diff --git a/modules/features2d/src/akaze.cpp b/modules/features2d/src/akaze.cpp
index 3c918bfba..7a0ac729b 100644
--- a/modules/features2d/src/akaze.cpp
+++ b/modules/features2d/src/akaze.cpp
@@ -150,8 +150,8 @@ namespace cv
 
         impl.Compute_Descriptors(keypoints, desc);
 
-        CV_Assert((!desc.rows || desc.cols == descriptorSize())    && "Descriptor size does not match expected");
-        CV_Assert((!desc.rows || (desc.type() & descriptorType())) && "Descriptor type does not match expected");
+        CV_Assert((!desc.rows || desc.cols == descriptorSize()));
+        CV_Assert((!desc.rows || (desc.type() & descriptorType())));
     }
 
     void AKAZE::detectImpl(InputArray image, std::vector<KeyPoint>& keypoints, InputArray mask) const
@@ -196,7 +196,7 @@ namespace cv
         impl.Create_Nonlinear_Scale_Space(img1_32);
         impl.Compute_Descriptors(keypoints, desc);
 
-        CV_Assert((!desc.rows || desc.cols == descriptorSize())    && "Descriptor size does not match expected");
-        CV_Assert((!desc.rows || (desc.type() & descriptorType())) && "Descriptor type does not match expected");
+        CV_Assert((!desc.rows || desc.cols == descriptorSize()));
+        CV_Assert((!desc.rows || (desc.type() & descriptorType())));
     }
 }
\ No newline at end of file
diff --git a/modules/features2d/src/kaze.cpp b/modules/features2d/src/kaze.cpp
index 52fef1366..d975eaeb0 100644
--- a/modules/features2d/src/kaze.cpp
+++ b/modules/features2d/src/kaze.cpp
@@ -119,8 +119,8 @@ namespace cv
 
         impl.Feature_Description(keypoints, desc);
 
-        CV_Assert((!desc.rows || desc.cols == descriptorSize())    && "Descriptor size does not match expected");
-        CV_Assert((!desc.rows || (desc.type() & descriptorType())) && "Descriptor type does not match expected");
+        CV_Assert((!desc.rows || desc.cols == descriptorSize()));
+        CV_Assert((!desc.rows || (desc.type() & descriptorType())));
     }
 
     void KAZE::detectImpl(InputArray image, std::vector<KeyPoint>& keypoints, InputArray mask) const
@@ -167,7 +167,7 @@ namespace cv
         impl.Create_Nonlinear_Scale_Space(img1_32);
         impl.Feature_Description(keypoints, desc);
 
-        CV_Assert((!desc.rows || desc.cols == descriptorSize())    && "Descriptor size does not match expected");
-        CV_Assert((!desc.rows || (desc.type() & descriptorType())) && "Descriptor type does not match expected");
+        CV_Assert((!desc.rows || desc.cols == descriptorSize()));
+        CV_Assert((!desc.rows || (desc.type() & descriptorType())));
     }
 }
\ No newline at end of file
diff --git a/modules/features2d/src/kaze/KAZE.cpp b/modules/features2d/src/kaze/KAZE.cpp
index 36e969009..f8625f983 100644
--- a/modules/features2d/src/kaze/KAZE.cpp
+++ b/modules/features2d/src/kaze/KAZE.cpp
@@ -51,6 +51,8 @@ KAZEFeatures::KAZEFeatures(KAZEOptions& options) {
     use_fed_ = options.use_fed;
     use_upright_ = options.upright;
     use_extended_ = options.extended;
+    use_normalization = USE_CLIPPING_NORMALIZATION;
+
     kcontrast_ = DEFAULT_KCONTRAST;
     ncycles_ = 0;
     reordering_ = true;
@@ -232,9 +234,9 @@ void KAZEFeatures::Compute_KContrast(const cv::Mat &img, const float &kpercentil
     //    cout << "Computing Kcontrast factor." << endl;
     //}
 
-    if (COMPUTE_KCONTRAST) {
+    //if (COMPUTE_KCONTRAST) {
         kcontrast_ = compute_k_percentile(img, kpercentile, sderivatives_, KCONTRAST_NBINS, 0, 0);
-    }
+    //}
 
     //if (verbosity_ == true) {
     //    cout << "kcontrast = " << kcontrast_ << endl;
@@ -972,7 +974,7 @@ void KAZEFeatures::Get_SURF_Upright_Descriptor_64(const cv::KeyPoint &kpt, float
         desc[i] /= len;
     }
 
-    if (USE_CLIPPING_NORMALIZATION == true) {
+    if (use_normalization == true) {
         clippingDescriptor(desc, dsize, CLIPPING_NORMALIZATION_NITER, CLIPPING_NORMALIZATION_RATIO);
     }
 }
@@ -1079,7 +1081,7 @@ void KAZEFeatures::Get_SURF_Descriptor_64(const cv::KeyPoint &kpt, float *desc)
         desc[i] /= len;
     }
 
-    if (USE_CLIPPING_NORMALIZATION == true) {
+    if (use_normalization == true) {
         clippingDescriptor(desc, dsize, CLIPPING_NORMALIZATION_NITER, CLIPPING_NORMALIZATION_RATIO);
     }
 }
@@ -1211,7 +1213,7 @@ void KAZEFeatures::Get_MSURF_Upright_Descriptor_64(const cv::KeyPoint &kpt, floa
         desc[i] /= len;
     }
 
