diff --git a/src/common/file_util.cpp b/src/common/file_util.cpp
index bdfa5de..f52dee2 100644
--- a/src/common/file_util.cpp
+++ b/src/common/file_util.cpp
@@ -821,20 +821,6 @@ IOFile::~IOFile() {
     Close();
 }
 
-IOFile::IOFile(IOFile&& other) {
-    Swap(other);
-}
-
-IOFile& IOFile::operator=(IOFile&& other) {
-    Swap(other);
-    return *this;
-}
-
-void IOFile::Swap(IOFile& other) {
-    std::swap(m_file, other.m_file);
-    std::swap(m_good, other.m_good);
-}
-
 bool IOFile::Open(const std::string& filename, const char openmode[], int flags) {
     Close();
 #ifdef _WIN32
@@ -861,6 +847,32 @@ bool IOFile::Close() {
     return m_good;
 }
 
+std::size_t IOFile::Read(char* data, std::size_t length) {
+    if (!IsOpen()) {
+        m_good = false;
+        return std::numeric_limits<std::size_t>::max();
+    }
+
+    std::size_t items_read = std::fread(data, 1, length, m_file);
+    if (items_read != length)
+        m_good = false;
+
+    return items_read;
+}
+
+std::size_t IOFile::Write(const char* data, std::size_t length) {
+    if (!IsOpen()) {
+        m_good = false;
+        return std::numeric_limits<std::size_t>::max();
+    }
+
+    std::size_t items_written = std::fwrite(data, 1, length, m_file);
+    if (items_written != length)
+        m_good = false;
+
+    return items_written;
+}
+
 u64 IOFile::GetSize() const {
     if (IsOpen())
         return FileUtil::GetSize(m_file);
diff --git a/src/common/file_util.h b/src/common/file_util.h
index 15d5cf2..3f5cb62 100644
--- a/src/common/file_util.h
+++ b/src/common/file_util.h
@@ -178,48 +178,21 @@ public:
     // isn't considered "locked" while citra is open and people can open the log file and view it
     IOFile(const std::string& filename, const char openmode[], int flags = 0);
 
-    ~IOFile();
-
-    IOFile(IOFile&& other);
-    IOFile& operator=(IOFile&& other);
-
-    void Swap(IOFile& other);
+    virtual ~IOFile();
 
     bool Open(const std::string& filename, const char openmode[], int flags = 0);
     bool Close();
 
     template <typename T>
     std::size_t ReadArray(T* data, std::size_t length) {
-        static_assert(std::is_trivially_copyable_v<T>,
-                      "Given array does not consist of trivially copyable objects");
-
-        if (!IsOpen()) {
-            m_good = false;
-            return std::numeric_limits<std::size_t>::max();
-        }
-
-        std::size_t items_read = std::fread(data, sizeof(T), length, m_file);
-        if (items_read != length)
-            m_good = false;
-
-        return items_read;
+        static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable");
+        return Read(reinterpret_cast<char*>(data), length * sizeof(T));
     }
 
     template <typename T>
     std::size_t WriteArray(const T* data, std::size_t length) {
-        static_assert(std::is_trivially_copyable_v<T>,
-                      "Given array does not consist of trivially copyable objects");
-
-        if (!IsOpen()) {
-            m_good = false;
-            return std::numeric_limits<std::size_t>::max();
-        }
-
-        std::size_t items_written = std::fwrite(data, sizeof(T), length, m_file);
-        if (items_written != length)
-            m_good = false;
-
-        return items_written;
+        static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable");
+        return Write(reinterpret_cast<const char*>(data), length * sizeof(T));
     }
 
     template <typename T>
@@ -244,6 +217,9 @@ public:
         return WriteArray(str.data(), str.length());
     }
 
+    virtual std::size_t Read(char* data, std::size_t length);
+    virtual std::size_t Write(const char* data, std::size_t length);
+
     bool IsOpen() const {
         return nullptr != m_file;
     }
@@ -256,7 +232,7 @@ public:
         return IsGood();
     }
 
