diff --git a/Source/Core/Core/FifoPlayer/FifoDataFile.cpp b/Source/Core/Core/FifoPlayer/FifoDataFile.cpp
index c19a07f6e1..0bc85ba516 100644
--- a/Source/Core/Core/FifoPlayer/FifoDataFile.cpp
+++ b/Source/Core/Core/FifoPlayer/FifoDataFile.cpp
@@ -79,7 +79,7 @@ FifoDataFile::FifoDataFile() = default;
 
 FifoDataFile::~FifoDataFile() = default;
 
-bool FifoDataFile::ShouldGenerateFakeVIUpdates() const
+bool FifoDataFile::ShouldGenerateFakeVIUpdates()
 {
   return true;
 }
diff --git a/Source/Core/Core/FifoPlayer/FifoDataFile.h b/Source/Core/Core/FifoPlayer/FifoDataFile.h
index 64167a75b6..dc4f7915da 100644
--- a/Source/Core/Core/FifoPlayer/FifoDataFile.h
+++ b/Source/Core/Core/FifoPlayer/FifoDataFile.h
@@ -62,7 +62,7 @@ public:
   void SetIsWii(bool isWii);
   bool GetIsWii() const;
   bool HasBrokenEFBCopies() const;
-  bool ShouldGenerateFakeVIUpdates() const;
+  static bool ShouldGenerateFakeVIUpdates();
 
   u32* GetBPMem() { return m_BPMem.data(); }
   u32* GetCPMem() { return m_CPMem.data(); }
@@ -85,7 +85,7 @@ private:
     FLAG_IS_WII = 1
   };
 
-  void PadFile(size_t numBytes, File::IOFile& file);
+  static void PadFile(size_t numBytes, File::IOFile& file);
 
   void SetFlag(u32 flag, bool set);
   bool GetFlag(u32 flag) const;
diff --git a/Source/Core/Core/FifoPlayer/FifoPlayer.h b/Source/Core/Core/FifoPlayer/FifoPlayer.h
index 62ba207e64..9f8cd9aca7 100644
--- a/Source/Core/Core/FifoPlayer/FifoPlayer.h
+++ b/Source/Core/Core/FifoPlayer/FifoPlayer.h
@@ -173,8 +173,8 @@ private:
   void LoadXFReg(u16 reg, u32 value);
   void LoadXFMem16(u16 address, const u32* data);
 
-  bool ShouldLoadBP(u8 address);
-  bool ShouldLoadXF(u8 address);
+  static bool ShouldLoadBP(u8 address);
+  static bool ShouldLoadXF(u8 address);
 
   bool IsIdleSet() const;
   bool IsHighWatermarkSet() const;