diff --git a/src/core/file_sys/layered_fs.cpp b/src/core/file_sys/layered_fs.cpp
index 9a194569ae..80719d3fa6 100644
--- a/src/core/file_sys/layered_fs.cpp
+++ b/src/core/file_sys/layered_fs.cpp
@@ -515,12 +515,13 @@ std::size_t LayeredFS::ReadFile(std::size_t offset, std::size_t length, u8* buff
         const auto relative_offset = offset - current->first;
         std::size_t to_read{};
         if (current->second->relocation.size > relative_offset) {
-            to_read =
-                std::min(current->second->relocation.size - relative_offset, length - read_size);
+            to_read = std::min<std::size_t>(current->second->relocation.size - relative_offset,
+                                            length - read_size);
         }
         const auto alignment =
-            std::min(Common::AlignUp(current->second->relocation.size, 16) - relative_offset,
-                     length - read_size) -
+            std::min<std::size_t>(Common::AlignUp(current->second->relocation.size, 16) -
+                                      relative_offset,
+                                  length - read_size) -
             to_read;
 
         // Read the file in different ways depending on relocation type
diff --git a/src/core/file_sys/layered_fs.h b/src/core/file_sys/layered_fs.h
index b9dcb831f4..4f8844d988 100644
--- a/src/core/file_sys/layered_fs.h
+++ b/src/core/file_sys/layered_fs.h
@@ -42,7 +42,7 @@ class LayeredFS : public RomFSReader {
 public:
     explicit LayeredFS(std::shared_ptr<RomFSReader> romfs, std::string patch_path,
                        std::string patch_ext_path);
-    ~LayeredFS();
+    ~LayeredFS() override;
 
     std::size_t GetSize() const override;
     std::size_t ReadFile(std::size_t offset, std::size_t length, u8* buffer) override;
diff --git a/src/core/file_sys/romfs_reader.h b/src/core/file_sys/romfs_reader.h
index 5ee39015bb..df0318c99a 100644
--- a/src/core/file_sys/romfs_reader.h
+++ b/src/core/file_sys/romfs_reader.h
@@ -11,6 +11,8 @@ namespace FileSys {
  */
 class RomFSReader {
 public:
+    virtual ~RomFSReader() = default;
+
     virtual std::size_t GetSize() const = 0;
     virtual std::size_t ReadFile(std::size_t offset, std::size_t length, u8* buffer) = 0;
 };
@@ -30,6 +32,8 @@ public:
         : is_encrypted(true), file(std::move(file)), key(key), ctr(ctr), file_offset(file_offset),
           crypto_offset(crypto_offset), data_size(data_size) {}
 
+    ~DirectRomFSReader() override = default;
+
     std::size_t GetSize() const override {
         return data_size;
     }