diff --git a/modules/ocl/include/opencv2/ocl/ocl.hpp b/modules/ocl/include/opencv2/ocl/ocl.hpp
index 70943d748d..a2d5156ff6 100644
--- a/modules/ocl/include/opencv2/ocl/ocl.hpp
+++ b/modules/ocl/include/opencv2/ocl/ocl.hpp
@@ -187,9 +187,9 @@ namespace cv
             return Context::getContext()->getOpenCLCommandQueuePtr();
         }
 
-        bool CV_EXPORTS supportsFeature(FEATURE_TYPE featureType);
+        CV_EXPORTS bool supportsFeature(FEATURE_TYPE featureType);
 
-        void CV_EXPORTS finish();
+        CV_EXPORTS void finish();
 
         enum BINARY_CACHE_MODE
         {
@@ -1739,7 +1739,7 @@ namespace cv
         //  output -
         //    keys   = {1,    2,   3}   (CV_8UC1)
         //    values = {6,2, 10,5, 4,3} (CV_8UC2)
-        void CV_EXPORTS sortByKey(oclMat& keys, oclMat& values, int method, bool isGreaterThan = false);
+        CV_EXPORTS void sortByKey(oclMat& keys, oclMat& values, int method, bool isGreaterThan = false);
         /*!Base class for MOG and MOG2!*/
         class CV_EXPORTS BackgroundSubtractor
         {
@@ -1938,6 +1938,7 @@ namespace cv
         private:
             oclMat samples_ocl;
         };
+
         /*!***************  SVM  *************!*/
         class CV_EXPORTS CvSVM_OCL : public CvSVM
         {
@@ -1957,6 +1958,7 @@ namespace cv
             void create_kernel();
             void create_solver();
         };
+
         /*!***************  END  *************!*/
     }
 }
diff --git a/modules/ocl/include/opencv2/ocl/private/util.hpp b/modules/ocl/include/opencv2/ocl/private/util.hpp
index 253016405d..ed96eda4c8 100644
--- a/modules/ocl/include/opencv2/ocl/private/util.hpp
+++ b/modules/ocl/include/opencv2/ocl/private/util.hpp
@@ -86,39 +86,39 @@ enum openCLMemcpyKind
     clMemcpyDeviceToDevice
 };
 ///////////////////////////OpenCL call wrappers////////////////////////////
-void CV_EXPORTS openCLMallocPitch(Context *clCxt, void **dev_ptr, size_t *pitch,
+CV_EXPORTS void openCLMallocPitch(Context *clCxt, void **dev_ptr, size_t *pitch,
         size_t widthInBytes, size_t height);
-void CV_EXPORTS openCLMallocPitchEx(Context *clCxt, void **dev_ptr, size_t *pitch,
+CV_EXPORTS void openCLMallocPitchEx(Context *clCxt, void **dev_ptr, size_t *pitch,
         size_t widthInBytes, size_t height, DevMemRW rw_type, DevMemType mem_type);
-void CV_EXPORTS openCLMemcpy2D(Context *clCxt, void *dst, size_t dpitch,
+CV_EXPORTS void openCLMemcpy2D(Context *clCxt, void *dst, size_t dpitch,
         const void *src, size_t spitch,
         size_t width, size_t height, openCLMemcpyKind kind, int channels = -1);
-void CV_EXPORTS openCLCopyBuffer2D(Context *clCxt, void *dst, size_t dpitch, int dst_offset,
+CV_EXPORTS void openCLCopyBuffer2D(Context *clCxt, void *dst, size_t dpitch, int dst_offset,
         const void *src, size_t spitch,
         size_t width, size_t height, int src_offset);
-void CV_EXPORTS openCLFree(void *devPtr);
-cl_mem CV_EXPORTS openCLCreateBuffer(Context *clCxt, size_t flag, size_t size);
-void CV_EXPORTS openCLReadBuffer(Context *clCxt, cl_mem dst_buffer, void *host_buffer, size_t size);
-cl_kernel CV_EXPORTS openCLGetKernelFromSource(const Context *clCxt,
+CV_EXPORTS void openCLFree(void *devPtr);
+CV_EXPORTS cl_mem openCLCreateBuffer(Context *clCxt, size_t flag, size_t size);
+CV_EXPORTS void openCLReadBuffer(Context *clCxt, cl_mem dst_buffer, void *host_buffer, size_t size);
+CV_EXPORTS cl_kernel openCLGetKernelFromSource(const Context *clCxt,
         const cv::ocl::ProgramEntry* source, std::string kernelName);
-cl_kernel CV_EXPORTS openCLGetKernelFromSource(const Context *clCxt,
+CV_EXPORTS cl_kernel openCLGetKernelFromSource(const Context *clCxt,
         const cv::ocl::ProgramEntry* source, std::string kernelName, const char *build_options);
-void CV_EXPORTS openCLVerifyKernel(const Context *clCxt, cl_kernel kernel, size_t *localThreads);
-void CV_EXPORTS openCLExecuteKernel(Context *clCxt , const cv::ocl::ProgramEntry* source, string kernelName, std::vector< std::pair<size_t, const void *> > &args,
+CV_EXPORTS void openCLVerifyKernel(const Context *clCxt, cl_kernel kernel, size_t *localThreads);
+CV_EXPORTS void openCLExecuteKernel(Context *clCxt , const cv::ocl::ProgramEntry* source, string kernelName, std::vector< std::pair<size_t, const void *> > &args,
         int globalcols , int globalrows, size_t blockSize = 16, int kernel_expand_depth = -1, int kernel_expand_channel = -1);
-void CV_EXPORTS openCLExecuteKernel_(Context *clCxt, const cv::ocl::ProgramEntry* source, std::string kernelName,
+CV_EXPORTS void openCLExecuteKernel_(Context *clCxt, const cv::ocl::ProgramEntry* source, std::string kernelName,
         size_t globalThreads[3], size_t localThreads[3],
         std::vector< std::pair<size_t, const void *> > &args, int channels, int depth, const char *build_options);
-void CV_EXPORTS openCLExecuteKernel(Context *clCxt, const cv::ocl::ProgramEntry* source, std::string kernelName, size_t globalThreads[3],
+CV_EXPORTS void openCLExecuteKernel(Context *clCxt, const cv::ocl::ProgramEntry* source, std::string kernelName, size_t globalThreads[3],
         size_t localThreads[3],  std::vector< std::pair<size_t, const void *> > &args, int channels, int depth);
-void CV_EXPORTS openCLExecuteKernel(Context *clCxt, const cv::ocl::ProgramEntry* source, std::string kernelName, size_t globalThreads[3],
+CV_EXPORTS void openCLExecuteKernel(Context *clCxt, const cv::ocl::ProgramEntry* source, std::string kernelName, size_t globalThreads[3],
         size_t localThreads[3],  std::vector< std::pair<size_t, const void *> > &args, int channels,
         int depth, const char *build_options);
 
