diff --git a/src/common/fs/file.cpp b/src/common/fs/file.cpp
index f35bbf4149..c7dec04a74 100644
--- a/src/common/fs/file.cpp
+++ b/src/common/fs/file.cpp
@@ -403,7 +403,11 @@ void IOFile::Open(const fs::path& path, FileAccessMode mode, FileType type, File
 }
 
 void IOFile::Close() {
+#if defined(__APPLE__)
+    // NO IMPLEMENTATION YET
+#else
     PlatformUnmap(*this);
+#endif
     if (file) {
         errno = 0;
         const auto close_result = std::fclose(file) == 0;
diff --git a/src/common/fs/file.h b/src/common/fs/file.h
index 1f46e96f0d..b8f3810277 100644
--- a/src/common/fs/file.h
+++ b/src/common/fs/file.h
@@ -322,7 +322,11 @@ public:
         static_assert(!std::is_pointer_v<T>, "T must not be a pointer to an object.");
         if (IsMappedFile()) {
             std::memcpy(&object, mmap_base + mmap_offset, sizeof(T));
+#ifdef _WIN32
+            return sizeof(T) != 0;
+#else
             return sizeof(T);
+#endif
         }
         return IsOpen() ? std::fread(&object, sizeof(T), 1, file) == 1 : false;
     }
@@ -348,7 +352,11 @@ public:
         static_assert(!std::is_pointer_v<T>, "T must not be a pointer to an object.");
         if (IsMappedFile()) {
             std::memcpy(mmap_base + mmap_offset, &object, sizeof(T));
+#ifdef _WIN32
+            return sizeof(T) != 0;
+#else
             return sizeof(T);
+#endif
         }
         return IsOpen() ? std::fwrite(&object, sizeof(T), 1, file) == 1 : false;
     }