diff --git a/cmake/OpenCVCompilerOptimizations.cmake b/cmake/OpenCVCompilerOptimizations.cmake
index feb144b317..4c777f6c16 100644
--- a/cmake/OpenCVCompilerOptimizations.cmake
+++ b/cmake/OpenCVCompilerOptimizations.cmake
@@ -743,11 +743,11 @@ endmacro()
 macro(ocv_add_dispatched_file filename)
   if(NOT OPENCV_INITIAL_PASS)
     set(__codestr "
-#include \"precomp.hpp\"
-#include \"${filename}.simd.hpp\"
+#include \"${CMAKE_CURRENT_LIST_DIR}/src/precomp.hpp\"
+#include \"${CMAKE_CURRENT_LIST_DIR}/src/${filename}.simd.hpp\"
 ")
 
-    set(__declarations_str "#define CV_CPU_SIMD_FILENAME \"${filename}.simd.hpp\"")
+    set(__declarations_str "#define CV_CPU_SIMD_FILENAME \"${CMAKE_CURRENT_LIST_DIR}/src/${filename}.simd.hpp\"")
     set(__dispatch_modes "BASELINE")
 
     set(__optimizations "${ARGN}")
diff --git a/cmake/OpenCVModule.cmake b/cmake/OpenCVModule.cmake
index f5beeba09a..0d3d33a4f5 100644
--- a/cmake/OpenCVModule.cmake
+++ b/cmake/OpenCVModule.cmake
@@ -700,7 +700,6 @@ endmacro()
 macro(ocv_module_include_directories)
   ocv_target_include_directories(${the_module}
       "${OPENCV_MODULE_${the_module}_LOCATION}/include"
-      "${OPENCV_MODULE_${the_module}_LOCATION}/src"
       "${CMAKE_CURRENT_BINARY_DIR}" # for precompiled headers
       )
   ocv_target_include_modules(${the_module} ${OPENCV_MODULE_${the_module}_DEPS} ${ARGN})
diff --git a/cmake/cl2cpp.cmake b/cmake/cl2cpp.cmake
index f9e36550db..a9d1b6789d 100644
--- a/cmake/cl2cpp.cmake
+++ b/cmake/cl2cpp.cmake
@@ -17,7 +17,7 @@ set(nested_namespace_end "}")
 
 set(STR_CPP "// This file is auto-generated. Do not edit!
 
-#include \"precomp.hpp\"
+#include \"opencv2/core.hpp\"
 #include \"cvconfig.h\"
 #include \"${OUTPUT_HPP_NAME}\"
 
diff --git a/modules/core/src/logger.cpp b/modules/core/src/logger.cpp
index b390a2538e..6574bd4ac1 100644
--- a/modules/core/src/logger.cpp
+++ b/modules/core/src/logger.cpp
@@ -2,7 +2,7 @@
 // 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 "precomp.hpp"
 
 #include <opencv2/core/utils/configuration.private.hpp>
 #include <opencv2/core/utils/logger.hpp>
diff --git a/modules/core/src/trace.cpp b/modules/core/src/trace.cpp
index e22f997a70..a8fd26db05 100644
--- a/modules/core/src/trace.cpp
+++ b/modules/core/src/trace.cpp
@@ -2,7 +2,7 @@
 // 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 "precomp.hpp"
 
 #include <opencv2/core/utils/trace.hpp>
 #include <opencv2/core/utils/trace.private.hpp>
diff --git a/modules/core/src/utils/filesystem.cpp b/modules/core/src/utils/filesystem.cpp
index 9af7e14e89..d9d72ecedc 100644
--- a/modules/core/src/utils/filesystem.cpp
+++ b/modules/core/src/utils/filesystem.cpp
@@ -2,7 +2,7 @@
 // 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 "../precomp.hpp"
 
 #include <opencv2/core/utils/configuration.private.hpp>
 
diff --git a/modules/dnn/src/layers/batch_norm_layer.cpp b/modules/dnn/src/layers/batch_norm_layer.cpp
index 504d888a04..b55a0a72fb 100644
--- a/modules/dnn/src/layers/batch_norm_layer.cpp
+++ b/modules/dnn/src/layers/batch_norm_layer.cpp
@@ -10,8 +10,8 @@ Implementation of Batch Normalization layer.
 */
 
 #include "../precomp.hpp"
-#include "op_halide.hpp"
-#include "op_inf_engine.hpp"
+#include "../op_halide.hpp"
+#include "../op_inf_engine.hpp"
 #include <opencv2/dnn/shape_utils.hpp>
 
 #ifdef HAVE_OPENCL
diff --git a/modules/dnn/src/layers/concat_layer.cpp b/modules/dnn/src/layers/concat_layer.cpp
index f9c4494b47..fd55e7c24a 100644
--- a/modules/dnn/src/layers/concat_layer.cpp
+++ b/modules/dnn/src/layers/concat_layer.cpp
@@ -42,8 +42,8 @@
 
