diff --git a/targets/TARGET_STM/TARGET_STM32F1/TARGET_NUCLEO_F103RB/USBHAL_STM32F103RB.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F1/TARGET_NUCLEO_F103RB/USBHAL_STM32F103RB.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F1/TARGET_NUCLEO_F103RB/USBHAL_STM32F103RB.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F1/TARGET_NUCLEO_F103RB/USBHAL_STM32F103RB.h
diff --git a/targets/TARGET_STM/TARGET_STM32F1/TARGET_NUCLEO_F103RB/USBHAL_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F1/TARGET_NUCLEO_F103RB/USBHAL_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F1/TARGET_NUCLEO_F103RB/USBHAL_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F1/TARGET_NUCLEO_F103RB/USBHAL_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F2/TARGET_NUCLEO_F207ZG/USBHALHost_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F2/TARGET_NUCLEO_F207ZG/USBHALHost_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F2/TARGET_NUCLEO_F207ZG/USBHALHost_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F2/TARGET_NUCLEO_F207ZG/USBHALHost_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F2/TARGET_NUCLEO_F207ZG/USBHAL_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F2/TARGET_NUCLEO_F207ZG/USBHAL_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F2/TARGET_NUCLEO_F207ZG/USBHAL_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F2/TARGET_NUCLEO_F207ZG/USBHAL_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F3/TARGET_STM32F303xE/TARGET_NUCLEO_F303ZE/USBHAL_STM32F303ZE.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F3/TARGET_STM32F303xE/TARGET_NUCLEO_F303ZE/USBHAL_STM32F303ZE.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F3/TARGET_STM32F303xE/TARGET_NUCLEO_F303ZE/USBHAL_STM32F303ZE.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F3/TARGET_STM32F303xE/TARGET_NUCLEO_F303ZE/USBHAL_STM32F303ZE.h
diff --git a/targets/TARGET_STM/TARGET_STM32F3/TARGET_STM32F303xE/TARGET_NUCLEO_F303ZE/USBHAL_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F3/TARGET_STM32F303xE/TARGET_NUCLEO_F303ZE/USBHAL_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F3/TARGET_STM32F303xE/TARGET_NUCLEO_F303ZE/USBHAL_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F3/TARGET_STM32F303xE/TARGET_NUCLEO_F303ZE/USBHAL_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F401xE/TARGET_NUCLEO_F401RE/USBHALHost_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F401xE/TARGET_NUCLEO_F401RE/USBHALHost_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F401xE/TARGET_NUCLEO_F401RE/USBHALHost_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F401xE/TARGET_NUCLEO_F401RE/USBHALHost_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F401xE/TARGET_NUCLEO_F401RE/USBHAL_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F401xE/TARGET_NUCLEO_F401RE/USBHAL_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F401xE/TARGET_NUCLEO_F401RE/USBHAL_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F401xE/TARGET_NUCLEO_F401RE/USBHAL_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F407xG/TARGET_DISCO_F407VG/USBHAL_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F407xG/TARGET_DISCO_F407VG/USBHAL_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F407xG/TARGET_DISCO_F407VG/USBHAL_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F407xG/TARGET_DISCO_F407VG/USBHAL_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F411xE/TARGET_NUCLEO_F411RE/USBHALHost_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F411xE/TARGET_NUCLEO_F411RE/USBHALHost_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F411xE/TARGET_NUCLEO_F411RE/USBHALHost_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F411xE/TARGET_NUCLEO_F411RE/USBHALHost_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F411xE/TARGET_NUCLEO_F411RE/USBHAL_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F411xE/TARGET_NUCLEO_F411RE/USBHAL_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F411xE/TARGET_NUCLEO_F411RE/USBHAL_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F411xE/TARGET_NUCLEO_F411RE/USBHAL_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F412xG/TARGET_NUCLEO_F412ZG/USBHALHost_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F412xG/TARGET_NUCLEO_F412ZG/USBHALHost_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F412xG/TARGET_NUCLEO_F412ZG/USBHALHost_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F412xG/TARGET_NUCLEO_F412ZG/USBHALHost_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F412xG/TARGET_NUCLEO_F412ZG/USBHAL_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F412xG/TARGET_NUCLEO_F412ZG/USBHAL_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F412xG/TARGET_NUCLEO_F412ZG/USBHAL_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F412xG/TARGET_NUCLEO_F412ZG/USBHAL_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F429xI/TARGET_DISCO_F429ZI/USBHALHost_DISCOF429ZI.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F429xI/TARGET_DISCO_F429ZI/USBHALHost_DISCOF429ZI.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F429xI/TARGET_DISCO_F429ZI/USBHALHost_DISCOF429ZI.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F429xI/TARGET_DISCO_F429ZI/USBHALHost_DISCOF429ZI.h
