diff --git a/modules/video/src/dis_flow.cpp b/modules/video/src/dis_flow.cpp
index e666a4e1b0..5176061341 100644
--- a/modules/video/src/dis_flow.cpp
+++ b/modules/video/src/dis_flow.cpp
@@ -41,6 +41,7 @@
 //M*/
 
 #include "precomp.hpp"
+#include "opencv2/core/hal/intrin.hpp"
 #include "opencl_kernels_video.hpp"
 
 using namespace std;
@@ -517,7 +518,7 @@ inline float processPatch(float &dst_dUx, float &dst_dUy, uchar *I0_ptr, uchar *
                           int I0_stride, int I1_stride, float w00, float w01, float w10, float w11, int patch_sz)
 {
     float SSD = 0.0f;
-#ifdef CV_SIMD128
+#if CV_SIMD128
     if (patch_sz == 8)
     {
         /* Variables to accumulate the sums */
@@ -569,7 +570,7 @@ inline float processPatch(float &dst_dUx, float &dst_dUy, uchar *I0_ptr, uchar *
                 dst_dUx += diff * I0x_ptr[i * I0_stride + j];
                 dst_dUy += diff * I0y_ptr[i * I0_stride + j];
             }
-#ifdef CV_SIMD128
+#if CV_SIMD128
     }
 #endif
     return SSD;
@@ -586,7 +587,7 @@ inline float processPatchMeanNorm(float &dst_dUx, float &dst_dUy, uchar *I0_ptr,
     float sum_I0x_mul = 0.0, sum_I0y_mul = 0.0;
     float n = (float)patch_sz * patch_sz;
 
-#ifdef CV_SIMD128
+#if CV_SIMD128
     if (patch_sz == 8)
     {
         /* Variables to accumulate the sums */
@@ -641,7 +642,7 @@ inline float processPatchMeanNorm(float &dst_dUx, float &dst_dUy, uchar *I0_ptr,
                 sum_I0x_mul += diff * I0x_ptr[i * I0_stride + j];
                 sum_I0y_mul += diff * I0y_ptr[i * I0_stride + j];
             }
-#ifdef CV_SIMD128
+#if CV_SIMD128
     }
 #endif
     dst_dUx = sum_I0x_mul - sum_diff * x_grad_sum / n;
@@ -654,7 +655,7 @@ inline float computeSSD(uchar *I0_ptr, uchar *I1_ptr, int I0_stride, int I1_stri
                         float w11, int patch_sz)
 {
     float SSD = 0.0f;
-#ifdef CV_SIMD128
+#if CV_SIMD128
     if (patch_sz == 8)
     {
         v_float32x4 SSD_vec = v_setall_f32(0);
@@ -679,7 +680,7 @@ inline float computeSSD(uchar *I0_ptr, uchar *I1_ptr, int I0_stride, int I1_stri
                        I0_ptr[i * I0_stride + j];
                 SSD += diff * diff;
             }
-#ifdef CV_SIMD128
+#if CV_SIMD128
     }
 #endif
     return SSD;
@@ -691,7 +692,7 @@ inline float computeSSDMeanNorm(uchar *I0_ptr, uchar *I1_ptr, int I0_stride, int
 {
     float sum_diff = 0.0f, sum_diff_sq = 0.0f;
     float n = (float)patch_sz * patch_sz;
-#ifdef CV_SIMD128
+#if CV_SIMD128
     if (patch_sz == 8)
     {
         v_float32x4 sum_diff_vec = v_setall_f32(0);
@@ -721,7 +722,7 @@ inline float computeSSDMeanNorm(uchar *I0_ptr, uchar *I1_ptr, int I0_stride, int
                 sum_diff += diff;
                 sum_diff_sq += diff * diff;
             }
-#ifdef CV_SIMD128
+#if CV_SIMD128
     }
 #endif
     return sum_diff_sq - sum_diff * sum_diff / n;
diff --git a/modules/video/src/variational_refinement.cpp b/modules/video/src/variational_refinement.cpp
index 82d8c7d5fb..677ae14697 100644
--- a/modules/video/src/variational_refinement.cpp
+++ b/modules/video/src/variational_refinement.cpp
@@ -595,7 +595,7 @@ void VariationalRefinementImpl::ComputeDataTerm_ParBody::operator()(const Range
 #undef INIT_ROW_POINTERS
 
         int j = 0;
-#ifdef CV_SIMD128
+#if CV_SIMD128
         v_float32x4 zeta_vec = v_setall_f32(zeta_squared);
         v_float32x4 eps_vec = v_setall_f32(epsilon_squared);
         v_float32x4 delta_vec = v_setall_f32(delta2);
@@ -801,7 +801,7 @@ void VariationalRefinementImpl::ComputeSmoothnessTermHorPass_ParBody::operator()
     pA_v_next[j] += pWeight[j];
 
         int j = 0;
-#ifdef CV_SIMD128
+#if CV_SIMD128
         v_float32x4 alpha2_vec = v_setall_f32(alpha2);
         v_float32x4 eps_vec = v_setall_f32(epsilon_squared);
         v_float32x4 cW_u_vec, cW_v_vec;
@@ -911,7 +911,7 @@ void VariationalRefinementImpl::ComputeSmoothnessTermVertPass_ParBody::operator(
 #undef INIT_ROW_POINTERS
 
         int j = 0;
-#ifdef CV_SIMD128
+#if CV_SIMD128
         v_float32x4 pWeight_vec, uy_vec, vy_vec;
         for (; j < len - 3; j += 4)
         {
@@ -1013,7 +1013,7 @@ void VariationalRefinementImpl::RedBlackSOR_ParBody::operator()(const Range &ran
 #undef INIT_ROW_POINTERS
 
         j = 0;
-#ifdef CV_SIMD128
+#if CV_SIMD128
         v_float32x4 pW_prev_vec = v_setall_f32(pW_next[-1]);
         v_float32x4 pdu_prev_vec = v_setall_f32(pdu_next[-1]);
         v_float32x4 pdv_prev_vec = v_setall_f32(pdv_next[-1]);