 #include "../precomp.hpp"
 #include "layers_common.hpp"
-#include "op_halide.hpp"
-#include "op_inf_engine.hpp"
+#include "../op_halide.hpp"
+#include "../op_inf_engine.hpp"
 
 #ifdef HAVE_OPENCL
 #include "opencl_kernels_dnn.hpp"
diff --git a/modules/dnn/src/layers/convolution_layer.cpp b/modules/dnn/src/layers/convolution_layer.cpp
index 229897618c..84841bf43f 100644
--- a/modules/dnn/src/layers/convolution_layer.cpp
+++ b/modules/dnn/src/layers/convolution_layer.cpp
@@ -42,8 +42,8 @@
 
 #include "../precomp.hpp"
 #include "layers_common.hpp"
-#include "op_halide.hpp"
-#include "op_inf_engine.hpp"
+#include "../op_halide.hpp"
+#include "../op_inf_engine.hpp"
 #include "opencv2/core/hal/hal.hpp"
 #include "opencv2/core/hal/intrin.hpp"
 #include <iostream>
diff --git a/modules/dnn/src/layers/detection_output_layer.cpp b/modules/dnn/src/layers/detection_output_layer.cpp
index 712d542ed7..dcce8422ba 100644
--- a/modules/dnn/src/layers/detection_output_layer.cpp
+++ b/modules/dnn/src/layers/detection_output_layer.cpp
@@ -42,7 +42,7 @@
 
 #include "../precomp.hpp"
 #include "layers_common.hpp"
-#include "op_inf_engine.hpp"
+#include "../op_inf_engine.hpp"
 #include <float.h>
 #include <string>
 #include "../nms.inl.hpp"
diff --git a/modules/dnn/src/layers/elementwise_layers.cpp b/modules/dnn/src/layers/elementwise_layers.cpp
index 7394f2ed70..44c8567acf 100644
--- a/modules/dnn/src/layers/elementwise_layers.cpp
+++ b/modules/dnn/src/layers/elementwise_layers.cpp
@@ -42,8 +42,8 @@
 
 #include "../precomp.hpp"
 #include "layers_common.hpp"
-#include "op_halide.hpp"
-#include "op_inf_engine.hpp"
+#include "../op_halide.hpp"
+#include "../op_inf_engine.hpp"
 #include "opencv2/imgproc.hpp"
 #include <opencv2/dnn/shape_utils.hpp>
 #include <iostream>
diff --git a/modules/dnn/src/layers/eltwise_layer.cpp b/modules/dnn/src/layers/eltwise_layer.cpp
index 65238318be..01c1f2f4be 100644
--- a/modules/dnn/src/layers/eltwise_layer.cpp
+++ b/modules/dnn/src/layers/eltwise_layer.cpp
@@ -42,8 +42,8 @@
 
 #include "../precomp.hpp"
 #include "layers_common.hpp"
-#include "op_halide.hpp"
-#include "op_inf_engine.hpp"
+#include "../op_halide.hpp"
+#include "../op_inf_engine.hpp"
 
 #ifdef HAVE_OPENCL
 #include "opencl_kernels_dnn.hpp"
diff --git a/modules/dnn/src/layers/flatten_layer.cpp b/modules/dnn/src/layers/flatten_layer.cpp
index 9d12d05c19..dd46b86e69 100644
--- a/modules/dnn/src/layers/flatten_layer.cpp
+++ b/modules/dnn/src/layers/flatten_layer.cpp
@@ -42,7 +42,7 @@
 
 #include "../precomp.hpp"
 #include "layers_common.hpp"
-#include "op_inf_engine.hpp"
+#include "../op_inf_engine.hpp"
 #include <float.h>
 #include <algorithm>
 #include <opencv2/dnn/shape_utils.hpp>
diff --git a/modules/dnn/src/layers/fully_connected_layer.cpp b/modules/dnn/src/layers/fully_connected_layer.cpp
index 16c71fe57c..f00d9cfae8 100644
--- a/modules/dnn/src/layers/fully_connected_layer.cpp
+++ b/modules/dnn/src/layers/fully_connected_layer.cpp
@@ -42,8 +42,8 @@
 
 #include "../precomp.hpp"
 #include "layers_common.hpp"
-#include "op_halide.hpp"
-#include "op_inf_engine.hpp"
+#include "../op_halide.hpp"
+#include "../op_inf_engine.hpp"
 #include <opencv2/dnn/shape_utils.hpp>
 
