diff --git a/radio/src/audio_arm.cpp b/radio/src/audio_arm.cpp
index b8d490da9..714980fe9 100644
--- a/radio/src/audio_arm.cpp
+++ b/radio/src/audio_arm.cpp
@@ -201,8 +201,6 @@ const char * audioFilenames[] = {
   "rssi_org",
   "rssi_red",
   "swr_red",
-  "rx_org",
-  "rx_red",
   "telemko",
   "telemok"
 };
@@ -1057,14 +1055,12 @@ void audioEvent(uint8_t e, uint16_t f)
         case AU_TIMER_30:
           audioQueue.playTone(BEEP_DEFAULT_FREQ+150, 120, 20, PLAY_REPEAT(2)|PLAY_NOW);
           break;
-        case AU_RXBATT_ORANGE:
         case AU_A1_ORANGE:
         case AU_A2_ORANGE:
         case AU_A3_ORANGE:
         case AU_A4_ORANGE:
           audioQueue.playTone(BEEP_DEFAULT_FREQ+600, 200, 20, PLAY_NOW);
           break;
-        case AU_RXBATT_RED:
         case AU_A1_RED:
         case AU_A2_RED:
         case AU_A3_RED:
diff --git a/radio/src/opentx.h b/radio/src/opentx.h
index 811db7c84..fcd5611f7 100644
--- a/radio/src/opentx.h
+++ b/radio/src/opentx.h
@@ -1370,8 +1370,6 @@ enum AUDIO_SOUNDS {
     AU_RSSI_ORANGE,
     AU_RSSI_RED,
     AU_SWR_RED,
-    AU_RXBATT_ORANGE,
-    AU_RXBATT_RED,
     AU_TELEMETRY_LOST,
     AU_TELEMETRY_BACK,
 #endif
diff --git a/radio/util/tts.py b/radio/util/tts.py
index 5355dec6d..66a5c7b81 100644
--- a/radio/util/tts.py
+++ b/radio/util/tts.py
@@ -177,8 +177,6 @@ def ttsEn():
                     (u"A3,critical", "a3_red", NO_ALTERNATE),
                     (u"A4,low", "a4_org", NO_ALTERNATE),
                     (u"A4,critical", "a4_red", NO_ALTERNATE),
-                    (u"receiver battery, low", "rx_org", NO_ALTERNATE),
-                    (u"receiver battery, critical", "rx_red", NO_ALTERNATE),
                     (u"RF signal, low", "rssi_org", NO_ALTERNATE),
                     (u"RF signal, critical", "rssi_red", NO_ALTERNATE),
                     (u"radio antenna defective", "swr_red", NO_ALTERNATE),
@@ -276,8 +274,6 @@ def ttsFr():
                     (u"A3,critique", "a3_red", NO_ALTERNATE),
                     (u"A4,faible", "a4_org", NO_ALTERNATE),
                     (u"A4,critique", "a4_red", NO_ALTERNATE),
-                    (u"Batterie récepteur faible !", "rx_org", NO_ALTERNATE),
-                    (u"Batterie récepteur critique !", "rx_red", NO_ALTERNATE),                    
                     (u"Signal RF, faible", "rssi_org", NO_ALTERNATE),
                     (u"Signal RF, critique", "rssi_red", NO_ALTERNATE),
                     (u"Antenne défectueuse", "swr_red", NO_ALTERNATE),