diff --git a/lib/main/STM32F7/Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_usb.c b/lib/main/STM32F7/Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_usb.c
index c3ee209cc0..05d33296ce 100644
--- a/lib/main/STM32F7/Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_usb.c
+++ b/lib/main/STM32F7/Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_usb.c
@@ -817,7 +817,7 @@ HAL_StatusTypeDef USB_WritePacket(USB_OTG_GlobalTypeDef *USBx, uint8_t *src, uin
     count32b =  (len + 3) / 4;
     for (i = 0; i < count32b; i++, src += 4)
     {
-      USBx_DFIFO(ch_ep_num) = *((__packed uint32_t *)src);
+      USBx_DFIFO((uint32_t)ch_ep_num) = *((uint32_t *)src);
     }
   }
   return HAL_OK;
@@ -843,7 +843,7 @@ void *USB_ReadPacket(USB_OTG_GlobalTypeDef *USBx, uint8_t *dest, uint16_t len)
   
   for ( i = 0; i < count32b; i++, dest += 4 )
   {
-    *(__packed uint32_t *)dest = USBx_DFIFO(0);
+    *(uint32_t *)dest = USBx_DFIFO(0);
     
   }
   return ((void *)dest);
diff --git a/src/main/cms/cms.c b/src/main/cms/cms.c
index c775c222e4..3a4730f66f 100644
--- a/src/main/cms/cms.c
+++ b/src/main/cms/cms.c
@@ -329,7 +329,7 @@ static int cmsDrawMenuEntry(displayPort_t *pDisplay, OSD_Entry *p, uint8_t row)
             buff[0] = 0x0;
             if ((p->type == OME_Submenu) && p->func && (p->flags & OPTSTRING)) {
                 // Special case of sub menu entry with optional value display.
-                char *str = ((CMSMenuOptFuncPtr)p->func)();
+                char *str = ((CMSMenuOptFuncPtr)(long)p->func)();
                 strncpy( buff, str, CMS_DRAW_BUFFER_LEN);
             }
             strncat(buff, ">", CMS_DRAW_BUFFER_LEN);
diff --git a/src/main/cms/cms_menu_vtx_smartaudio.c b/src/main/cms/cms_menu_vtx_smartaudio.c
index 77622df9e7..319da7d40e 100644
--- a/src/main/cms/cms_menu_vtx_smartaudio.c
+++ b/src/main/cms/cms_menu_vtx_smartaudio.c
@@ -492,7 +492,7 @@ static OSD_Entry saCmsMenuConfigEntries[] = {
     { "OP MODEL",  OME_TAB,     saCmsConfigOpmodelByGvar,              &(OSD_TAB_t){ &saCmsOpmodel, 2, saCmsOpmodelNames }, DYNAMIC },
     { "FSEL MODE", OME_TAB,     saCmsConfigFreqModeByGvar,             &saCmsEntFselMode,                                   DYNAMIC },
     { "PIT FMODE", OME_TAB,     saCmsConfigPitFModeByGvar,             &saCmsEntPitFMode,                                   0 },
-    { "POR FREQ",  OME_Submenu, (CMSEntryFuncPtr)saCmsORFreqGetString, &saCmsMenuPORFreq,                                   OPTSTRING },
+    { "POR FREQ",  OME_Submenu, (CMSEntryFuncPtr)(long)saCmsORFreqGetString, &saCmsMenuPORFreq,                                   OPTSTRING },
 #ifdef USE_EXTENDED_CMS_MENUS
     { "STATX",     OME_Submenu, cmsMenuChange,                         &saCmsMenuStats,                                     0 },
 #endif /* USE_EXTENDED_CMS_MENUS */
@@ -534,7 +534,7 @@ static OSD_Entry saCmsMenuFreqModeEntries[] = {
     { "- SMARTAUDIO -", OME_Label, NULL, NULL, 0 },
 
