/core/src/intel_gpu_gemm.inl.hpp
@@ -25,7 +25,6 @@
 #ifdef HAVE_OPENCL
 
 #include <sstream>
-#include "precomp.hpp"
 #include "opencl_kernels_core.hpp"
 #include "opencv2/core/opencl/runtime/opencl_clamdblas.hpp"
 #include "opencv2/core/opencl/runtime/opencl_core.hpp"
diff --git a/modules/core/src/matrix_c.cpp b/modules/core/src/matrix_c.cpp
index 1c3e58857c..2fead4100c 100644
--- a/modules/core/src/matrix_c.cpp
+++ b/modules/core/src/matrix_c.cpp
@@ -1,6 +1,10 @@
+// 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
+
+#include "precomp.hpp"
 #include "opencv2/core/mat.hpp"
 #include "opencv2/core/types_c.h"
-#include "precomp.hpp"
 
 // glue
 
diff --git a/modules/core/src/matrix_iterator.cpp b/modules/core/src/matrix_iterator.cpp
index aaa7f4aa01..ce7c191cbe 100644
--- a/modules/core/src/matrix_iterator.cpp
+++ b/modules/core/src/matrix_iterator.cpp
@@ -2,9 +2,8 @@
 // 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
 
-
-#include "opencv2/core/mat.hpp"
 #include "precomp.hpp"
+#include "opencv2/core/mat.hpp"
 
 namespace cv {
 
diff --git a/modules/core/src/matrix_operations.cpp b/modules/core/src/matrix_operations.cpp
index 22ed50cf19..6f863b8871 100644
--- a/modules/core/src/matrix_operations.cpp
+++ b/modules/core/src/matrix_operations.cpp
@@ -2,11 +2,10 @@
 // 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
 
-
+#include "precomp.hpp"
 #include "opencv2/core/mat.hpp"
 #include "opencv2/core/types_c.h"
 #include "opencl_kernels_core.hpp"
-#include "precomp.hpp"
 
 #undef HAVE_IPP
 #undef CV_IPP_RUN_FAST
diff --git a/modules/core/src/matrix_sparse.cpp b/modules/core/src/matrix_sparse.cpp
index 05d16d706e..21e7e91151 100644
--- a/modules/core/src/matrix_sparse.cpp
+++ b/modules/core/src/matrix_sparse.cpp
@@ -2,10 +2,9 @@
 // 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
 
-
+#include "precomp.hpp"
 #include "opencv2/core/mat.hpp"
 #include "opencv2/core/types_c.h"
-#include "precomp.hpp"
 
 namespace cv {
 
diff --git a/modules/core/src/matrix_wrap.cpp b/modules/core/src/matrix_wrap.cpp
index f0b5b895c4..ad697d204c 100644
--- a/modules/core/src/matrix_wrap.cpp
+++ b/modules/core/src/matrix_wrap.cpp
@@ -2,9 +2,8 @@
 // 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
 
-
-#include "opencv2/core/mat.hpp"
 #include "precomp.hpp"
+#include "opencv2/core/mat.hpp"
 
 namespace cv {