diff --git a/stm32cube/stm32h5xx/drivers/include/stm32h5xx_hal_sai.h b/stm32cube/stm32h5xx/drivers/include/stm32h5xx_hal_sai.h
index e3d856d1c..25049024e 100755
--- a/stm32cube/stm32h5xx/drivers/include/stm32h5xx_hal_sai.h
+++ b/stm32cube/stm32h5xx/drivers/include/stm32h5xx_hal_sai.h
@@ -31,6 +31,8 @@ extern "C" {
   * @{
   */
 
+#if defined(SAI1_Block_A) || defined(SAI1_Block_B)
+
 /** @addtogroup SAI
   * @{
   */
@@ -957,6 +959,8 @@ uint32_t HAL_SAI_GetError(const SAI_HandleTypeDef *hsai);
   * @}
   */
 
+#endif /* SAI1_Block_A || SAI1_Block_B */
+
 /**
   * @}
   */