     { "",       OME_Label,   NULL,                                     saCmsStatusString,  DYNAMIC },
-    { "FREQ",   OME_Submenu, (CMSEntryFuncPtr)saCmsUserFreqGetString,  &saCmsMenuUserFreq, OPTSTRING },
+    { "FREQ",   OME_Submenu, (CMSEntryFuncPtr)(long)saCmsUserFreqGetString,  &saCmsMenuUserFreq, OPTSTRING },
     { "POWER",  OME_TAB,     saCmsConfigPowerByGvar,                   &saCmsEntPower,     0 },
     { "SET",    OME_Submenu, cmsMenuChange,                            &saCmsMenuCommence, 0 },
     { "CONFIG", OME_Submenu, cmsMenuChange,                            &saCmsMenuConfig,   0 },
diff --git a/src/main/drivers/beesign.c b/src/main/drivers/beesign.c
index ea6bfeee53..aa26debe57 100644
--- a/src/main/drivers/beesign.c
+++ b/src/main/drivers/beesign.c
@@ -101,10 +101,11 @@ static uint8_t beesignCRC(const beesign_frame_t *pPackage) {
     return crc;
 }
 
-static uint8_t beesignChkID(uint8_t id) {
-    UNUSED(id);
-    return BEESIGN_OK;
-}
+// compiler reports unused
+//static uint8_t beesignChkID(uint8_t id) {
+//    UNUSED(id);
+//    return BEESIGN_OK;
+//}
 
 uint8_t beesignReceive(uint8_t **pRcvFrame) {
     if (!receiveFrameValid) {
@@ -608,7 +609,7 @@ bool checkBeesignSerialPort(void) {
 
 void beesignUpdate(timeUs_t currentTimeUs) {
     UNUSED(currentTimeUs);
-    if (checkBeesignSerialPort) {
+    if (checkBeesignSerialPort()) {
 #ifdef USE_OSD_BEESIGN
         static uint32_t beesignTaskCounter = 0;
         static uint32_t beesignSendNextCounterPoint = 0;
diff --git a/src/main/io/spektrum_vtx_control.c b/src/main/io/spektrum_vtx_control.c
index 61161a30e8..d591359078 100644
--- a/src/main/io/spektrum_vtx_control.c
+++ b/src/main/io/spektrum_vtx_control.c
@@ -113,6 +113,9 @@ const uint8_t vtxBsPi[SPEKTRUM_VTX_POWER_COUNT] = {
 #endif // USE_VTX_BEESIGN
 
 uint8_t convertSpektrumVtxPowerIndex(uint8_t sPower) {
+#if !(defined(USE_VTX_RTC6705) || defined(USE_VTX_SMARTAUDIO) || defined(USE_VTX_TRAMP))
+    UNUSED(sPower);
+#endif
     uint8_t devicePower = 0;
     const vtxDevice_t *vtxDevice = vtxCommonDevice();
     switch (vtxCommonGetDeviceType(vtxDevice)) {
diff --git a/src/main/msc/usbd_msc_desc.c b/src/main/msc/usbd_msc_desc.c
index 2ebe7622fc..061c14563b 100644
--- a/src/main/msc/usbd_msc_desc.c
+++ b/src/main/msc/usbd_msc_desc.c
@@ -67,8 +67,10 @@
 #define USBD_MANUFACTURER_STRING   "STMicroelectronics"
 #define USBD_PRODUCT_HS_STRING        "Mass Storage in HS Mode"
 #define USBD_PRODUCT_FS_STRING        "Mass Storage in FS Mode"
-#define USBD_CONFIGURATION_HS_STRING  "MSC Config"
-#define USBD_INTERFACE_HS_STRING      "MSC Interface"
+#define USBD_CONFIGURATION_HS_STRING  "MSC Config in HS Mode"
+#define USBD_INTERFACE_HS_STRING      "MSC Interface in HS Mode"
+#define USBD_CONFIGURATION_FS_STRING  "MSC Config in FS Mode"
+#define USBD_INTERFACE_FS_STRING      "MSC Interface in FS Mode"
 /**
   * @}
   */
diff --git a/src/main/pg/board.c b/src/main/pg/board.c
index a3d17831ea..28f692c867 100644
--- a/src/main/pg/board.c
+++ b/src/main/pg/board.c
@@ -37,14 +37,14 @@ PG_REGISTER_WITH_RESET_FN(boardConfig_t, boardConfig, PG_BOARD_CONFIG, 0);
 
