diff --git a/Source/Core/Core/HW/WiiSave.cpp b/Source/Core/Core/HW/WiiSave.cpp
index 5802c0faa4..2230132e13 100644
--- a/Source/Core/Core/HW/WiiSave.cpp
+++ b/Source/Core/Core/HW/WiiSave.cpp
@@ -31,11 +31,11 @@
 #include "Common/StringUtil.h"
 #include "Common/Swap.h"
 
-const u8 WiiSave::s_sd_key[16] = {0xAB, 0x01, 0xB9, 0xD8, 0xE1, 0x62, 0x2B, 0x08,
-                                  0xAF, 0xBA, 0xD8, 0x4D, 0xBF, 0xC2, 0xA5, 0x5D};
-const u8 WiiSave::s_md5_blanker[16] = {0x0E, 0x65, 0x37, 0x81, 0x99, 0xBE, 0x45, 0x17,
-                                       0xAB, 0x06, 0xEC, 0x22, 0x45, 0x1A, 0x57, 0x93};
-const u32 WiiSave::s_ng_id = 0x0403AC68;
+constexpr u8 s_sd_key[16] = {0xAB, 0x01, 0xB9, 0xD8, 0xE1, 0x62, 0x2B, 0x08,
+                             0xAF, 0xBA, 0xD8, 0x4D, 0xBF, 0xC2, 0xA5, 0x5D};
+constexpr u8 s_md5_blanker[16] = {0x0E, 0x65, 0x37, 0x81, 0x99, 0xBE, 0x45, 0x17,
+                                  0xAB, 0x06, 0xEC, 0x22, 0x45, 0x1A, 0x57, 0x93};
+constexpr u32 s_ng_id = 0x0403AC68;
 
 bool WiiSave::ImportWiiSave(const std::string& filename)
 {
diff --git a/Source/Core/Core/HW/WiiSave.h b/Source/Core/Core/HW/WiiSave.h
index 725179c330..52529320ac 100644
--- a/Source/Core/Core/HW/WiiSave.h
+++ b/Source/Core/Core/HW/WiiSave.h
@@ -34,10 +34,6 @@ private:
   void ScanForFiles(const std::string& save_directory, std::vector<std::string>& file_list,
                     u32* num_files, u32* size_files);
 
-  static const u8 s_sd_key[16];
-  static const u8 s_md5_blanker[16];
-  static const u32 s_ng_id;
-
   mbedtls_aes_context m_aes_ctx;
   u8 m_sd_iv[0x10];
   std::vector<std::string> m_files_list;