diff --git a/Source/Core/Core/Boot/Boot.cpp b/Source/Core/Core/Boot/Boot.cpp
index 06d234f220..28e52119f9 100644
--- a/Source/Core/Core/Boot/Boot.cpp
+++ b/Source/Core/Core/Boot/Boot.cpp
@@ -12,6 +12,7 @@
 #include <optional>
 #include <string>
 #include <unordered_set>
+#include <utility>
 #include <vector>
 
 #include <zlib.h>
@@ -456,7 +457,7 @@ BootExecutableReader::BootExecutableReader(File::IOFile file)
   file.ReadBytes(m_bytes.data(), m_bytes.size());
 }
 
-BootExecutableReader::BootExecutableReader(const std::vector<u8>& bytes) : m_bytes(bytes)
+BootExecutableReader::BootExecutableReader(std::vector<u8> bytes) : m_bytes(std::move(bytes))
 {
 }
 
diff --git a/Source/Core/Core/Boot/Boot.h b/Source/Core/Core/Boot/Boot.h
index b1b5ad3c07..24e1c7ffd1 100644
--- a/Source/Core/Core/Boot/Boot.h
+++ b/Source/Core/Core/Boot/Boot.h
@@ -124,7 +124,7 @@ class BootExecutableReader
 public:
   explicit BootExecutableReader(const std::string& file_name);
   explicit BootExecutableReader(File::IOFile file);
-  explicit BootExecutableReader(const std::vector<u8>& buffer);
+  explicit BootExecutableReader(std::vector<u8> buffer);
   virtual ~BootExecutableReader();
 
   virtual u32 GetEntryPoint() const = 0;
diff --git a/Source/Core/Core/Boot/DolReader.cpp b/Source/Core/Core/Boot/DolReader.cpp
index ef1ece315b..1fd03fd9a1 100644
--- a/Source/Core/Core/Boot/DolReader.cpp
+++ b/Source/Core/Core/Boot/DolReader.cpp
@@ -10,13 +10,12 @@
 #include <vector>
 
 #include "Common/File.h"
-#include "Common/FileUtil.h"
 #include "Common/Swap.h"
 #include "Core/HW/Memmap.h"
 
-DolReader::DolReader(const std::vector<u8>& buffer) : BootExecutableReader(buffer)
+DolReader::DolReader(std::vector<u8> buffer) : BootExecutableReader(std::move(buffer))
 {
-  m_is_valid = Initialize(buffer);
+  m_is_valid = Initialize(m_bytes);
 }
 
 DolReader::DolReader(File::IOFile file) : BootExecutableReader(std::move(file))
diff --git a/Source/Core/Core/Boot/DolReader.h b/Source/Core/Core/Boot/DolReader.h
index e8a05f771c..336b839496 100644
--- a/Source/Core/Core/Boot/DolReader.h
+++ b/Source/Core/Core/Boot/DolReader.h
@@ -20,7 +20,7 @@ class DolReader final : public BootExecutableReader
 public:
   explicit DolReader(const std::string& filename);
   explicit DolReader(File::IOFile file);
-  explicit DolReader(const std::vector<u8>& buffer);
+  explicit DolReader(std::vector<u8> buffer);
   ~DolReader();
 
   bool IsValid() const override { return m_is_valid; }
diff --git a/Source/Core/Core/Boot/ElfReader.cpp b/Source/Core/Core/Boot/ElfReader.cpp
index 99faaa6fda..a57b569d02 100644
--- a/Source/Core/Core/Boot/ElfReader.cpp
+++ b/Source/Core/Core/Boot/ElfReader.cpp
@@ -8,7 +8,7 @@
 #include <utility>
 
 #include "Common/CommonTypes.h"
-#include "Common/FileUtil.h"
+#include "Common/File.h"
 #include "Common/Logging/Log.h"
 #include "Common/MsgHandler.h"
 #include "Common/Swap.h"
@@ -68,7 +68,7 @@ static void byteswapSection(Elf32_Shdr& sec)
   bswap(sec.sh_type);
 }
 
-ElfReader::ElfReader(const std::vector<u8>& buffer) : BootExecutableReader(buffer)
+ElfReader::ElfReader(std::vector<u8> buffer) : BootExecutableReader(std::move(buffer))
 {
   Initialize(m_bytes.data());
 }
diff --git a/Source/Core/Core/Boot/ElfReader.h b/Source/Core/Core/Boot/ElfReader.h
index 5d0cfc353a..c2d58173ba 100644
--- a/Source/Core/Core/Boot/ElfReader.h
+++ b/Source/Core/Core/Boot/ElfReader.h
@@ -28,7 +28,7 @@ class ElfReader final : public BootExecutableReader
 public:
   explicit ElfReader(const std::string& filename);
   explicit ElfReader(File::IOFile file);
-  explicit ElfReader(const std::vector<u8>& buffer);
+  explicit ElfReader(std::vector<u8> buffer);
   ~ElfReader();
   u32 Read32(int off) const { return base32[off >> 2]; }
   // Quick accessors