diff --git a/mace/kernels/resize_bicubic.h b/mace/kernels/resize_bicubic.h
index 046c6bb1206bd3122eb1c8cbacae4c9950cc8ab0..bf61f175fe66a23e754418f580684a3921bfcb23 100644
--- a/mace/kernels/resize_bicubic.h
+++ b/mace/kernels/resize_bicubic.h
@@ -58,21 +58,21 @@ inline int64_t Bound(int64_t val, int64_t limit) {
 }
 
 inline void GetWeightsAndIndices(float scale, int64_t out_loc, int64_t limit,
-                                 std::array<float, 4>* weights,
-                                 std::array<int64_t, 4>* indices) {
+                                 std::vector<float>* weights,
+                                 std::vector<int64_t>* indices) {
   const int64_t in_loc = scale * out_loc;
   const float delta = scale * out_loc - in_loc;
   const int64_t offset = lrintf(delta * kTableSize);
   const float* coeffs_tab = GetCoeffsTable();
-  *weights = {{coeffs_tab[offset * 2 + 1], coeffs_tab[offset * 2],
+  *weights = {coeffs_tab[offset * 2 + 1], coeffs_tab[offset * 2],
                       coeffs_tab[(kTableSize - offset) * 2],
-                      coeffs_tab[(kTableSize - offset) * 2 + 1]}};
-  *indices = {{Bound(in_loc - 1, limit), Bound(in_loc, limit),
-                      Bound(in_loc + 1, limit), Bound(in_loc + 2, limit)}};
+                      coeffs_tab[(kTableSize - offset) * 2 + 1]};
+  *indices = {Bound(in_loc - 1, limit), Bound(in_loc, limit),
+                      Bound(in_loc + 1, limit), Bound(in_loc + 2, limit)};
 }
 
-inline float Interpolate1D(const std::array<float, 4>& weights,
-                           const std::array<float, 4>& values) {
+inline float Interpolate1D(const std::vector<float>& weights,
+                           const std::vector<float>& values) {
   return values[0] * weights[0] + values[1] * weights[1] +
          values[2] * weights[2] + values[3] * weights[3];
 }
@@ -95,17 +95,17 @@ inline void ResizeImage(const float *images,
              const float height_scale,
              const float width_scale,
              float *output) {
-  std::array<float, 4> coeff = {{0.0, 0.0, 0.0, 0.0}};
+  std::vector<float> coeff = {0.0, 0.0, 0.0, 0.0};
 #pragma omp parallel for collapse(2)
   for (index_t b = 0; b < batch_size; ++b) {
     for (index_t y = 0; y < out_height; ++y) {
-      std::array<float, 4> y_weights;
-      std::array<index_t, 4> y_indices;
+      std::vector<float> y_weights;
+      std::vector<index_t> y_indices;
       GetWeightsAndIndices(height_scale, y, in_height, &y_weights,
                                  &y_indices);
       for (index_t x = 0; x < out_width; ++x) {
-        std::array<float, 4> x_weights;
-        std::array<index_t, 4> x_indices;
+        std::vector<float> x_weights;
+        std::vector<index_t> x_indices;
         GetWeightsAndIndices(width_scale, x, in_width, &x_weights,
                              &x_indices);
 
@@ -117,15 +117,15 @@ inline void ResizeImage(const float *images,
           float *channel_output_ptr =
                   output + (b * channels + c) * out_height * out_width;
           for (index_t i = 0; i < 4; ++i) {
-            const std::array<float, 4> values = {
-              {static_cast<float>(channel_input_ptr
+            const std::vector<float> values = {
+              static_cast<float>(channel_input_ptr
                   [y_indices[i] * in_width + x_indices[0]]),
-               static_cast<float>(channel_input_ptr
+              static_cast<float>(channel_input_ptr
                   [y_indices[i] * in_width + x_indices[1]]),
-               static_cast<float>(channel_input_ptr
+              static_cast<float>(channel_input_ptr
                   [y_indices[i] * in_width + x_indices[2]]),
-               static_cast<float>(channel_input_ptr
-                  [y_indices[i] * in_width + x_indices[3]])}};
+              static_cast<float>(channel_input_ptr
+                  [y_indices[i] * in_width + x_indices[3]])};
             coeff[i] = Interpolate1D(x_weights, values);
           }
           channel_output_ptr[y * out_width + x] =