diff --git a/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F429xI/TARGET_DISCO_F429ZI/USBHALHost_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F429xI/TARGET_DISCO_F429ZI/USBHALHost_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F429xI/TARGET_DISCO_F429ZI/USBHALHost_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F429xI/TARGET_DISCO_F429ZI/USBHALHost_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F429xI/TARGET_NUCLEO_F429ZI/USBHALHost_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F429xI/TARGET_NUCLEO_F429ZI/USBHALHost_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F429xI/TARGET_NUCLEO_F429ZI/USBHALHost_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F429xI/TARGET_NUCLEO_F429ZI/USBHALHost_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F429xI/TARGET_NUCLEO_F429ZI/USBHAL_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F429xI/TARGET_NUCLEO_F429ZI/USBHAL_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F429xI/TARGET_NUCLEO_F429ZI/USBHAL_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F429xI/TARGET_NUCLEO_F429ZI/USBHAL_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/TARGET_NUCLEO_F439ZI/USBHALHost_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/TARGET_NUCLEO_F439ZI/USBHALHost_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/TARGET_NUCLEO_F439ZI/USBHALHost_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/TARGET_NUCLEO_F439ZI/USBHALHost_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/TARGET_NUCLEO_F439ZI/USBHAL_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/TARGET_NUCLEO_F439ZI/USBHAL_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/TARGET_NUCLEO_F439ZI/USBHAL_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/TARGET_NUCLEO_F439ZI/USBHAL_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F446xE/TARGET_NUCLEO_F446RE/USBHALHost_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F446xE/TARGET_NUCLEO_F446RE/USBHALHost_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F446xE/TARGET_NUCLEO_F446RE/USBHALHost_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F446xE/TARGET_NUCLEO_F446RE/USBHALHost_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F446xE/TARGET_NUCLEO_F446RE/USBHAL_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F446xE/TARGET_NUCLEO_F446RE/USBHAL_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F446xE/TARGET_NUCLEO_F446RE/USBHAL_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F446xE/TARGET_NUCLEO_F446RE/USBHAL_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F446xE/TARGET_NUCLEO_F446ZE/USBHALHost_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F446xE/TARGET_NUCLEO_F446ZE/USBHALHost_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F446xE/TARGET_NUCLEO_F446ZE/USBHALHost_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F446xE/TARGET_NUCLEO_F446ZE/USBHALHost_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F446xE/TARGET_NUCLEO_F446ZE/USBHAL_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F446xE/TARGET_NUCLEO_F446ZE/USBHAL_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F446xE/TARGET_NUCLEO_F446ZE/USBHAL_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F4/TARGET_STM32F446xE/TARGET_NUCLEO_F446ZE/USBHAL_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F746xG/TARGET_NUCLEO_F746ZG/USBHALHost_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F7/TARGET_STM32F746xG/TARGET_NUCLEO_F746ZG/USBHALHost_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F746xG/TARGET_NUCLEO_F746ZG/USBHALHost_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F7/TARGET_STM32F746xG/TARGET_NUCLEO_F746ZG/USBHALHost_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F746xG/TARGET_NUCLEO_F746ZG/USBHAL_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F7/TARGET_STM32F746xG/TARGET_NUCLEO_F746ZG/USBHAL_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F746xG/TARGET_NUCLEO_F746ZG/USBHAL_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F7/TARGET_STM32F746xG/TARGET_NUCLEO_F746ZG/USBHAL_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F756xG/TARGET_NUCLEO_F756ZG/USBHALHost_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F7/TARGET_STM32F756xG/TARGET_NUCLEO_F756ZG/USBHALHost_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F756xG/TARGET_NUCLEO_F756ZG/USBHALHost_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F7/TARGET_STM32F756xG/TARGET_NUCLEO_F756ZG/USBHALHost_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F756xG/TARGET_NUCLEO_F756ZG/USBHAL_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F7/TARGET_STM32F756xG/TARGET_NUCLEO_F756ZG/USBHAL_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F756xG/TARGET_NUCLEO_F756ZG/USBHAL_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F7/TARGET_STM32F756xG/TARGET_NUCLEO_F756ZG/USBHAL_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F767xI/TARGET_NUCLEO_F767ZI/USBHALHost_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F7/TARGET_STM32F767xI/TARGET_NUCLEO_F767ZI/USBHALHost_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F767xI/TARGET_NUCLEO_F767ZI/USBHALHost_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F7/TARGET_STM32F767xI/TARGET_NUCLEO_F767ZI/USBHALHost_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F767xI/TARGET_NUCLEO_F767ZI/USBHAL_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F7/TARGET_STM32F767xI/TARGET_NUCLEO_F767ZI/USBHAL_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F767xI/TARGET_NUCLEO_F767ZI/USBHAL_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F7/TARGET_STM32F767xI/TARGET_NUCLEO_F767ZI/USBHAL_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F769xI/TARGET_DISCO_F769NI/USBHAL_STM32F769NI.