-    bool Seek(s64 off, int origin);
+    virtual bool Seek(s64 off, int origin);
     u64 Tell() const;
     u64 GetSize() const;
     bool Resize(u64 size);
diff --git a/src/core/decryptor.cpp b/src/core/decryptor.cpp
index fc04c48..fe01631 100644
--- a/src/core/decryptor.cpp
+++ b/src/core/decryptor.cpp
@@ -98,18 +98,25 @@ std::vector<u8> SDMCDecryptor::DecryptFile(const std::string& source) const {
     return data;
 }
 
-SDMCFile::SDMCFile() = default;
+struct SDMCFile::Impl {
+    CryptoPP::CTR_Mode<CryptoPP::AES>::Decryption aes;
+    std::array<u8, 16> original_ctr;
+    std::array<u8, 16> key;
+};
 
 SDMCFile::SDMCFile(std::string root_folder, const std::string& filename, const char openmode[],
                    int flags) {
+
+    impl = std::make_unique<Impl>();
+
     if (root_folder.back() == '/' || root_folder.back() == '\\') {
         // Remove '/' or '\' character at the end as we will add them back when combining path
         root_folder.erase(root_folder.size() - 1);
     }
 
-    original_ctr = GetFileCTR(filename);
-    key = Key::GetNormalKey(Key::SDKey);
-    // aes.SetKeyWithIV(key.data(), key.size(), original_ctr.data());
+    impl->original_ctr = GetFileCTR(filename);
+    impl->key = Key::GetNormalKey(Key::SDKey);
+    impl->aes.SetKeyWithIV(impl->key.data(), impl->key.size(), impl->original_ctr.data());
 
     Open(root_folder + filename, openmode, flags);
 }
@@ -118,46 +125,26 @@ SDMCFile::~SDMCFile() {
     Close();
 }
 
-SDMCFile::SDMCFile(SDMCFile&& other) {
-    Swap(other);
+std::size_t SDMCFile::Read(char* data, std::size_t length) {
+    const std::size_t length_read = FileUtil::IOFile::Read(data, length);
+    DecryptData(reinterpret_cast<u8*>(data), length_read);
+    return length_read;
 }
 
-SDMCFile& SDMCFile::operator=(SDMCFile&& other) {
-    Swap(other);
-    return *this;
-}
-
-void SDMCFile::Swap(SDMCFile& other) {
-    file.Swap(other.file);
-    std::swap(original_ctr, other.original_ctr);
-    std::swap(key, other.key);
-}
-
-bool SDMCFile::Open(const std::string& filename, const char openmode[], int flags) {
-    return file.Open(filename, openmode, flags);
-}
-
-bool SDMCFile::Close() {
-    return file.Close();
-}
-
-u64 SDMCFile::GetSize() const {
-    return file.GetSize();
+std::size_t SDMCFile::Write(const char* data, std::size_t length) {
+    UNREACHABLE_MSG("Cannot write to a SDMCFile");
 }
 
 bool SDMCFile::Seek(s64 off, int origin) {
-    return file.Seek(off, origin);
-}
-
-u64 SDMCFile::Tell() const {
-    return file.Tell();
+    if (!FileUtil::IOFile::Seek(off, origin)) {
+        return false;
+    }
+    impl->aes.Seek(Tell());
+    return true;
 }
 
 void SDMCFile::DecryptData(u8* data, std::size_t size) {
-    CryptoPP::CTR_Mode<CryptoPP::AES>::Decryption aes;
-    aes.SetKeyWithIV(key.data(), key.size(), original_ctr.data());
-    aes.Seek(Tell() - size);
-    aes.ProcessData(data, data, size);
+    impl->aes.ProcessData(data, data, size);
 }
 
 } // namespace Core
diff --git a/src/core/decryptor.h b/src/core/decryptor.h
index 2a88b19..602c172 100644
--- a/src/core/decryptor.h
+++ b/src/core/decryptor.h
@@ -52,69 +52,26 @@ public:
 
 private:
     std::string root_folder;
-    QuickDecryptor<> quick_decryptor;
+    QuickDecryptor quick_decryptor;
 };
 
