diff --git a/src/serial.c b/src/serial.c
index 2cfdd80..f49bcda 100644
--- a/src/serial.c
+++ b/src/serial.c
@@ -28,7 +28,7 @@
 #include <time.h>
 #endif
 
-#if defined(__APPLE__)
+#if defined(__APPLE__) && !(defined(ENABLE_EMULATION) && defined(__FOR_CI))
 #include <CoreFoundation/CoreFoundation.h>
 #include <IOKit/IOKitLib.h>
 
@@ -57,7 +57,7 @@ static int get_macos_serial(uint8_t *out) {
     }
     return ok ? 0 : -4;
 }
-#elif defined(_MSC_VER)
+#elif defined(_MSC_VER) && !(defined(ENABLE_EMULATION) && defined(__FOR_CI))
 #include <windows.h>
 #include <wbemidl.h>
 
@@ -230,9 +230,9 @@ static int serial_id_is_zero(const uint8_t *id, size_t len) {
 
 #if defined(ESP_PLATFORM)
 #define pico_get_unique_board_id(a) do { uint32_t value; esp_efuse_read_block(EFUSE_BLK1, &value, 0, 32); memcpy((uint8_t *)(a), &value, sizeof(uint32_t)); esp_efuse_read_block(EFUSE_BLK1, &value, 32, 32); memcpy((uint8_t *)(a)+4, &value, sizeof(uint32_t)); } while(0)
-#elif defined(__APPLE__)
+#elif defined(__APPLE__) && !(defined(ENABLE_EMULATION) && defined(__FOR_CI))
 #define pico_get_unique_board_id(a) get_macos_serial((uint8_t *)(a))
-#elif defined(_MSC_VER)
+#elif defined(_MSC_VER) && !(defined(ENABLE_EMULATION) && defined(__FOR_CI))
 #define pico_get_unique_board_id(a) get_system_uuid((char *)(a))
 #elif defined(__linux__) && !(defined(ENABLE_EMULATION) && defined(__FOR_CI))
 #define pico_get_unique_board_id(a) get_linux_hardware_id((char *)(a))