 void pgResetFn_boardConfig(boardConfig_t *boardConfig) {
     if (boardInformationIsSet()) {
-        strncpy(boardConfig->manufacturerId, getManufacturerId(), MAX_MANUFACTURER_ID_LENGTH);
-        strncpy(boardConfig->boardName, getBoardName(), MAX_BOARD_NAME_LENGTH);
+        strncpy(boardConfig->manufacturerId, getManufacturerId(), MAX_MANUFACTURER_ID_LENGTH + 1);
+        strncpy(boardConfig->boardName, getBoardName(), MAX_BOARD_NAME_LENGTH + 1);
         boardConfig->boardInformationSet = true;
     } else {
 #if !defined(GENERIC_TARGET)
-        strncpy(boardConfig->boardName, targetName, MAX_BOARD_NAME_LENGTH);
+        strncpy(boardConfig->boardName, targetName, MAX_BOARD_NAME_LENGTH + 1);
 #if defined(TARGET_MANUFACTURER_IDENTIFIER)
-        strncpy(boardConfig->manufacturerId, TARGET_MANUFACTURER_IDENTIFIER, MAX_MANUFACTURER_ID_LENGTH);
+        strncpy(boardConfig->manufacturerId, TARGET_MANUFACTURER_IDENTIFIER, MAX_MANUFACTURER_ID_LENGTH + 1);
 #endif
         boardConfig->boardInformationSet = true;
 #else
diff --git a/src/main/rx/crsf.c b/src/main/rx/crsf.c
index 649712c084..f9dedb68ba 100644
--- a/src/main/rx/crsf.c
+++ b/src/main/rx/crsf.c
@@ -130,6 +130,7 @@ typedef struct crsfPayloadLinkstatistics_s {
 } crsfLinkStatistics_t;
 
 static void handleCrsfLinkStatisticsFrame(const crsfLinkStatistics_t* statsPtr, timeUs_t currentTimeUs) {
+    UNUSED(currentTimeUs);
     const crsfLinkStatistics_t stats = *statsPtr;
     CRSFsetLQ(stats.uplink_Link_quality);
     CRSFsetRFMode(stats.rf_Mode);
diff --git a/src/main/telemetry/ghst.c b/src/main/telemetry/ghst.c
index b8dad14b4a..fdee7df26b 100644
--- a/src/main/telemetry/ghst.c
+++ b/src/main/telemetry/ghst.c
@@ -82,9 +82,10 @@ static void ghstInitializeFrame(sbuf_t *dst)
     sbufWriteU8(dst, GHST_ADDR_RX);
 }
 
-STATIC_UNIT_TESTED uint8_t *getGhstFrame(){
-    return ghstFrame;
-}
+//compiler reports unused
+//STATIC_UNIT_TESTED uint8_t *getGhstFrame(){
+//    return ghstFrame;
+//}
 
 static void ghstFinalize(sbuf_t *dst)
 {
diff --git a/src/main/vcp_hal/usbd_desc.c b/src/main/vcp_hal/usbd_desc.c
index ab850449dc..42a38d7b80 100644
--- a/src/main/vcp_hal/usbd_desc.c
+++ b/src/main/vcp_hal/usbd_desc.c
@@ -66,10 +66,10 @@
 #define USBD_MANUFACTURER_STRING      FC_FIRMWARE_NAME
 #define USBD_PRODUCT_HS_STRING        "STM32 Virtual ComPort in HS Mode"
 #define USBD_PRODUCT_FS_STRING        "STM32 Virtual ComPort in FS Mode"
-#define USBD_CONFIGURATION_HS_STRING  "VCP Config"
-#define USBD_INTERFACE_HS_STRING      "VCP Interface"
-#define USBD_CONFIGURATION_FS_STRING  "VCP Config"
-#define USBD_INTERFACE_FS_STRING      "VCP Interface"
+#define USBD_CONFIGURATION_HS_STRING  "VCP Config in HS Mode"
+#define USBD_INTERFACE_HS_STRING      "VCP Interface in HS Mode"
+#define USBD_CONFIGURATION_FS_STRING  "VCP Config in FS Mode"
+#define USBD_INTERFACE_FS_STRING      "VCP Interface in FS Mode"
 
 /* Private macro -------------------------------------------------------------*/
 /* Private function prototypes -----------------------------------------------*/