 /// Interface for reading an SDMC file like a normal IOFile. This is read-only.
-class SDMCFile : public NonCopyable {
+class SDMCFile : public FileUtil::IOFile {
 public:
-    SDMCFile();
-
     SDMCFile(std::string root_folder, const std::string& filename, const char openmode[],
              int flags = 0);
 
-    ~SDMCFile();
+    ~SDMCFile() override;
 
-    SDMCFile(SDMCFile&& other);
-    SDMCFile& operator=(SDMCFile&& other);
-
-    void Swap(SDMCFile& other);
-
-    bool Open(const std::string& filename, const char openmode[], int flags = 0);
-    bool Close();
-
-    template <typename T>
-    std::size_t ReadArray(T* data, std::size_t length) {
-        std::size_t items_read = file.ReadArray(data, length);
-
-        if (IsGood()) {
-            DecryptData(reinterpret_cast<u8*>(data), sizeof(T) * length);
-        }
-
-        return items_read;
-    }
-
-    template <typename T>
-    std::size_t ReadBytes(T* data, std::size_t length) {
-        static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable");
-        return ReadArray(reinterpret_cast<char*>(data), length);
-    }
-
-    bool IsOpen() const {
-        return file.IsOpen();
-    }
-
-    // m_good is set to false when a read, write or other function fails
-    bool IsGood() const {
-        return file.IsGood();
-    }
-    explicit operator bool() const {
-        return IsGood();
-    }
-
-    bool Seek(s64 off, int origin);
-    u64 Tell() const;
-    u64 GetSize() const;
-
-    void Clear();
+    std::size_t Read(char* data, std::size_t length) override;
+    std::size_t Write(const char* data, std::size_t length) override;
+    bool Seek(s64 off, int origin) override;
 
 private:
     void DecryptData(u8* data, std::size_t size);
 
-    FileUtil::IOFile file;
-    // CryptoPP::CTR_Mode<CryptoPP::AES>::Decryption aes;
-    std::array<u8, 16> original_ctr;
-    std::array<u8, 16> key;
+    struct Impl;
+    std::unique_ptr<Impl> impl;
 };
 
 } // namespace Core
diff --git a/src/core/importer.cpp b/src/core/importer.cpp
index f765251..173b525 100644
--- a/src/core/importer.cpp
+++ b/src/core/importer.cpp
@@ -137,7 +137,7 @@ bool SDMCImporter::ImportNandTitle(const ContentSpecifier& specifier,
 
     const auto base_path =
         config.system_titles_path.substr(0, config.system_titles_path.size() - 6);
-    QuickDecryptor<> quick_decryptor;
+    QuickDecryptor quick_decryptor;
     return ImportTitleGeneric(
         quick_decryptor, base_path, specifier,
         [&base_path, &quick_decryptor, &callback](const std::string& filepath) {
@@ -416,8 +416,7 @@ static bool LoadTMD(const std::string& sdmc_path, const std::string& path, SDMCD
 // English short title name, extdata id, encryption, seed, icon
 using TitleData = std::tuple<std::string, u64, EncryptionType, bool, std::vector<u16>>;
 
-template <typename File>
-TitleData LoadTitleData(NCCHContainer<File>& ncch) {
+TitleData LoadTitleData(NCCHContainer& ncch) {
     std::string codeset_name;
     ncch.ReadCodesetName(codeset_name);
 
@@ -478,7 +477,7 @@ bool SDMCImporter::DumpCXI(const ContentSpecifier& specifier, const std::string&
 
     const auto boot_content_path =
         fmt::format("{}{:08x}.app", content_path, tmd.GetBootContentID());
-    dump_cxi_ncch = std::make_unique<NCCHContainer<SDMCFile>>(
+    dump_cxi_ncch = std::make_unique<NCCHContainer>(
         std::make_shared<SDMCFile>(config.sdmc_path, boot_content_path, "rb"));
     return dump_cxi_ncch->DecryptToFile(destination, callback) == ResultStatus::Success;
 }
@@ -526,7 +525,7 @@ void SDMCImporter::ListTitle(std::vector<ContentSpecifier>& out) const {
 
