diff --git a/drivers/CAN.cpp b/drivers/CAN.cpp
index 2c0a53442f..e3a0d42854 100644
--- a/drivers/CAN.cpp
+++ b/drivers/CAN.cpp
@@ -17,7 +17,6 @@
 
 #if DEVICE_CAN
 
-#include "cmsis.h"
 #include "platform/mbed_power_mgmt.h"
 
 namespace mbed {
diff --git a/drivers/TimerEvent.cpp b/drivers/TimerEvent.cpp
index ddf495f681..9c5174dc72 100644
--- a/drivers/TimerEvent.cpp
+++ b/drivers/TimerEvent.cpp
@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 #include "drivers/TimerEvent.h"
-#include "cmsis.h"
 
 #include <stddef.h>
 #include "hal/ticker_api.h"