-cl_mem CV_EXPORTS load_constant(cl_context context, cl_command_queue command_queue, const void *value,
+CV_EXPORTS cl_mem load_constant(cl_context context, cl_command_queue command_queue, const void *value,
         const size_t size);
 
-cl_mem CV_EXPORTS openCLMalloc(cl_context clCxt, size_t size, cl_mem_flags flags, void *host_ptr);
+CV_EXPORTS cl_mem openCLMalloc(cl_context clCxt, size_t size, cl_mem_flags flags, void *host_ptr);
 
 enum FLUSH_MODE
 {
@@ -127,9 +127,9 @@ enum FLUSH_MODE
     DISABLE
 };
 
-void CV_EXPORTS openCLExecuteKernel2(Context *clCxt, const cv::ocl::ProgramEntry* source, std::string kernelName, size_t globalThreads[3],
+CV_EXPORTS void openCLExecuteKernel2(Context *clCxt, const cv::ocl::ProgramEntry* source, std::string kernelName, size_t globalThreads[3],
         size_t localThreads[3],  std::vector< std::pair<size_t, const void *> > &args, int channels, int depth, FLUSH_MODE finish_mode = DISABLE);
-void CV_EXPORTS openCLExecuteKernel2(Context *clCxt, const cv::ocl::ProgramEntry* source, std::string kernelName, size_t globalThreads[3],
+CV_EXPORTS void openCLExecuteKernel2(Context *clCxt, const cv::ocl::ProgramEntry* source, std::string kernelName, size_t globalThreads[3],
         size_t localThreads[3],  std::vector< std::pair<size_t, const void *> > &args, int channels,
         int depth, char *build_options, FLUSH_MODE finish_mode = DISABLE);
 
@@ -137,8 +137,8 @@ void CV_EXPORTS openCLExecuteKernel2(Context *clCxt, const cv::ocl::ProgramEntry
 // note:
 //   1. there is no memory management. User need to explicitly release the resource
 //   2. for faster clamping, there is no buffer padding for the constructed texture
-cl_mem CV_EXPORTS bindTexture(const oclMat &mat);
-void CV_EXPORTS releaseTexture(cl_mem& texture);
+CV_EXPORTS cl_mem bindTexture(const oclMat &mat);
+CV_EXPORTS void releaseTexture(cl_mem& texture);
 
 //Represents an image texture object
 class CV_EXPORTS TextureCL
@@ -165,11 +165,11 @@ private:
 // bind oclMat to OpenCL image textures and retunrs an TextureCL object
 // note:
 //   for faster clamping, there is no buffer padding for the constructed texture
-Ptr<TextureCL> CV_EXPORTS bindTexturePtr(const oclMat &mat);
+CV_EXPORTS Ptr<TextureCL> bindTexturePtr(const oclMat &mat);
 
-bool CV_EXPORTS isCpuDevice();
+CV_EXPORTS bool isCpuDevice();
 
-size_t CV_EXPORTS queryWaveFrontSize(cl_kernel kernel);
+CV_EXPORTS size_t queryWaveFrontSize(cl_kernel kernel);
 
 
 inline size_t divUp(size_t total, size_t grain)