diff --git a/firmware/hw_layer/drivers/sent/sent.cpp b/firmware/hw_layer/drivers/sent/sent.cpp
index 8d5f4515a5..6c80a924ce 100644
--- a/firmware/hw_layer/drivers/sent/sent.cpp
+++ b/firmware/hw_layer/drivers/sent/sent.cpp
@@ -543,9 +543,9 @@ static MAILBOX_DECL(sent_mb, sent_mb_buffer, SENT_MB_SIZE);
 
 static THD_WORKING_AREA(waSentDecoderThread, 256);
 
-void SENT_ISR_Handler(uint8_t ch, uint16_t clocks) {
+void SENT_ISR_Handler(uint8_t channel, uint16_t clocks) {
 	/* encode to fit msg_t */
-	msg_t msg = (ch << 16) | clocks;
+	msg_t msg = (channel << 16) | clocks;
 
 	/* called from ISR */
 	chSysLockFromISR();
@@ -565,17 +565,17 @@ static void SentDecoderThread(void*) {
 			uint8_t n = (msg >> 16) & 0xff;
 
 			if (n < SENT_CHANNELS_NUM) {
-				sent_channel &ch = channels[n];
+				sent_channel &channel = channels[n];
 
-				if (ch.Decoder(tick) > 0) {
+				if (channel.Decoder(tick) > 0) {
 
     				uint16_t sig0, sig1;
-    				ch.GetSignals(NULL, &sig0, &sig1);
+    				channel.GetSignals(NULL, &sig0, &sig1);
     				engine->sent_state.value0 = sig0;
     				engine->sent_state.value1 = sig1;
 
     				#if SENT_STATISTIC_COUNTERS
-    				    engine->sent_state.errorRate = ch.statistic.getErrorRate();
+    				    engine->sent_state.errorRate = channel.statistic.getErrorRate();
     				#endif // SENT_STATISTIC_COUNTERS
 
 
@@ -588,10 +588,8 @@ static void SentDecoderThread(void*) {
 
 static void printSentInfo() {
 	for (int i = 0; i < SENT_CHANNELS_NUM; i++) {
-		sent_channel &ch = channels[i];
-
 		efiPrintf("---- SENT ch %d ----", i);
-		ch.Info();
+		channels[i].Info();
 		efiPrintf("--------------------");
 	}
 }
@@ -601,9 +599,8 @@ static void printSentInfo() {
 float getSentValue(size_t index) {
 	if (index < SENT_CHANNELS_NUM) {
 		uint16_t sig0, sig1;
-		sent_channel &ch = channels[index];
 
-		if (ch.GetSignals(NULL, &sig0, &sig1) == 0) {
+		if (channels[index].GetSignals(NULL, &sig0, &sig1) == 0) {
 
 			// GM sig0 + sig1 == 0xfff but Ford does not
 			/* scale to 0.0 .. 1.0 */
@@ -616,9 +613,7 @@ float getSentValue(size_t index) {
 
 int getSentValues(size_t index, uint16_t *sig0, uint16_t *sig1) {
 	if (index < SENT_CHANNELS_NUM) {
-		sent_channel &ch = channels[index];
-
-		return ch.GetSignals(NULL, sig0, sig1);
+		return channels[index].GetSignals(NULL, sig0, sig1);
 	}
 
 	/* invalid channel */