diff --git a/Firmware/Marlin_main.cpp b/Firmware/Marlin_main.cpp
index bbf5a89d6..2aa5b3efd 100644
--- a/Firmware/Marlin_main.cpp
+++ b/Firmware/Marlin_main.cpp
@@ -4283,7 +4283,6 @@ void process_commands()
             asm volatile("jmp 0x3E000");
 #endif
         }
-#ifdef PRUSA_SN_SUPPORT
 	else if (code_seen_P(PSTR("SN"))) { // PRUSA SN
         char SN[20];
         eeprom_read_block(SN, (uint8_t*)EEPROM_PRUSA_SN, 20);
@@ -4292,7 +4291,6 @@ void process_commands()
         else
             puts(SN);
     }
-#endif //PRUSA_SN_SUPPORT
     else if(code_seen_P(PSTR("Fir"))){ // PRUSA Fir
 
       SERIAL_PROTOCOLLNPGM(FW_VERSION_FULL);