                         const auto boot_content_path =
                             fmt::format("{}{:08x}.app", content_path, tmd.GetBootContentID());
-                        NCCHContainer<SDMCFile> ncch(
+                        NCCHContainer ncch(
                             std::make_shared<SDMCFile>(sdmc_path, boot_content_path, "rb"));
                         if (ncch.Load() != ResultStatus::Success) {
                             LOG_WARNING(Core, "Could not load NCCH {}", boot_content_path);
@@ -631,7 +630,7 @@ void SDMCImporter::ListNandTitle(std::vector<ContentSpecifier>& out) const {
 
                         const auto boot_content_path =
                             fmt::format("{}{:08x}.app", content_path, tmd.GetBootContentID());
-                        NCCHContainer<FileUtil::IOFile> ncch(
+                        NCCHContainer ncch(
                             std::make_shared<FileUtil::IOFile>(boot_content_path, "rb"));
                         if (ncch.Load() != ResultStatus::Success) {
                             LOG_WARNING(Core, "Could not load NCCH {}", boot_content_path);
diff --git a/src/core/importer.h b/src/core/importer.h
index 2c7cdc7..5900eda 100644
--- a/src/core/importer.h
+++ b/src/core/importer.h
@@ -87,8 +87,6 @@ struct Config {
 constexpr int CurrentDumperVersion = 1;
 
 class SDMCFile;
-
-template <typename File>
 class NCCHContainer;
 
 class SDMCImporter {
@@ -174,7 +172,7 @@ private:
     std::unique_ptr<SDMCDecryptor> decryptor;
 
     // The NCCH used to dump CXIs.
-    std::unique_ptr<NCCHContainer<SDMCFile>> dump_cxi_ncch;
+    std::unique_ptr<NCCHContainer> dump_cxi_ncch;
 };
 
 /**
diff --git a/src/core/ncch/ncch_container.cpp b/src/core/ncch/ncch_container.cpp
index 5d940be..7214174 100644
--- a/src/core/ncch/ncch_container.cpp
+++ b/src/core/ncch/ncch_container.cpp
@@ -29,11 +29,9 @@ constexpr u32 MakeMagic(char a, char b, char c, char d) {
 static const int kMaxSections = 8;   ///< Maximum number of sections (files) in an ExeFs
 static const int kBlockSize = 0x200; ///< Size of ExeFS blocks (in bytes)
 
-template <typename File>
-NCCHContainer<File>::NCCHContainer(std::shared_ptr<File> file_) : file(std::move(file_)) {}
+NCCHContainer::NCCHContainer(std::shared_ptr<FileUtil::IOFile> file_) : file(std::move(file_)) {}
 
-template <typename File>
-ResultStatus NCCHContainer<File>::OpenFile(std::shared_ptr<File> file_) {
+ResultStatus NCCHContainer::OpenFile(std::shared_ptr<FileUtil::IOFile> file_) {
     file = std::move(file_);
 
     if (!file->IsOpen()) {
@@ -45,8 +43,7 @@ ResultStatus NCCHContainer<File>::OpenFile(std::shared_ptr<File> file_) {
     return ResultStatus::Success;
 }
 
-template <typename File>
-ResultStatus NCCHContainer<File>::Load() {
+ResultStatus NCCHContainer::Load() {
     if (is_loaded)
         return ResultStatus::Success;
 
@@ -185,7 +182,7 @@ ResultStatus NCCHContainer<File>::Load() {
 
         // System archives and DLC don't have an extended header but have RomFS
         if (ncch_header.extended_header_size) {
-            auto read_exheader = [this](File& file) {
+            auto read_exheader = [this](FileUtil::IOFile& file) {
                 const std::size_t size = sizeof(exheader_header);
                 return file && file.ReadBytes(&exheader_header, size) == size;
             };
@@ -269,8 +266,7 @@ ResultStatus NCCHContainer<File>::Load() {
     return ResultStatus::Success;
 }
 
