diff --git a/radio/src/serial.cpp b/radio/src/serial.cpp
index 2728ab4da..605b27062 100644
--- a/radio/src/serial.cpp
+++ b/radio/src/serial.cpp
@@ -486,20 +486,10 @@ void serialInit(uint8_t port_nr, int mode)
 
 void initSerialPorts()
 {
-#if defined(DEBUG)
-  // AUX1 and serialPortStates was already initialized early in DEBUG config
-  for (uint8_t port_nr = 0; port_nr < MAX_AUX_SERIAL; port_nr++) {
-    if (port_nr != SP_AUX1) {
-      auto mode = getSerialPortMode(port_nr);
-      serialInit(port_nr, mode);
-    }
-  }
-#else
   for (uint8_t port_nr = 0; port_nr < MAX_AUX_SERIAL; port_nr++) {
     auto mode = getSerialPortMode(port_nr);
     serialInit(port_nr, mode);
   }
-#endif
 }
 
 int serialGetMode(uint8_t port_nr)
diff --git a/radio/src/targets/horus/board.cpp b/radio/src/targets/horus/board.cpp
index 61e96903e..826ee25e7 100644
--- a/radio/src/targets/horus/board.cpp
+++ b/radio/src/targets/horus/board.cpp
@@ -164,11 +164,6 @@ void boardInit()
 
   __enable_irq();
 
-#if defined(DEBUG) && defined(AUX_SERIAL)
-  serialSetMode(SP_AUX1, UART_MODE_DEBUG);                // indicate AUX1 is used
-  serialInit(SP_AUX1, UART_MODE_DEBUG);                   // early AUX1 init
-#endif
-
   TRACE("\nHorus board started :)");
   TRACE("RCC->CSR = %08x", RCC->CSR);
 
diff --git a/radio/src/targets/nv14/board.cpp b/radio/src/targets/nv14/board.cpp
index 4825668d7..aeb60b16a 100644
--- a/radio/src/targets/nv14/board.cpp
+++ b/radio/src/targets/nv14/board.cpp
@@ -111,11 +111,6 @@ void boardInit()
   // detect NV14 vs EL18
   hardwareOptions.pcbrev = boardGetPcbRev();
 
-#if defined(DEBUG) && defined(AUX_SERIAL)
-  serialSetMode(SP_AUX1, UART_MODE_DEBUG);                // indicate AUX1 is used
-  serialInit(SP_AUX1, UART_MODE_DEBUG);                   // early AUX1 init
-#endif
-
   TRACE("\n%s board started :)",
         hardwareOptions.pcbrev == PCBREV_NV14 ?
         "NV14" : "EL18");
diff --git a/radio/src/targets/pl18/board.cpp b/radio/src/targets/pl18/board.cpp
index d56a847a1..0fcb42f03 100644
--- a/radio/src/targets/pl18/board.cpp
+++ b/radio/src/targets/pl18/board.cpp
@@ -100,11 +100,6 @@ void boardInit()
   __enable_irq();
 #endif
 
-#if defined(DEBUG) && defined(AUX_SERIAL)
-  serialSetMode(SP_AUX1, UART_MODE_DEBUG);                // indicate AUX1 is used
-  serialInit(SP_AUX1, UART_MODE_DEBUG);                   // early AUX1 init
-#endif
-
   TRACE("\nPL18 board started :)");
   delay_ms(10);
   TRACE("RCC->CSR = %08x", RCC->CSR);
diff --git a/radio/src/targets/taranis/board.cpp b/radio/src/targets/taranis/board.cpp
index 63ac0d9c2..f23e34e99 100644
--- a/radio/src/targets/taranis/board.cpp
+++ b/radio/src/targets/taranis/board.cpp
@@ -250,11 +250,6 @@ void boardInit()
   ws2812_update(&_led_timer);
 #endif
 
-#if defined(DEBUG) && defined(AUX_SERIAL)
-  serialSetMode(SP_AUX1, UART_MODE_DEBUG);                // indicate AUX1 is used
-  serialInit(SP_AUX1, UART_MODE_DEBUG);                   // early AUX1 init
-#endif
-
 #if defined(HAPTIC)
   hapticInit();
 #endif