-    if (USE_CLIPPING_NORMALIZATION == true) {
+    if (use_normalization == true) {
         clippingDescriptor(desc, dsize, CLIPPING_NORMALIZATION_NITER, CLIPPING_NORMALIZATION_RATIO);
     }
 }
@@ -1344,7 +1346,7 @@ void KAZEFeatures::Get_MSURF_Descriptor_64(const cv::KeyPoint &kpt, float *desc)
         desc[i] /= len;
     }
 
-    if (USE_CLIPPING_NORMALIZATION == true) {
+    if (use_normalization == true) {
         clippingDescriptor(desc, dsize, CLIPPING_NORMALIZATION_NITER, CLIPPING_NORMALIZATION_RATIO);
     }
 }
@@ -1479,7 +1481,7 @@ void KAZEFeatures::Get_GSURF_Upright_Descriptor_64(const cv::KeyPoint &kpt, floa
         desc[i] /= len;
     }
 
-    if (USE_CLIPPING_NORMALIZATION == true) {
+    if (use_normalization == true) {
         clippingDescriptor(desc, dsize, CLIPPING_NORMALIZATION_NITER, CLIPPING_NORMALIZATION_RATIO);
     }
 }
@@ -1617,7 +1619,7 @@ void KAZEFeatures::Get_GSURF_Descriptor_64(const cv::KeyPoint &kpt, float *desc)
         desc[i] /= len;
     }
 
-    if (USE_CLIPPING_NORMALIZATION == true) {
+    if (use_normalization == true) {
         clippingDescriptor(desc, dsize, CLIPPING_NORMALIZATION_NITER, CLIPPING_NORMALIZATION_RATIO);
     }
 
@@ -1737,7 +1739,7 @@ void KAZEFeatures::Get_SURF_Upright_Descriptor_128(const cv::KeyPoint &kpt, floa
         desc[i] /= len;
     }
 
-    if (USE_CLIPPING_NORMALIZATION == true) {
+    if (use_normalization == true) {
         clippingDescriptor(desc, dsize, CLIPPING_NORMALIZATION_NITER, CLIPPING_NORMALIZATION_RATIO);
     }
 }
@@ -1865,7 +1867,7 @@ void KAZEFeatures::Get_SURF_Descriptor_128(const cv::KeyPoint &kpt, float *desc)
         desc[i] /= len;
     }
 
-    if (USE_CLIPPING_NORMALIZATION == true) {
+    if (use_normalization == true) {
         clippingDescriptor(desc, dsize, CLIPPING_NORMALIZATION_NITER, CLIPPING_NORMALIZATION_RATIO);
     }
 }
@@ -2021,7 +2023,7 @@ void KAZEFeatures::Get_MSURF_Upright_Descriptor_128(const cv::KeyPoint &kpt, flo
         desc[i] /= len;
     }
 
-    if (USE_CLIPPING_NORMALIZATION == true) {
+    if (use_normalization == true) {
         clippingDescriptor(desc, dsize, CLIPPING_NORMALIZATION_NITER, CLIPPING_NORMALIZATION_RATIO);
     }
 }
@@ -2182,7 +2184,7 @@ void KAZEFeatures::Get_MSURF_Descriptor_128(const cv::KeyPoint &kpt, float *desc
         desc[i] /= len;
     }
 
-    if (USE_CLIPPING_NORMALIZATION == true) {
+    if (use_normalization == true) {
         clippingDescriptor(desc, dsize, CLIPPING_NORMALIZATION_NITER, CLIPPING_NORMALIZATION_RATIO);
     }
 }
@@ -2335,7 +2337,7 @@ void KAZEFeatures::Get_GSURF_Upright_Descriptor_128(const cv::KeyPoint &kpt, flo
         desc[i] /= len;
     }
 
-    if (USE_CLIPPING_NORMALIZATION == true) {
+    if (use_normalization == true) {
         clippingDescriptor(desc, dsize, CLIPPING_NORMALIZATION_NITER, CLIPPING_NORMALIZATION_RATIO);
     }
 }
@@ -2493,7 +2495,7 @@ void KAZEFeatures::Get_GSURF_Descriptor_128(const cv::KeyPoint &kpt, float *desc
         desc[i] /= len;
     }
 
-    if (USE_CLIPPING_NORMALIZATION == true) {
+    if (use_normalization == true) {
         clippingDescriptor(desc, dsize, CLIPPING_NORMALIZATION_NITER, CLIPPING_NORMALIZATION_RATIO);
     }
 }
diff --git a/modules/features2d/src/kaze/KAZE.h b/modules/features2d/src/kaze/KAZE.h
index 71b44340e..31507a602 100644
--- a/modules/features2d/src/kaze/KAZE.h
+++ b/modules/features2d/src/kaze/KAZE.h
@@ -43,6 +43,7 @@ private:
   bool use_fed_;        // Set to true in case we want to use FED for the nonlinear diffusion filtering. Set false for using AOS
   bool use_upright_;	// Set to true in case we want to use the upright version of the descriptors
   bool use_extended_;	// Set to true in case we want to use the extended version of the descriptors
+  bool use_normalization;
 
   // Vector of keypoint vectors for finding extrema in multiple threads
   std::vector<std::vector<cv::KeyPoint> > kpts_par_;