diff --git a/Source/Core/DiscIO/VolumeGC.cpp b/Source/Core/DiscIO/VolumeGC.cpp
index b61d273388..78e2dd2f63 100644
--- a/Source/Core/DiscIO/VolumeGC.cpp
+++ b/Source/Core/DiscIO/VolumeGC.cpp
@@ -277,4 +277,6 @@ VolumeGC::ConvertedGCBanner VolumeGC::ExtractBannerInformation(const GCBanner& b
   return banner;
 }
 
+VolumeGC::ConvertedGCBanner::ConvertedGCBanner() = default;
+VolumeGC::ConvertedGCBanner::~ConvertedGCBanner() = default;
 }  // namespace
diff --git a/Source/Core/DiscIO/VolumeGC.h b/Source/Core/DiscIO/VolumeGC.h
index 3ba9fdb6fc..fc065a8d60 100644
--- a/Source/Core/DiscIO/VolumeGC.h
+++ b/Source/Core/DiscIO/VolumeGC.h
@@ -81,6 +81,9 @@ private:
 
   struct ConvertedGCBanner
   {
+    ConvertedGCBanner();
+    ~ConvertedGCBanner();
+
     std::map<Language, std::string> short_names;
     std::map<Language, std::string> long_names;
     std::map<Language, std::string> short_makers;