diff --git a/selfdrive/modeld/models/dmonitoring.cc b/selfdrive/modeld/models/dmonitoring.cc
index ea37214d5f..c49be295b5 100644
--- a/selfdrive/modeld/models/dmonitoring.cc
+++ b/selfdrive/modeld/models/dmonitoring.cc
@@ -19,18 +19,11 @@ static inline T *get_buffer(std::vector<T> &buf, const size_t size) {
   return buf.data();
 }
 
-static inline void init_yuv_buf(std::vector<uint8_t> &buf, const int width, int height) {
-  uint8_t *y = get_buffer(buf, width * height * 3 / 2);
-  uint8_t *u = y + width * height;
-  uint8_t *v = u + (width / 2) * (height / 2);
-}
-
 void dmonitoring_init(DMonitoringModelState* s) {
   s->is_rhd = Params().getBool("IsRHD");
   for (int x = 0; x < std::size(s->tensor); ++x) {
     s->tensor[x] = (x - 128.f) * 0.0078125f;
   }
-  init_yuv_buf(s->resized_buf, MODEL_WIDTH, MODEL_HEIGHT);
 
 #ifdef USE_ONNX_MODEL
   s->m = new ONNXModel("../../models/dmonitoring_model.onnx", &s->output[0], OUTPUT_SIZE, USE_DSP_RUNTIME);
@@ -49,7 +42,7 @@ static inline auto get_yuv_buf(std::vector<uint8_t> &buf, const int width, int h
 }
 
 DMonitoringResult dmonitoring_eval_frame(DMonitoringModelState* s, void* stream_buf, int width, int height, float *calib) {
-  uint8_t *raw_y = (uint8_t *) raw;
+  uint8_t *raw_y = (uint8_t *) stream_buf;
   uint8_t *raw_u = raw_y + (width * height);
   uint8_t *raw_v = raw_u + ((width / 2) * (height / 2));