diff --git a/Libraries/PeriphDrivers/Source/UART/uart_reva.c b/Libraries/PeriphDrivers/Source/UART/uart_reva.c
index 337a4d7fac..0c59e15fd4 100644
--- a/Libraries/PeriphDrivers/Source/UART/uart_reva.c
+++ b/Libraries/PeriphDrivers/Source/UART/uart_reva.c
@@ -19,7 +19,6 @@
  ******************************************************************************/
 
 #include <stdio.h>
-#include <stdbool.h>
 #include "mxc_device.h"
 #include "mxc_assert.h"
 #include "uart.h"
diff --git a/Libraries/PeriphDrivers/Source/UART/uart_revb.c b/Libraries/PeriphDrivers/Source/UART/uart_revb.c
index e6cccc2c30..74faa522fb 100644
--- a/Libraries/PeriphDrivers/Source/UART/uart_revb.c
+++ b/Libraries/PeriphDrivers/Source/UART/uart_revb.c
@@ -20,7 +20,6 @@
  ******************************************************************************/
 
 #include <stdio.h>
-#include <stdbool.h>
 #include "mxc_device.h"
 #include "mxc_assert.h"
 #include "uart.h"