diff --git a/modules/ml/src/svmsgd.cpp b/modules/ml/src/svmsgd.cpp
index 4ad103e38..8de076fa2 100644
--- a/modules/ml/src/svmsgd.cpp
+++ b/modules/ml/src/svmsgd.cpp
@@ -140,7 +140,7 @@ private:
 };
 
 Ptr<SVMSGD> SVMSGD::create()
-{    
+{
     return makePtr<SVMSGDImpl>();
 }
 
@@ -265,7 +265,7 @@ bool SVMSGDImpl::train(const Ptr<TrainData>& data, int)
         weights_ = Mat::zeros(1, featureCount, CV_32F);
         shift_ = areEmpty.first ? -1 : 1;
         return true;
-    }    
+    }
 
     Mat extendedTrainSamples;
     Mat average;
diff --git a/modules/ml/test/test_svmsgd.cpp b/modules/ml/test/test_svmsgd.cpp
index 666ef18be..993a0de6b 100644
--- a/modules/ml/test/test_svmsgd.cpp
+++ b/modules/ml/test/test_svmsgd.cpp
@@ -335,4 +335,3 @@ TEST(ML_SVMSGD, twoPoints)
     foundShift /= normFoundWeights;
     CV_Assert((norm(foundWeights - realWeights) < 0.001) && (abs((foundShift - realShift) / realShift) < 0.05));
 }
-
diff --git a/samples/cpp/train_svmsgd.cpp b/samples/cpp/train_svmsgd.cpp
index cca845ef5..616665e87 100644
--- a/samples/cpp/train_svmsgd.cpp
+++ b/samples/cpp/train_svmsgd.cpp
@@ -187,7 +187,7 @@ static void onMouse( int event, int x, int y, int, void* pData)
 
     switch( event )
     {
-    case CV_EVENT_LBUTTONUP:        
+    case CV_EVENT_LBUTTONUP:
         addPointRetrainAndRedraw(data, x, y, 1);
         break;