-template <typename File>
-ResultStatus NCCHContainer<File>::LoadSectionExeFS(const char* name, std::vector<u8>& buffer) {
+ResultStatus NCCHContainer::LoadSectionExeFS(const char* name, std::vector<u8>& buffer) {
     ResultStatus result = Load();
     if (result != ResultStatus::Success)
         return result;
@@ -307,8 +303,7 @@ ResultStatus NCCHContainer<File>::LoadSectionExeFS(const char* name, std::vector
     return ResultStatus::ErrorNotUsed;
 }
 
-template <typename File>
-ResultStatus NCCHContainer<File>::ReadProgramId(u64_le& program_id) {
+ResultStatus NCCHContainer::ReadProgramId(u64_le& program_id) {
     ResultStatus result = Load();
     if (result != ResultStatus::Success)
         return result;
@@ -320,8 +315,7 @@ ResultStatus NCCHContainer<File>::ReadProgramId(u64_le& program_id) {
     return ResultStatus::Success;
 }
 
-template <typename File>
-ResultStatus NCCHContainer<File>::ReadExtdataId(u64& extdata_id) {
+ResultStatus NCCHContainer::ReadExtdataId(u64& extdata_id) {
     ResultStatus result = Load();
     if (result != ResultStatus::Success)
         return result;
@@ -356,8 +350,7 @@ ResultStatus NCCHContainer<File>::ReadExtdataId(u64& extdata_id) {
     return ResultStatus::Success;
 }
 
-template <typename File>
-bool NCCHContainer<File>::HasExeFS() {
+bool NCCHContainer::HasExeFS() {
     ResultStatus result = Load();
     if (result != ResultStatus::Success)
         return false;
@@ -365,8 +358,7 @@ bool NCCHContainer<File>::HasExeFS() {
     return has_exefs;
 }
 
-template <typename File>
-bool NCCHContainer<File>::HasExHeader() {
+bool NCCHContainer::HasExHeader() {
     ResultStatus result = Load();
     if (result != ResultStatus::Success)
         return false;
@@ -374,8 +366,7 @@ bool NCCHContainer<File>::HasExHeader() {
     return has_exheader;
 }
 
-template <typename File>
-ResultStatus NCCHContainer<File>::ReadCodesetName(std::string& name) {
+ResultStatus NCCHContainer::ReadCodesetName(std::string& name) {
     ResultStatus result = Load();
     if (result != ResultStatus::Success)
         return result;
@@ -389,8 +380,7 @@ ResultStatus NCCHContainer<File>::ReadCodesetName(std::string& name) {
     return ResultStatus::Success;
 }
 
-template <typename File>
-ResultStatus NCCHContainer<File>::ReadEncryptionType(EncryptionType& encryption) {
+ResultStatus NCCHContainer::ReadEncryptionType(EncryptionType& encryption) {
     ResultStatus result = Load();
     if (result != ResultStatus::Success)
         return result;
@@ -425,8 +415,7 @@ ResultStatus NCCHContainer<File>::ReadEncryptionType(EncryptionType& encryption)
     return ResultStatus::Success;
 }
 
-template <typename File>
-ResultStatus NCCHContainer<File>::ReadSeedCrypto(bool& used) {
+ResultStatus NCCHContainer::ReadSeedCrypto(bool& used) {
     ResultStatus result = Load();
     if (result != ResultStatus::Success)
         return result;
@@ -438,9 +427,8 @@ ResultStatus NCCHContainer<File>::ReadSeedCrypto(bool& used) {
     return ResultStatus::Success;
 }
 
-template <typename File>
-ResultStatus NCCHContainer<File>::DecryptToFile(const std::string& destination,
-                                                const ProgressCallback& callback) {
+ResultStatus NCCHContainer::DecryptToFile(const std::string& destination,
+                                          const ProgressCallback& callback) {
     ResultStatus result = Load();
     if (result != ResultStatus::Success)
         return result;
@@ -565,15 +553,11 @@ ResultStatus NCCHContainer<File>::DecryptToFile(const std::string& destination,
     return ResultStatus::Success;
 }
 
-template <typename File>
-void NCCHContainer<File>::AbortDecryptToFile() {
+void NCCHContainer::AbortDecryptToFile() {
     aborted = true;
     decryptor.Abort();
 }
 
