diff --git a/os/hal/src/hal_mmc_spi.c b/os/hal/src/hal_mmc_spi.c
index 9e21022bc..f6d19dca8 100644
--- a/os/hal/src/hal_mmc_spi.c
+++ b/os/hal/src/hal_mmc_spi.c
@@ -107,16 +107,8 @@ static bool mmc_is_card_inserted(void *instance) {
   MMCDriver *mmcp = (MMCDriver *)instance;
   bool err;
 
-#if MMC_USE_MUTUAL_EXCLUSION == TRUE
-  spiAcquireBus(mmcp->config->spip);
-#endif
-
   err = mmcIsCardInserted(mmcp);
 
-#if MMC_USE_MUTUAL_EXCLUSION == TRUE
-  spiReleaseBus(mmcp->config->spip);
-#endif
-
   return err;
 }
 
@@ -124,16 +116,8 @@ static bool mmc_is_write_protected(void *instance) {
   MMCDriver *mmcp = (MMCDriver *)instance;
   bool err;
 
-#if MMC_USE_MUTUAL_EXCLUSION == TRUE
-  spiAcquireBus(mmcp->config->spip);
-#endif
-
   err = mmcIsCardInserted(mmcp);
 
-#if MMC_USE_MUTUAL_EXCLUSION == TRUE
-  spiReleaseBus(mmcp->config->spip);
-#endif
-
   return err;
 }