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F7/TARGET_STM32F769xI/TARGET_DISCO_F769NI/USBHAL_STM32F769NI.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F769xI/TARGET_DISCO_F769NI/USBHAL_STM32F769NI.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F7/TARGET_STM32F769xI/TARGET_DISCO_F769NI/USBHAL_STM32F769NI.h
diff --git a/targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F769xI/TARGET_DISCO_F769NI/USBHAL_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F7/TARGET_STM32F769xI/TARGET_DISCO_F769NI/USBHAL_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F769xI/TARGET_DISCO_F769NI/USBHAL_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32F7/TARGET_STM32F769xI/TARGET_DISCO_F769NI/USBHAL_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32L0/TARGET_DISCO_L053C8/USBHAL_STM32L053C8.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32L0/TARGET_DISCO_L053C8/USBHAL_STM32L053C8.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32L0/TARGET_DISCO_L053C8/USBHAL_STM32L053C8.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32L0/TARGET_DISCO_L053C8/USBHAL_STM32L053C8.h
diff --git a/targets/TARGET_STM/TARGET_STM32L0/TARGET_DISCO_L053C8/USBHAL_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32L0/TARGET_DISCO_L053C8/USBHAL_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32L0/TARGET_DISCO_L053C8/USBHAL_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32L0/TARGET_DISCO_L053C8/USBHAL_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/TARGET_DISCO_L476VG/USBHALHost_DISCOL476VG.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/TARGET_DISCO_L476VG/USBHALHost_DISCOL476VG.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/TARGET_DISCO_L476VG/USBHALHost_DISCOL476VG.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/TARGET_DISCO_L476VG/USBHALHost_DISCOL476VG.h
diff --git a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/TARGET_DISCO_L476VG/USBHALHost_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/TARGET_DISCO_L476VG/USBHALHost_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/TARGET_DISCO_L476VG/USBHALHost_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/TARGET_DISCO_L476VG/USBHALHost_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/TARGET_DISCO_L476VG/USBHAL_STM32L476VG.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/TARGET_DISCO_L476VG/USBHAL_STM32L476VG.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/TARGET_DISCO_L476VG/USBHAL_STM32L476VG.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/TARGET_DISCO_L476VG/USBHAL_STM32L476VG.h
diff --git a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/TARGET_DISCO_L476VG/USBHAL_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/TARGET_DISCO_L476VG/USBHAL_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/TARGET_DISCO_L476VG/USBHAL_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/TARGET_DISCO_L476VG/USBHAL_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/TARGET_NUCLEO_L476RG/USBHALHost_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/TARGET_NUCLEO_L476RG/USBHALHost_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/TARGET_NUCLEO_L476RG/USBHALHost_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32L4/TARGET_STM32L476xG/TARGET_NUCLEO_L476RG/USBHALHost_STM_TARGET.h
diff --git a/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/TARGET_NUCLEO_L486RG/USBHALHost_STM_TARGET.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/TARGET_NUCLEO_L486RG/USBHALHost_STM_TARGET.h
similarity index 100%
rename from targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/TARGET_NUCLEO_L486RG/USBHALHost_STM_TARGET.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/TARGET_STM32L4/TARGET_STM32L486xG/TARGET_NUCLEO_L486RG/USBHALHost_STM_TARGET.h
diff --git a/targets/TARGET_STM/USBHALHost_STM_144_64pins.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/USBHALHost_STM_144_64pins.h
similarity index 100%
rename from targets/TARGET_STM/USBHALHost_STM_144_64pins.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/USBHALHost_STM_144_64pins.h
diff --git a/targets/TARGET_STM/USBHAL_STM_144_64pins.h b/features/unsupported/USBDevice/USBDevice/TARGET_STM/USBHAL_STM_144_64pins.h
similarity index 100%
rename from targets/TARGET_STM/USBHAL_STM_144_64pins.h
rename to features/unsupported/USBDevice/USBDevice/TARGET_STM/USBHAL_STM_144_64pins.h