diff --git a/src/core/hle/service/http_c.h b/src/core/hle/service/http_c.h
index d94b47a45..490e06648 100644
--- a/src/core/hle/service/http_c.h
+++ b/src/core/hle/service/http_c.h
@@ -6,6 +6,7 @@
 
 #include <future>
 #include <memory>
+#include <optional>
 #include <string>
 #include <unordered_map>
 #include <vector>
@@ -215,24 +216,6 @@ public:
 #ifdef ENABLE_WEB_SERVICE
     httplib::Response response;
 #endif
-
-private:
-    template <class Archive>
-    void serialize(Archive& ar, const unsigned int) {
-        ar& handle;
-        ar& session_id;
-        ar& url;
-        ar& method;
-        ar& state;
-        ar& proxy;
-        ar& basic_auth;
-        ar& ssl_config;
-        ar& socket_buffer_size;
-        ar& headers;
-        ar& post_data;
-    }
-    friend class boost::serialization::access;
-
 };
 
 struct SessionData : public Kernel::SessionRequestHandler::SessionDataBase {
@@ -453,10 +436,18 @@ private:
 private:
     template <class Archive>
     void serialize(Archive& ar, const unsigned int) {
+        // NOTE: Serialization of the HTTP service is on a 'best effort' basis.
+        // There is a very good chance that saving/loading during a network connection will break,
+        // regardless!
         ar& boost::serialization::base_object<Kernel::SessionRequestHandler>(*this);
         ar& ClCertA.certificate;
         ar& ClCertA.private_key;
         ar& ClCertA.init;
+        ar& context_counter;
+        ar& client_certs_counter;
+        ar& client_certs;
+        // NOTE: `contexts` is not serialized because it contains non-serializable data. (i.e.
+        // handles to ongoing HTTP requests.) Serializing across HTTP contexts will break.
     }
     friend class boost::serialization::access;
 };
diff --git a/src/core/hle/service/mic_u.cpp b/src/core/hle/service/mic_u.cpp
index bd324ada2..08ef5473f 100644
--- a/src/core/hle/service/mic_u.cpp
+++ b/src/core/hle/service/mic_u.cpp
@@ -110,6 +110,7 @@ struct State {
 private:
     template <class Archive>
     void serialize(Archive& ar, const unsigned int) {
+        ar& memory_ref;
         ar& sharedmem_size;
         ar& size;
         ar& offset;
@@ -139,6 +140,7 @@ struct MIC_U::Impl {
 
         if (shared_memory) {
             shared_memory->SetName("MIC_U:shared_memory");
+            state.memory_ref = shared_memory;
             state.sharedmem_buffer = shared_memory->GetPointer();
             state.sharedmem_size = size;
         }
diff --git a/src/video_core/primitive_assembly.h b/src/video_core/primitive_assembly.h
index d6547dddd..404bc5316 100644
--- a/src/video_core/primitive_assembly.h
+++ b/src/video_core/primitive_assembly.h
@@ -5,10 +5,8 @@
 #pragma once
 
 #include <functional>
+#include <boost/serialization/access.hpp>
 #include "video_core/regs_pipeline.h"
-namespace boost::serialization {
-class access;
-}
 
 namespace Pica {