diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 2c1a220531c4..42cfcb64abe0 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -50,9 +50,6 @@
 #include "sd_ops.h"
 #include "sdio_ops.h"
 
-/* If the device is not responding */
-#define MMC_CORE_TIMEOUT_MS	(10 * 60 * 1000) /* 10 minute timeout */
-
 /* The max erase timeout, used when host->max_busy_timeout isn't specified */
 #define MMC_ERASE_TIMEOUT_MS	(60 * 1000) /* 60 s */