diff --git a/src/Utils/Utils/FileAPI.cpp b/src/Utils/Utils/FileAPI.cpp
index 062ba0f2..44c8e506 100644
--- a/src/Utils/Utils/FileAPI.cpp
+++ b/src/Utils/Utils/FileAPI.cpp
@@ -77,12 +77,12 @@ FileAPI::File& FileAPI::File::operator=(File&& f) noexcept
     return *this;
 }
 
-bool FileAPI::File::IsOpen() const
+bool FileAPI::File::IsOpen()
 {
 	return this->m_handle != nullptr;
 }
 
-size_t FileAPI::File::Read(void* buffer, const size_t elementSize, const size_t elementCount) const
+size_t FileAPI::File::Read(void* buffer, const size_t elementSize, const size_t elementCount)
 {
 	if (!this->IsOpen())
 		return 0;
@@ -90,7 +90,7 @@ size_t FileAPI::File::Read(void* buffer, const size_t elementSize, const size_t
 	return fread(buffer, elementSize, elementCount, static_cast<FILE*>(m_handle));
 }
 
-size_t FileAPI::File::Write(const void* data, const size_t elementSize, const size_t elementCount) const
+size_t FileAPI::File::Write(const void* data, const size_t elementSize, const size_t elementCount)
 {
 	if (!this->IsOpen())
 		return 0;
@@ -98,7 +98,7 @@ size_t FileAPI::File::Write(const void* data, const size_t elementSize, const si
 	return fwrite(data, elementSize, elementCount, static_cast<FILE*>(m_handle));
 }
 
-void FileAPI::File::Skip(const size_t amount) const
+void FileAPI::File::Skip(const size_t amount)
 {
     if(!this->IsOpen())
         return;
@@ -106,7 +106,7 @@ void FileAPI::File::Skip(const size_t amount) const
     fseek(static_cast<FILE*>(m_handle), amount, SEEK_CUR);
 }
 
-size_t FileAPI::File::Printf(const char* fmt, ...) const
+size_t FileAPI::File::Printf(const char* fmt, ...)
 {
 	va_list ap;
 
@@ -120,12 +120,12 @@ size_t FileAPI::File::Printf(const char* fmt, ...) const
     return result;
 }
 
-int64_t FileAPI::File::Pos() const
+int64_t FileAPI::File::Pos()
 {
     return _ftelli64(static_cast<FILE*>(m_handle));
 }
 
-void FileAPI::File::Goto(const int64_t pos) const
+void FileAPI::File::Goto(const int64_t pos)
 {
     _fseeki64(static_cast<FILE*>(m_handle), pos, SEEK_SET);
 }
diff --git a/src/Utils/Utils/FileAPI.h b/src/Utils/Utils/FileAPI.h
index 14d9f784..121c2abb 100644
--- a/src/Utils/Utils/FileAPI.h
+++ b/src/Utils/Utils/FileAPI.h
@@ -12,7 +12,22 @@ public:
         MODE_WRITE = 1
     };
 
-	class File
+    class IFile
+    {
+    public:
+        virtual ~IFile() = default;
+
+        virtual bool IsOpen() = 0;
+        virtual size_t Read(void* buffer, size_t elementSize, size_t elementCount) = 0;
+        virtual size_t Write(const void* data, size_t elementSize, size_t elementCount) = 0;
+        virtual void Skip(size_t amount) = 0;
+        virtual size_t Printf(const char* fmt, ...) = 0;
+        virtual int64_t Pos() = 0;
+        virtual void Goto(int64_t pos) = 0;
+        virtual void Close() = 0;
+    };
+
+	class File final : public IFile
 	{
 		void* m_handle;
 
@@ -21,19 +36,19 @@ public:
         explicit File(void* handle);
         File(File&) = delete;
         File(File&& f) noexcept;
-		~File();
+		~File() override;
 
         File& operator=(File&) = delete;
         File& operator=(File&& f) noexcept;
 
-		bool IsOpen() const;
-		size_t Read(void* buffer, size_t elementSize, size_t elementCount) const;
-		size_t Write(const void* data, size_t elementSize, size_t elementCount) const;
-        void Skip(size_t amount) const;
-		size_t Printf(const char* fmt, ...) const;
-        int64_t Pos() const;
-        void Goto(int64_t pos) const;
-		void Close();
+		bool IsOpen() override;
+		size_t Read(void* buffer, size_t elementSize, size_t elementCount) override;
+		size_t Write(const void* data, size_t elementSize, size_t elementCount) override;
+        void Skip(size_t amount) override;
+		size_t Printf(const char* fmt, ...) override;
+        int64_t Pos() override;
+        void Goto(int64_t pos) override;
+		void Close() override;
 	};
 
 	static bool FileExists(const std::string& fileName);