diff --git a/lib/KSDK_2.0_MK22FN512xxx12 b/lib/KSDK_2.0_MK22FN512xxx12
index bc5aeb5..f2c20af 160000
--- a/lib/KSDK_2.0_MK22FN512xxx12
+++ b/lib/KSDK_2.0_MK22FN512xxx12
@@ -1 +1 @@
-Subproject commit bc5aeb58ee69fc59115cbfb034f8a1075956504e
+Subproject commit f2c20af6121e2e7e3bb856a2425408e77b04e966
diff --git a/right/src/init_peripherials.c b/right/src/init_peripherials.c
index 20674ad..920207c 100644
--- a/right/src/init_peripherials.c
+++ b/right/src/init_peripherials.c
@@ -48,7 +48,6 @@ void InitI2c() {
 /* This function is designed to restart and reinstall the I2C handler
  * when a disconnection of the left side makes the master I2C bus unresponsive  */
 void restartI2C(void) {
-    extern uint32_t I2C_Watchdog;
     volatile uint32_t temp, counter;
     uint32_t sourceClock;
     i2c_master_config_t masterConfig;