-template class NCCHContainer<SDMCFile>;
-template class NCCHContainer<FileUtil::IOFile>;
-
 #pragma pack(push, 1)
 struct RomFSIVFCHeader {
     u32_le magic;
diff --git a/src/core/ncch/ncch_container.h b/src/core/ncch/ncch_container.h
index fb668d9..653afd8 100644
--- a/src/core/ncch/ncch_container.h
+++ b/src/core/ncch/ncch_container.h
@@ -204,13 +204,12 @@ enum class EncryptionType;
  * Note that this is heavily stripped down and can only read (primary-key
  * encrypted non-code sections of) ExeFS and ExHeader by design.
  */
-template <typename File = SDMCFile>
 class NCCHContainer {
 public:
-    NCCHContainer(std::shared_ptr<File> file);
+    NCCHContainer(std::shared_ptr<FileUtil::IOFile> file);
     NCCHContainer() {}
 
-    ResultStatus OpenFile(std::shared_ptr<File> file);
+    ResultStatus OpenFile(std::shared_ptr<FileUtil::IOFile> file);
 
     /**
      * Ensure ExeFS and exheader is loaded and ready for reading sections
@@ -304,11 +303,11 @@ private:
 
     std::string root_folder;
     std::string filepath;
-    std::shared_ptr<File> file;
-    std::shared_ptr<File> exefs_file;
+    std::shared_ptr<FileUtil::IOFile> file;
+    std::shared_ptr<FileUtil::IOFile> exefs_file;
 
     // Used for DecryptToFile
-    QuickDecryptor<File, FileUtil::IOFile> decryptor;
+    QuickDecryptor decryptor;
     std::atomic_bool aborted{false};
 };
 
diff --git a/src/core/quick_decryptor.cpp b/src/core/quick_decryptor.cpp
index efe42a3..758b015 100644
--- a/src/core/quick_decryptor.cpp
+++ b/src/core/quick_decryptor.cpp
@@ -16,18 +16,16 @@
 
 namespace Core {
 
-template <typename In, typename Out>
-QuickDecryptor<In, Out>::QuickDecryptor() = default;
+QuickDecryptor::QuickDecryptor() = default;
 
-template <typename In, typename Out>
-QuickDecryptor<In, Out>::~QuickDecryptor() = default;
+QuickDecryptor::~QuickDecryptor() = default;
 
-template <typename In, typename Out>
-bool QuickDecryptor<In, Out>::DecryptAndWriteFile(std::shared_ptr<In> source_, std::size_t size,
-                                                  std::shared_ptr<Out> destination_,
-                                                  const ProgressCallback& callback_, bool decrypt_,
-                                                  Core::Key::AESKey key_, Core::Key::AESKey ctr_,
-                                                  std::size_t aes_seek_pos_) {
+bool QuickDecryptor::DecryptAndWriteFile(std::shared_ptr<FileUtil::IOFile> source_,
+                                         std::size_t size,
+                                         std::shared_ptr<FileUtil::IOFile> destination_,
+                                         const ProgressCallback& callback_, bool decrypt_,
+                                         Core::Key::AESKey key_, Core::Key::AESKey ctr_,
+                                         std::size_t aes_seek_pos_) {
     if (is_running) {
         LOG_ERROR(Core, "Decryptor is running");
         return false;
@@ -84,8 +82,7 @@ bool QuickDecryptor<In, Out>::DecryptAndWriteFile(std::shared_ptr<In> source_, s
     return ret;
 }
 
-template <typename In, typename Out>
-void QuickDecryptor<In, Out>::DataReadLoop() {
+void QuickDecryptor::DataReadLoop() {
     std::size_t current_buffer = 0;
     bool is_first_run = true;
 
@@ -119,8 +116,7 @@ void QuickDecryptor<In, Out>::DataReadLoop() {
     }
 }
 
-template <typename In, typename Out>
-void QuickDecryptor<In, Out>::DataDecryptLoop() {
+void QuickDecryptor::DataDecryptLoop() {
     CryptoPP::CTR_Mode<CryptoPP::AES>::Decryption aes;
     aes.SetKeyWithIV(key.data(), key.size(), ctr.data());
     aes.Seek(aes_seek_pos);
@@ -142,8 +138,7 @@ void QuickDecryptor<In, Out>::DataDecryptLoop() {
     }
 }
 