 #ifdef HAVE_OPENCL
diff --git a/modules/dnn/src/layers/layers_common.hpp b/modules/dnn/src/layers/layers_common.hpp
index 97902138b1..4bb4c317e4 100644
--- a/modules/dnn/src/layers/layers_common.hpp
+++ b/modules/dnn/src/layers/layers_common.hpp
@@ -47,7 +47,7 @@
 
 #define CV_CPU_OPTIMIZATION_DECLARATIONS_ONLY
 // dispatched AVX/AVX2 optimizations
-#include "layers/layers_common.simd.hpp"
+#include "./layers_common.simd.hpp"
 #include "layers/layers_common.simd_declarations.hpp"
 #undef CV_CPU_OPTIMIZATION_DECLARATIONS_ONLY
 
diff --git a/modules/dnn/src/layers/lrn_layer.cpp b/modules/dnn/src/layers/lrn_layer.cpp
index 0fa541f2a0..2ae10f25da 100644
--- a/modules/dnn/src/layers/lrn_layer.cpp
+++ b/modules/dnn/src/layers/lrn_layer.cpp
@@ -42,8 +42,8 @@
 
 #include "../precomp.hpp"
 #include "layers_common.hpp"
-#include "op_halide.hpp"
-#include "op_inf_engine.hpp"
+#include "../op_halide.hpp"
+#include "../op_inf_engine.hpp"
 #include "opencv2/imgproc.hpp"
 #include "opencv2/dnn/shape_utils.hpp"
 #include "opencv2/core/hal/hal.hpp"
diff --git a/modules/dnn/src/layers/max_unpooling_layer.cpp b/modules/dnn/src/layers/max_unpooling_layer.cpp
index 69fd030b6b..8b7c96f2fc 100644
--- a/modules/dnn/src/layers/max_unpooling_layer.cpp
+++ b/modules/dnn/src/layers/max_unpooling_layer.cpp
@@ -11,7 +11,7 @@ Implementation of Batch Normalization layer.
 
 #include "../precomp.hpp"
 #include "layers_common.hpp"
-#include "op_halide.hpp"
+#include "../op_halide.hpp"
 #include <opencv2/dnn/shape_utils.hpp>
 
 #include <iostream>
diff --git a/modules/dnn/src/layers/padding_layer.cpp b/modules/dnn/src/layers/padding_layer.cpp
index 52f7b6b9c0..4934524909 100644
--- a/modules/dnn/src/layers/padding_layer.cpp
+++ b/modules/dnn/src/layers/padding_layer.cpp
@@ -11,7 +11,7 @@ Implementation of padding layer, which adds paddings to input blob.
 
 #include "../precomp.hpp"
 #include "layers_common.hpp"
-#include "op_halide.hpp"
+#include "../op_halide.hpp"
 #include <vector>
 
 namespace cv
diff --git a/modules/dnn/src/layers/permute_layer.cpp b/modules/dnn/src/layers/permute_layer.cpp
index b98365848f..2bf73f2524 100644
--- a/modules/dnn/src/layers/permute_layer.cpp
+++ b/modules/dnn/src/layers/permute_layer.cpp
@@ -42,7 +42,7 @@
 
 #include "../precomp.hpp"
 #include "layers_common.hpp"
-#include "op_inf_engine.hpp"
+#include "../op_inf_engine.hpp"
 #include <float.h>
 #include <algorithm>
 
diff --git a/modules/dnn/src/layers/pooling_layer.cpp b/modules/dnn/src/layers/pooling_layer.cpp
index faa87a8773..8e6215eef8 100644
--- a/modules/dnn/src/layers/pooling_layer.cpp
+++ b/modules/dnn/src/layers/pooling_layer.cpp
@@ -43,8 +43,8 @@
 #include "../precomp.hpp"
 #include "layers_common.hpp"
 #include "opencv2/core/hal/intrin.hpp"
-#include "op_halide.hpp"
-#include "op_inf_engine.hpp"
+#include "../op_halide.hpp"
+#include "../op_inf_engine.hpp"
 #include <float.h>
 #include <algorithm>
 using std::max;
diff --git a/modules/dnn/src/layers/prior_box_layer.cpp b/modules/dnn/src/layers/prior_box_layer.cpp
index d8ea5b6042..2315d368a0 100644
--- a/modules/dnn/src/layers/prior_box_layer.cpp
+++ b/modules/dnn/src/layers/prior_box_layer.cpp
@@ -42,7 +42,7 @@
 
