diff --git a/firmware/common/fault_handler.c b/firmware/common/fault_handler.c
index 6127d538..7dce1f3e 100644
--- a/firmware/common/fault_handler.c
+++ b/firmware/common/fault_handler.c
@@ -34,6 +34,7 @@ void hard_fault_handler(void) {
 
 
 void hard_fault_handler_c(uint32_t* args) {
+	(void)args;
 	// args[0-7]: r0, r1, r2, r3, r12, lr, pc, psr
 	// Other interesting registers to examine:
 	//	CFSR: Configurable Fault Status Register
diff --git a/firmware/common/rffc5071.c b/firmware/common/rffc5071.c
index e3cc0109..590bbfb1 100644
--- a/firmware/common/rffc5071.c
+++ b/firmware/common/rffc5071.c
@@ -379,6 +379,8 @@ void rffc5071_tx(uint8_t gpo) {
 		gpo |= SWITCHCTRL_NO_TX_AMP_PWR;
 	gpo |= (SWITCHCTRL_TX | SWITCHCTRL_NO_RX_AMP_PWR);
 	rffc5071_set_gpo(gpo);
+#else
+	(void)gpo;
 #endif
 	rffc5071_regs_commit();
 
@@ -403,6 +405,8 @@ void rffc5071_rx(uint8_t gpo) {
 		gpo |= SWITCHCTRL_NO_RX_AMP_PWR;
 	gpo |= SWITCHCTRL_NO_TX_AMP_PWR;
 	rffc5071_set_gpo(gpo);
+#else
+	(void)gpo;
 #endif
 	rffc5071_regs_commit();