diff --git a/modules/core/perf/perf_merge.cpp b/modules/core/perf/perf_merge.cpp
index 302b9b2e50..7efa6e24eb 100644
--- a/modules/core/perf/perf_merge.cpp
+++ b/modules/core/perf/perf_merge.cpp
@@ -28,7 +28,7 @@ PERF_TEST_P( Size_SrcDepth_DstChannels, merge,
         mv.push_back( Mat(sz, CV_MAKETYPE(srcDepth, 1)) );
         randu(mv[i], 0, 255);
     }
-    
+
     Mat dst;
     TEST_CYCLE() merge( (vector<Mat> &)mv, dst );
 
diff --git a/modules/core/perf/perf_split.cpp b/modules/core/perf/perf_split.cpp
index ea4e5ab79c..d554eadf94 100644
--- a/modules/core/perf/perf_split.cpp
+++ b/modules/core/perf/perf_split.cpp
@@ -22,7 +22,7 @@ PERF_TEST_P( Size_Depth_Channels, split,
     int depth = get<1>(GetParam());
     int channels = get<2>(GetParam());
 
-    Mat m(sz, CV_MAKETYPE(depth, channels));    
+    Mat m(sz, CV_MAKETYPE(depth, channels));
     randu(m, 0, 255);
 
     vector<Mat> mv;