diff -Nuarp opencv-2.4.13.7/modules/core/src/glob.cpp opencv-2.4.13.7.nortti/modules/core/src/glob.cpp
--- opencv-2.4.13.7/modules/core/src/glob.cpp	2018-07-02 05:41:56.000000000 +0800
+++ opencv-2.4.13.7.nortti/modules/core/src/glob.cpp	2021-01-08 23:24:46.371298637 +0800
@@ -225,7 +225,6 @@ static void glob_rec(const cv::String& d
     if ((dir = opendir (directory.c_str())) != 0)
     {
         /* find all the files and directories within directory */
-        try
         {
             while ((ent = readdir (dir)) != 0)
             {
@@ -247,11 +246,6 @@ static void glob_rec(const cv::String& d
                 }
             }
         }
-        catch (...)
-        {
-            closedir(dir);
-            throw;
-        }
         closedir(dir);
     }
     else CV_Error(CV_StsObjectNotFound, cv::format("could not open directory: %s", directory.c_str()));
diff -Nuarp opencv-2.4.13.7/modules/core/src/matrix.cpp opencv-2.4.13.7.nortti/modules/core/src/matrix.cpp
--- opencv-2.4.13.7/modules/core/src/matrix.cpp	2018-07-02 05:41:56.000000000 +0800
+++ opencv-2.4.13.7.nortti/modules/core/src/matrix.cpp	2021-01-08 23:24:59.991085589 +0800
@@ -279,7 +279,6 @@ Mat::Mat(const Mat& m, const Range& _row
     }
 
     *this = m;
-    try
     {
         if( _rowRange != Range::all() && _rowRange != Range(0,rows) )
         {
@@ -300,11 +299,6 @@ Mat::Mat(const Mat& m, const Range& _row
             flags |= SUBMATRIX_FLAG;
         }
     }
-    catch(...)
-    {
-        release();
-        throw;
-    }
 
     if( rows == 1 )
         flags |= CONTINUOUS_FLAG;
diff -Nuarp opencv-2.4.13.7/modules/core/src/persistence.cpp opencv-2.4.13.7.nortti/modules/core/src/persistence.cpp
--- opencv-2.4.13.7/modules/core/src/persistence.cpp	2018-07-02 05:41:56.000000000 +0800
+++ opencv-2.4.13.7.nortti/modules/core/src/persistence.cpp	2021-01-08 23:25:39.470468027 +0800
@@ -2918,18 +2918,12 @@ cvOpenFileStorage( const char* filename,
 
         //mode = cvGetErrMode();
         //cvSetErrMode( CV_ErrModeSilent );
-        try
         {
             if( fs->fmt == CV_STORAGE_FORMAT_XML )
                 icvXMLParse( fs );
             else
                 icvYMLParse( fs );
         }
-        catch (...)
-        {
-            cvReleaseFileStorage( &fs );
-            throw;
-        }
         //cvSetErrMode( mode );
 
         // release resources that we do not need anymore
@@ -4285,13 +4279,9 @@ icvReadSeq( CvFileStorage* fs, CvFileNod
             flags |= CV_SEQ_FLAG_HOLE;
         if( !strstr(flags_str, "untyped") )
         {
-            try
             {
                 flags |= icvDecodeSimpleFormat(dt);
             }
-            catch(...)
-            {
-            }
         }
     }
 
diff -Nuarp opencv-2.4.13.7/modules/core/src/system.cpp opencv-2.4.13.7.nortti/modules/core/src/system.cpp
--- opencv-2.4.13.7/modules/core/src/system.cpp	2018-07-02 05:41:56.000000000 +0800
+++ opencv-2.4.13.7.nortti/modules/core/src/system.cpp	2021-01-08 23:25:56.543200966 +0800
@@ -571,8 +571,6 @@ void error( const Exception& exc )
         static volatile int* p = 0;
         *p = 0;
     }
-
-    throw exc;
 }
 
 CvErrorCallback
@@ -1160,14 +1158,9 @@ public:
         TLSDataContainer* k = tlsContainers_[key];
         if (!k)
             return;
-        try
         {
             k->deleteDataInstance(data);
         }
-        catch (...)
-        {
-            CV_DbgAssert(k == NULL); // Debug this!
-        }
     }
 };
 
diff -Nuarp opencv-2.4.13.7/modules/imgproc/src/contours.cpp opencv-2.4.13.7.nortti/modules/imgproc/src/contours.cpp
--- opencv-2.4.13.7/modules/imgproc/src/contours.cpp	2018-07-02 05:41:56.000000000 +0800
+++ opencv-2.4.13.7.nortti/modules/imgproc/src/contours.cpp	2021-01-08 23:26:22.223799256 +0800
@@ -1681,7 +1681,6 @@ cvFindContours( void*  img,  CvMemStorag
     }
     else
     {
-        try
         {
             scanner = cvStartFindContours( img, storage, cntHeaderSize, mode, method, offset );
 
@@ -1692,12 +1691,6 @@ cvFindContours( void*  img,  CvMemStorag
             }
             while( contour != 0 );
         }
-        catch(...)
-        {
-            if( scanner )
-                cvEndFindContours(&scanner);
-            throw;
-        }
 
         *firstContour = cvEndFindContours( &scanner );
     }
diff -Nuarp opencv-2.4.13.7/modules/photo/src/arrays.hpp opencv-2.4.13.7.nortti/modules/photo/src/arrays.hpp
--- opencv-2.4.13.7/modules/photo/src/arrays.hpp	2018-07-02 05:41:56.000000000 +0800
+++ opencv-2.4.13.7.nortti/modules/photo/src/arrays.hpp	2021-01-08 23:26:50.440357875 +0800
@@ -52,7 +52,6 @@ template <class T> struct Array2d {
     {
         if (array2d.needToDeallocArray) {
             // copy constructor for self allocating arrays not supported
-            throw new exception();
         }
     }