diff --git a/configs/nucleo-144/include/board.h b/configs/nucleo-144/include/board.h
index 1027e514ec..ac06c1fca9 100644
--- a/configs/nucleo-144/include/board.h
+++ b/configs/nucleo-144/include/board.h
@@ -170,7 +170,6 @@
 #define STM32_RCC_DCKCFGR2_CK48MSRC   RCC_DCKCFGR2_CK48MSEL_PLL
 #define STM32_RCC_DCKCFGR2_SDMMCSRC   RCC_DCKCFGR2_SDMMCSEL_48MHZ
 #define STM32_RCC_DCKCFGR2_SDMMC2SRC  RCC_DCKCFGR2_SDMMC2SEL_48MHZ
-#define STM32_RCC_DCKCFGR2_DSISRC     RCC_DCKCFGR2_DSISEL_48MHZ
 
 
 /* Several prescalers allow the configuration of the two AHB buses, the