diff --git a/modules/core/src/rand.cpp b/modules/core/src/rand.cpp
index 6a4d6420f..d9712a110 100644
--- a/modules/core/src/rand.cpp
+++ b/modules/core/src/rand.cpp
@@ -247,7 +247,7 @@ static void randf_32f( float* arr, int len, uint64* state, const Vec2f* p, bool
                 _mm_set_ss(p[i][1]))
                 );
 #else
-        arr[i] += (int)temp*p[i][0] + p[i][1];
+        arr[i] = (int)temp*p[i][0] + p[i][1];
 #endif
     }
 
diff --git a/modules/imgproc/src/smooth.cpp b/modules/imgproc/src/smooth.cpp
index 8a5efdc27..41dda25ff 100644
--- a/modules/imgproc/src/smooth.cpp
+++ b/modules/imgproc/src/smooth.cpp
@@ -312,9 +312,7 @@ void cv::boxFilter( InputArray _src, OutputArray _dst, int ddepth,
             ksize.width = 1;
     }
 #ifdef HAVE_TEGRA_OPTIMIZATION
-    if(tegra::box(src, dst, ksize, borderType))
-        return;
-    if ( tegra::boxFilter(src, dst, ksize, anchor, normalize, borderType) )
+    if ( tegra::box(src, dst, ksize, anchor, normalize, borderType) )
         return;
 #endif