diff --git a/src/core/file_sys/archive_romfs.h b/src/core/file_sys/archive_romfs.h
index 5ef4fed50..e5664ba16 100644
--- a/src/core/file_sys/archive_romfs.h
+++ b/src/core/file_sys/archive_romfs.h
@@ -17,7 +17,7 @@
 namespace FileSys {
 
 /// File system interface to the RomFS archive
-class Archive_RomFS : public Archive {
+class Archive_RomFS final : public Archive {
 public:
     Archive_RomFS(const Loader::AppLoader& app_loader);
     ~Archive_RomFS();
diff --git a/src/core/loader/elf.h b/src/core/loader/elf.h
index d3cbf414d..cec1167ca 100644
--- a/src/core/loader/elf.h
+++ b/src/core/loader/elf.h
@@ -13,7 +13,7 @@
 namespace Loader {
 
 /// Loads an ELF/AXF file
-class AppLoader_ELF : public AppLoader {
+class AppLoader_ELF final : public AppLoader {
 public:
     AppLoader_ELF(const std::string& filename);
     ~AppLoader_ELF();
diff --git a/src/core/loader/ncch.h b/src/core/loader/ncch.h
index c9a35228e..de89280ea 100644
--- a/src/core/loader/ncch.h
+++ b/src/core/loader/ncch.h
@@ -145,7 +145,7 @@ struct ExHeader_Header{
 namespace Loader {
 
 /// Loads an NCCH file (e.g. from a CCI, or the first NCCH in a CXI)
-class AppLoader_NCCH : public AppLoader {
+class AppLoader_NCCH final : public AppLoader {
 public:
     AppLoader_NCCH(const std::string& filename);
     ~AppLoader_NCCH();