diff --git a/Source/Core/Core/Boot/Boot.h b/Source/Core/Core/Boot/Boot.h
index a178edaf75..1f52daa1c5 100644
--- a/Source/Core/Core/Boot/Boot.h
+++ b/Source/Core/Core/Boot/Boot.h
@@ -109,8 +109,8 @@ private:
 class BootExecutableReader
 {
 public:
-  BootExecutableReader(const std::string& file_name);
-  BootExecutableReader(const std::vector<u8>& buffer);
+  explicit BootExecutableReader(const std::string& file_name);
+  explicit BootExecutableReader(const std::vector<u8>& buffer);
   virtual ~BootExecutableReader();
 
   virtual u32 GetEntryPoint() const = 0;
diff --git a/Source/Core/Core/Boot/DolReader.h b/Source/Core/Core/Boot/DolReader.h
index 43b1c0f354..e2daa04733 100644
--- a/Source/Core/Core/Boot/DolReader.h
+++ b/Source/Core/Core/Boot/DolReader.h
@@ -13,8 +13,8 @@
 class DolReader final : public BootExecutableReader
 {
 public:
-  DolReader(const std::string& filename);
-  DolReader(const std::vector<u8>& buffer);
+  explicit DolReader(const std::string& filename);
+  explicit DolReader(const 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 4f9297b06d..78a77954ed 100644
--- a/Source/Core/Core/Boot/ElfReader.cpp
+++ b/Source/Core/Core/Boot/ElfReader.cpp
@@ -76,6 +76,8 @@ ElfReader::ElfReader(const std::string& filename) : BootExecutableReader(filenam
   Initialize(m_bytes.data());
 }
 
+ElfReader::~ElfReader() = default;
+
 void ElfReader::Initialize(u8* ptr)
 {
   base = (char*)ptr;
diff --git a/Source/Core/Core/Boot/ElfReader.h b/Source/Core/Core/Boot/ElfReader.h
index 014d0667c3..951f5a7b57 100644
--- a/Source/Core/Core/Boot/ElfReader.h
+++ b/Source/Core/Core/Boot/ElfReader.h
@@ -21,9 +21,9 @@ typedef int SectionID;
 class ElfReader final : public BootExecutableReader
 {
 public:
-  ElfReader(const std::string& filename);
-  ElfReader(const std::vector<u8>& buffer);
-  ~ElfReader() {}
+  explicit ElfReader(const std::string& filename);
+  explicit ElfReader(const std::vector<u8>& buffer);
+  ~ElfReader();
   u32 Read32(int off) const { return base32[off >> 2]; }
   // Quick accessors
   ElfType GetType() const { return (ElfType)(header->e_type); }