diff --git a/modules/core/include/opencv2/core/utility.hpp b/modules/core/include/opencv2/core/utility.hpp
index e465faee5ff59a494af207e7843975d5fde6e324..01f5c7664a5a7883f4e8d5bdb5113fb264cdc605 100644
--- a/modules/core/include/opencv2/core/utility.hpp
+++ b/modules/core/include/opencv2/core/utility.hpp
@@ -495,8 +495,8 @@ void Mat::forEach_impl(const Functor& operation) {
     {
     public:
         PixelOperationWrapper(Mat_<_Tp>* const frame, const Functor& _operation)
-            : mat(frame), op(_operation) {};
-        virtual ~PixelOperationWrapper(){};
+            : mat(frame), op(_operation) {}
+        virtual ~PixelOperationWrapper(){}
         // ! Overloaded virtual operator
         // convert range call to row call.
         virtual void operator()(const Range &range) const {
@@ -525,7 +525,7 @@ void Mat::forEach_impl(const Functor& operation) {
                     this->rowCall(&idx[0], COLS, DIMS);
                 }
             }
-        };
+        }
     private:
         Mat_<_Tp>* const mat;
         const Functor op;
@@ -562,12 +562,12 @@ void Mat::forEach_impl(const Functor& operation) {
                 op(*pixel++, static_cast<const int*>(idx));
                 idx[1]++;
             }
-        };
+        }
         PixelOperationWrapper& operator=(const PixelOperationWrapper &) {
             CV_Assert(false);
             // We can not remove this implementation because Visual Studio warning C4822.
             return *this;
-        };
+        }
     };
 
     parallel_for_(cv::Range(0, LINES), PixelOperationWrapper(reinterpret_cast<Mat_<_Tp>*>(this), operation));
@@ -650,8 +650,8 @@ private:
     virtual void  deleteDataInstance(void* pData) const {delete (T*)pData;} // Wrapper to release data by template
 
     // Disable TLS copy operations
-    TLSData(TLSData &) {};
-    TLSData& operator =(const TLSData &) {return *this;};
+    TLSData(TLSData &) {}
+    TLSData& operator =(const TLSData &) {return *this;}
 };
 
 /** @brief Designed for command line parsing
diff --git a/modules/video/src/bgfg_KNN.cpp b/modules/video/src/bgfg_KNN.cpp
index 8c92d77acd427cea9b7339040b47db8e993b4723..66be34a00f12b784ff820a7e0fe1598dfb126da0 100755
--- a/modules/video/src/bgfg_KNN.cpp
+++ b/modules/video/src/bgfg_KNN.cpp
@@ -319,7 +319,7 @@ CV_INLINE void
     {
         m_nNextShortUpdate[pixel] = (uchar)( rand() % m_nShortUpdate );
     };
-};
+}
 
 CV_INLINE int
         _cvCheckPixelBackgroundNP(long pixel,
@@ -436,7 +436,7 @@ CV_INLINE int
         };
     }
     return 0;
-};
+}
 
 CV_INLINE void
         icvUpdatePixelBackgroundNP(const Mat& _src, Mat& _dst,
@@ -554,7 +554,7 @@ CV_INLINE void
             i++;
         }
     }
-};
+}
 
 
 
diff --git a/modules/videoio/src/precomp.hpp b/modules/videoio/src/precomp.hpp
index 517dc9186b7318933cf13f15b879d5c2b81d6017..cb3a775dc9a9727a229a8d2b84d716977572ba0b 100644
--- a/modules/videoio/src/precomp.hpp
+++ b/modules/videoio/src/precomp.hpp
@@ -192,6 +192,6 @@ namespace cv
 
     Ptr<IVideoCapture> createGPhoto2Capture(int index);
     Ptr<IVideoCapture> createGPhoto2Capture(const String& deviceName);
-};
+}
 
 #endif /* __VIDEOIO_H_ */