diff --git a/include/znordic_device_info_mgr.h b/include/znordic_device_info_mgr.h
deleted file mode 100644
index f523659..0000000
--- a/include/znordic_device_info_mgr.h
+++ /dev/null
@@ -1,14 +0,0 @@
-#pragma once
-#include "znordic.h"
-
-typedef struct {
-  uint8_t sn[14];
-} sn_t;
-
-void        device_info_read_sn(sn_t *sn);
-const char *device_info_read_sn_str();
-
-uint16_t    device_info_read_blestack_version(void);
-uint16_t    device_info_read_bootloader_version(void);
-uint16_t    device_info_read_firmware_version(void);
-uint16_t    device_info_read_hardware_version(void);
\ No newline at end of file
diff --git a/src/znordic_device_info_mgr.c b/src/znordic_device_info_mgr.c
deleted file mode 100644
index 6084250..0000000
--- a/src/znordic_device_info_mgr.c
+++ /dev/null
@@ -1,16 +0,0 @@
-#include "znordic_device_info_mgr.h"
-
-void device_info_read_sn(sn_t* sn) {
-  const char* sn_str = "M1001000000004";
-  memcpy(sn->sn, sn_str, sizeof(sn->sn));
-}
-
-const char* device_info_read_sn_str() {
-  static char sn_str[15];
-  device_info_read_sn((sn_t*)sn_str);
-  return sn_str;
-}
-uint16_t device_info_read_blestack_version(void) { return 1; }
-uint16_t device_info_read_bootloader_version(void) { return 1; }
-uint16_t device_info_read_firmware_version(void) { return 1; }
-uint16_t device_info_read_hardware_version(void) { return 1; }
\ No newline at end of file