-template <typename In, typename Out>
-void QuickDecryptor<In, Out>::DataWriteLoop() {
+void QuickDecryptor::DataWriteLoop() {
     std::size_t current_buffer = 0;
 
     if (!*destination) {
@@ -187,21 +182,16 @@ void QuickDecryptor<In, Out>::DataWriteLoop() {
     completion_event.Set();
 }
 
-template <typename In, typename Out>
-void QuickDecryptor<In, Out>::Abort() {
+void QuickDecryptor::Abort() {
     if (is_running.exchange(false)) {
         is_good = false;
         completion_event.Set();
     }
 }
 
-template <typename In, typename Out>
-void QuickDecryptor<In, Out>::Reset(std::size_t total_size_) {
+void QuickDecryptor::Reset(std::size_t total_size_) {
     total_size = total_size_;
     imported_size = 0;
 }
 
-template class QuickDecryptor<FileUtil::IOFile, FileUtil::IOFile>;
-template class QuickDecryptor<SDMCFile, FileUtil::IOFile>;
-
 } // namespace Core
diff --git a/src/core/quick_decryptor.h b/src/core/quick_decryptor.h
index 16dc7bb..c407db2 100644
--- a/src/core/quick_decryptor.h
+++ b/src/core/quick_decryptor.h
@@ -20,10 +20,7 @@ using ProgressCallback = std::function<void(std::size_t, std::size_t)>;
 /**
  * Helper that reads, decrypts and writes data. This uses three threads to process the data
  * and call progress callbacks occasionally.
- *
- * While this is a template, it really should only be used with IOFile and SDMCFile.
  */
-template <typename In = FileUtil::IOFile, typename Out = FileUtil::IOFile>
 class QuickDecryptor {
 public:
     /**
@@ -45,8 +42,8 @@ public:
      * @param ctr AES CTR for decryption
      * @param aes_seek_pos The position to seek to for decryption.
      */
-    bool DecryptAndWriteFile(std::shared_ptr<In> source, std::size_t size,
-                             std::shared_ptr<Out> destination,
+    bool DecryptAndWriteFile(std::shared_ptr<FileUtil::IOFile> source, std::size_t size,
+                             std::shared_ptr<FileUtil::IOFile> destination,
                              const ProgressCallback& callback = [](std::size_t, std::size_t) {},
                              bool decrypt = false, Core::Key::AESKey key = {},
                              Core::Key::AESKey ctr = {}, std::size_t aes_seek_pos = 0);
@@ -63,8 +60,8 @@ public:
 private:
     static constexpr std::size_t BufferSize = 16 * 1024; // 16 KB
 
-    std::shared_ptr<In> source;
-    std::shared_ptr<Out> destination;
+    std::shared_ptr<FileUtil::IOFile> source;
+    std::shared_ptr<FileUtil::IOFile> destination;
     bool decrypt{};
     Core::Key::AESKey key;
     Core::Key::AESKey ctr;
diff --git a/src/frontend/import_dialog.h b/src/frontend/import_dialog.h
index d895a01..cdcfcdc 100644
--- a/src/frontend/import_dialog.h
+++ b/src/frontend/import_dialog.h
@@ -42,8 +42,8 @@ private:
     Core::ContentSpecifier SpecifierFromItem(QTreeWidgetItem* item) const;
     void OnContextMenu(const QPoint& point);
     void StartDumpingCXI(const Core::ContentSpecifier& content);
-    Core::NCCHContainer<Core::SDMCFile> dump_cxi_container; // NCCH container used for dumping CXI
-    QString last_dump_cxi_path; // Used for recording last path in StartDumpingCXI
+    Core::NCCHContainer dump_cxi_container; // NCCH container used for dumping CXI
+    QString last_dump_cxi_path;             // Used for recording last path in StartDumpingCXI
 
     std::unique_ptr<Ui::ImportDialog> ui;