diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8631bbc..e801558 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -647,7 +647,7 @@ endif()
 
 if(WIN32)
   # Postfix of DLLs:
-  set(OPENCV_DLLVERSION "${OPENCV_VERSION_MAJOR}${OPENCV_VERSION_MINOR}${OPENCV_VERSION_PATCH}")
+  set(OPENCV_DLLVERSION "")
   set(OPENCV_DEBUG_POSTFIX d)
 else()
   # Postfix of so's:
@@ -698,7 +698,7 @@ endif()
 ocv_cmake_hook(POST_CMAKE_BUILD_OPTIONS)
 
 # --- Python Support ---
-if(NOT IOS)
+if(0)
   include(cmake/OpenCVDetectPython.cmake)
 endif()
 
diff --git a/cmake/OpenCVCompilerOptions.cmake b/cmake/OpenCVCompilerOptions.cmake
index e3ae62f..d866162 100644
--- a/cmake/OpenCVCompilerOptions.cmake
+++ b/cmake/OpenCVCompilerOptions.cmake
@@ -256,7 +256,6 @@ if(MSVC)
   #endif()
 
   if(BUILD_WITH_DEBUG_INFO)
-    set(OPENCV_EXTRA_FLAGS_RELEASE "${OPENCV_EXTRA_FLAGS_RELEASE} /Zi")
     set(OPENCV_EXTRA_EXE_LINKER_FLAGS_RELEASE "${OPENCV_EXTRA_EXE_LINKER_FLAGS_RELEASE} /debug")
     set(OPENCV_EXTRA_SHARED_LINKER_FLAGS_RELEASE "${OPENCV_EXTRA_SHARED_LINKER_FLAGS_RELEASE} /debug")
   endif()
diff --git a/cmake/OpenCVGenConfig.cmake b/cmake/OpenCVGenConfig.cmake
index cef9d0b..b6ddb81 100644
--- a/cmake/OpenCVGenConfig.cmake
+++ b/cmake/OpenCVGenConfig.cmake
@@ -109,7 +109,7 @@ function(ocv_gen_config TMP_DIR NESTED_PATH ROOT_NAME)
   endif()
 endfunction()
 
-if((CMAKE_HOST_SYSTEM_NAME MATCHES "Linux" OR UNIX) AND NOT ANDROID)
+if(NOT ANDROID)
   ocv_gen_config("${CMAKE_BINARY_DIR}/unix-install" "" "")
 endif()
 
@@ -121,7 +121,7 @@ endif()
 # --------------------------------------------------------------------------------------------
 #  Part 3/3: ${BIN_DIR}/win-install/OpenCVConfig.cmake  -> For use within binary installers/packages
 # --------------------------------------------------------------------------------------------
-if(WIN32)
+if(0)
   if(CMAKE_HOST_SYSTEM_NAME MATCHES Windows)
     if(BUILD_SHARED_LIBS)
       set(_lib_suffix "lib")
diff --git a/data/CMakeLists.txt b/data/CMakeLists.txt
index 1f0d720..0bb1ff7 100644
--- a/data/CMakeLists.txt
+++ b/data/CMakeLists.txt
@@ -1,8 +1,6 @@
 file(GLOB HAAR_CASCADES haarcascades/*.xml)
 file(GLOB LBP_CASCADES lbpcascades/*.xml)
 
-install(FILES ${HAAR_CASCADES} DESTINATION ${OPENCV_OTHER_INSTALL_PATH}/haarcascades COMPONENT libs)
-install(FILES ${LBP_CASCADES}  DESTINATION ${OPENCV_OTHER_INSTALL_PATH}/lbpcascades  COMPONENT libs)
 
 if(INSTALL_TESTS AND OPENCV_TEST_DATA_PATH)
   install(DIRECTORY "${OPENCV_TEST_DATA_PATH}/" DESTINATION "${OPENCV_TEST_DATA_INSTALL_PATH}" COMPONENT "tests")