diff --git a/companion/src/firmwares/opentx/opentxinterface.cpp b/companion/src/firmwares/opentx/opentxinterface.cpp
index eac802f48..31fe94e98 100644
--- a/companion/src/firmwares/opentx/opentxinterface.cpp
+++ b/companion/src/firmwares/opentx/opentxinterface.cpp
@@ -1207,7 +1207,6 @@ void registerOpenTxFirmwares()
   /* FrSky X-Lite S/PRO board */
   firmware = new OpenTxFirmware("opentx-xlites", QCoreApplication::translate("Firmware", "FrSky Taranis X-Lite S/PRO"), BOARD_TARANIS_XLITES);
   addOpenTxTaranisOptions(firmware);
-  firmware->addOption("internalpxx1", Firmware::tr("Support for PXX1 internal module replacement"));
   registerOpenTxFirmware(firmware);
 
   /* FrSky X-Lite board */
diff --git a/radio/src/gui/gui_common.cpp b/radio/src/gui/gui_common.cpp
index 9df9addf5..cb024c839 100644
--- a/radio/src/gui/gui_common.cpp
+++ b/radio/src/gui/gui_common.cpp
@@ -568,7 +568,7 @@ bool isInternalModuleAvailable(int moduleType)
   if (moduleType == MODULE_TYPE_NONE)
     return true;
 
-#if defined(PXX1) && defined(INTERNAL_MODULE_PXX1)
+#if defined(PXX1)
   if (moduleType == MODULE_TYPE_PXX_XJT)
     return !isModuleUSingSport(EXTERNAL_MODULE, g_model.moduleData[EXTERNAL_MODULE].type);
 #else
diff --git a/radio/src/targets/taranis/CMakeLists.txt b/radio/src/targets/taranis/CMakeLists.txt
index 03fff3ef9..6da864db2 100644
--- a/radio/src/targets/taranis/CMakeLists.txt
+++ b/radio/src/targets/taranis/CMakeLists.txt
@@ -1,7 +1,6 @@
 option(SHUTDOWN_CONFIRMATION "Shutdown confirmation" OFF)
 option(LCD_DUAL_BUFFER "Dual LCD Buffer" OFF)
 option(INTERNAL_MODULE_PPM "Support for PPM internal module hack" OFF)
-option(INTERNAL_MODULE_PXX1 "Support for PXX1 internal module replacement" OFF)
 option(USEHORUSBT "X9E BT module replaced by Horus BT module" OFF)
 option(PXX1 "PXX1 protocol support" ON)
 option(PXX2 "PXX2 protocol support" ON)
@@ -274,10 +273,6 @@ if(INTERNAL_MODULE_PPM)
   add_definitions(-DINTERNAL_MODULE_PPM)
 endif()
 
-if(INTERNAL_MODULE_PXX1)
-  add_definitions(-DINTERNAL_MODULE_PXX1)
-endif()
-
 if(USEHORUSBT)
   add_definitions(-DUSEHORUSBT)
 endif(USEHORUSBT)
diff --git a/radio/src/targets/taranis/hal.h b/radio/src/targets/taranis/hal.h
index 0dee931ca..35e0f5e27 100644
--- a/radio/src/targets/taranis/hal.h
+++ b/radio/src/targets/taranis/hal.h
@@ -702,9 +702,6 @@
 
 // Internal Module
 #define HARDWARE_INTERNAL_MODULE
-#if !(defined(PCBXLITES) && !defined(PCBX9LITE))
-  #define INTERNAL_MODULE_PXX1
-#endif
 #if defined(PCBXLITE) || defined(PCBX9LITE)
   #define INTMODULE_RCC_APB1Periph      RCC_APB1Periph_TIM3
   #define INTMODULE_RCC_APB2Periph      RCC_APB2Periph_USART1
diff --git a/radio/util/fwoptions.py b/radio/util/fwoptions.py
index 997946f99..94a4c2dcf 100755
--- a/radio/util/fwoptions.py
+++ b/radio/util/fwoptions.py
@@ -113,8 +113,7 @@ options_taranis_x9lite = {
     "nooverridech": ("OVERRIDE_CHANNEL_FUNCTION", "NO", "YES"),
     "shutdownconfirm": ("SHUTDOWN_CONFIRMATION", "YES", "NO"),
     "eu": ("SUPPORT_D16_EU_ONLY", "YES", "NO"),
-    "multimodule": ("MULTIMODULE", "YES", "NO"),
-    "internalpxx1": ("INTERNAL_MODULE_PXX1", "NO", "YES"),
+    "multimodule": ("MULTIMODULE", "YES", "NO")
 }
 
 options_taranis_xlite = {
@@ -145,7 +144,6 @@ options_taranis_xlites = {
     "shutdownconfirm": ("SHUTDOWN_CONFIRMATION", "YES", "NO"),
     "eu": ("SUPPORT_D16_EU_ONLY", "YES", "NO"),
     "multimodule": ("MULTIMODULE", "YES", "NO"),
-    "internalpxx1": ("INTERNAL_MODULE_PXX1", "NO", "YES"),
 }
 
 options_taranis_x9e = {