 #include "../precomp.hpp"
 #include "layers_common.hpp"
-#include "op_inf_engine.hpp"
+#include "../op_inf_engine.hpp"
 #include <float.h>
 #include <algorithm>
 #include <cmath>
diff --git a/modules/dnn/src/layers/region_layer.cpp b/modules/dnn/src/layers/region_layer.cpp
index 3f9ba1fc0c..181d8fd9bb 100644
--- a/modules/dnn/src/layers/region_layer.cpp
+++ b/modules/dnn/src/layers/region_layer.cpp
@@ -43,7 +43,7 @@
 #include "../precomp.hpp"
 #include <opencv2/dnn/shape_utils.hpp>
 #include <opencv2/dnn/all_layers.hpp>
-#include "nms.inl.hpp"
+#include "../nms.inl.hpp"
 
 #ifdef HAVE_OPENCL
 #include "opencl_kernels_dnn.hpp"
diff --git a/modules/dnn/src/layers/reshape_layer.cpp b/modules/dnn/src/layers/reshape_layer.cpp
index 7530ffc59c..906e340411 100644
--- a/modules/dnn/src/layers/reshape_layer.cpp
+++ b/modules/dnn/src/layers/reshape_layer.cpp
@@ -42,7 +42,7 @@
 
 #include "../precomp.hpp"
 #include "layers_common.hpp"
-#include "op_inf_engine.hpp"
+#include "../op_inf_engine.hpp"
 #include <opencv2/dnn/shape_utils.hpp>
 
 namespace cv
diff --git a/modules/dnn/src/layers/scale_layer.cpp b/modules/dnn/src/layers/scale_layer.cpp
index 34f503e7a8..d32ab56d07 100644
--- a/modules/dnn/src/layers/scale_layer.cpp
+++ b/modules/dnn/src/layers/scale_layer.cpp
@@ -11,8 +11,8 @@ Implementation of Scale layer.
 
 #include "../precomp.hpp"
 #include "layers_common.hpp"
-#include "op_halide.hpp"
-#include "op_inf_engine.hpp"
+#include "../op_halide.hpp"
+#include "../op_inf_engine.hpp"
 #include <opencv2/dnn/shape_utils.hpp>
 
 namespace cv
diff --git a/modules/dnn/src/layers/shift_layer.cpp b/modules/dnn/src/layers/shift_layer.cpp
index 4a75624502..e0bea5ff90 100644
--- a/modules/dnn/src/layers/shift_layer.cpp
+++ b/modules/dnn/src/layers/shift_layer.cpp
@@ -10,7 +10,7 @@ Implementation of shift layer, which adds up const values to blob.
 */
 
 #include "../precomp.hpp"
-#include "op_inf_engine.hpp"
+#include "../op_inf_engine.hpp"
 #include <opencv2/dnn/shape_utils.hpp>
 
 namespace cv
diff --git a/modules/dnn/src/layers/softmax_layer.cpp b/modules/dnn/src/layers/softmax_layer.cpp
index 12c2ec7de4..944173f7b1 100644
--- a/modules/dnn/src/layers/softmax_layer.cpp
+++ b/modules/dnn/src/layers/softmax_layer.cpp
@@ -42,8 +42,8 @@
 
 #include "../precomp.hpp"
 #include "layers_common.hpp"
-#include "op_halide.hpp"
-#include "op_inf_engine.hpp"
+#include "../op_halide.hpp"
+#include "../op_inf_engine.hpp"
 #include <algorithm>
 #include <stdlib.h>
 using std::max;
diff --git a/modules/dnn/src/nms.cpp b/modules/dnn/src/nms.cpp
index f56191f9e0..3adaef165d 100644
--- a/modules/dnn/src/nms.cpp
+++ b/modules/dnn/src/nms.cpp
@@ -6,7 +6,7 @@
 // Third party copyrights are property of their respective owners.
 
 #include "precomp.hpp"
-#include <nms.inl.hpp>
+#include "nms.inl.hpp"
 
 namespace cv
 {
diff --git a/modules/viz/src/precomp.hpp b/modules/viz/src/precomp.hpp
index dc5a5db1ea..9596b96f08 100644
--- a/modules/viz/src/precomp.hpp
+++ b/modules/viz/src/precomp.hpp
@@ -140,13 +140,13 @@
 # include <io.h> /* unlink */
 #endif
 
-#include <vtk/vtkOBJWriter.h>
-#include <vtk/vtkXYZWriter.h>
-#include <vtk/vtkXYZReader.h>
-#include <vtk/vtkCloudMatSink.h>
-#include <vtk/vtkCloudMatSource.h>
-#include <vtk/vtkTrajectorySource.h>
-#include <vtk/vtkImageMatSource.h>
+#include "vtk/vtkOBJWriter.h"
+#include "vtk/vtkXYZWriter.h"
+#include "vtk/vtkXYZReader.h"
+#include "vtk/vtkCloudMatSink.h"
+#include "vtk/vtkCloudMatSource.h"
+#include "vtk/vtkTrajectorySource.h"
+#include "vtk/vtkImageMatSource.h"
 
 
 #include <opencv2/core.hpp>