diff --git a/src/tests/roc_core/test_mov_histogram.cpp b/src/tests/roc_core/test_mov_histogram.cpp
index 23e4c6a7f..6473181c7 100644
--- a/src/tests/roc_core/test_mov_histogram.cpp
+++ b/src/tests/roc_core/test_mov_histogram.cpp
@@ -56,10 +56,8 @@ TEST(movhistogram, single_pass) {
                               win_length);
     CHECK(hist.is_valid());
 
-    size_t values[win_length];
     for (size_t i = 0; i < win_length; i++) {
-        values[i] = i * num_bins;
-        hist.add_value(values[i]);
+        hist.add_value(i * num_bins);
     }
 
     for (size_t i = 0; i < num_bins; ++i) {
@@ -77,10 +75,8 @@ TEST(movhistogram, rolling_window) {
                               win_length);
     CHECK(hist.is_valid());
 
-    size_t values[win_length * 2];
     for (size_t i = 0; i < win_length * 2; i++) {
-        values[i] = i * (value_range_max / num_bins);
-        hist.add_value(values[i]);
+        hist.add_value(i * (value_range_max / num_bins));
     }
 
     for (size_t i = 0; i < num_bins; ++i) {