diff --git a/lib/sead b/lib/sead
index be07bdf3..09f3cdd5 160000
--- a/lib/sead
+++ b/lib/sead
@@ -1 +1 @@
-Subproject commit be07bdf3a2053cc22d353793d0875564180b1997
+Subproject commit 09f3cdd5c83e0bcf6e67eb983e3f992e17f44b39
diff --git a/src/KingSystem/ActorSystem/actASSetting.h b/src/KingSystem/ActorSystem/actASSetting.h
index 82d9873a..79731bd6 100644
--- a/src/KingSystem/ActorSystem/actASSetting.h
+++ b/src/KingSystem/ActorSystem/actASSetting.h
@@ -7,6 +7,7 @@ namespace ksys::act {
 // FIXME: very incomplete
 class ASSetting {
     SEAD_SINGLETON_DISPOSER(ASSetting)
+    ASSetting() = default;
 };
 
 }  // namespace ksys::act
diff --git a/src/KingSystem/ActorSystem/actActorFactory.h b/src/KingSystem/ActorSystem/actActorFactory.h
index 77729030..6fed82f4 100644
--- a/src/KingSystem/ActorSystem/actActorFactory.h
+++ b/src/KingSystem/ActorSystem/actActorFactory.h
@@ -16,6 +16,7 @@ public:
 
 class ActorFactoryHolder {
     SEAD_SINGLETON_DISPOSER(ActorFactoryHolder)
+    ActorFactoryHolder() = default;
     virtual ~ActorFactoryHolder();
 
 public:
diff --git a/src/KingSystem/ActorSystem/actActorTemplate.h b/src/KingSystem/ActorSystem/actActorTemplate.h
index dc2fbbe8..31cdf20b 100644
--- a/src/KingSystem/ActorSystem/actActorTemplate.h
+++ b/src/KingSystem/ActorSystem/actActorTemplate.h
@@ -11,6 +11,7 @@ namespace ksys::act {
 
 class ActorTemplate {
     SEAD_SINGLETON_DISPOSER(ActorTemplate)
+    ActorTemplate() = default;
     virtual ~ActorTemplate();
 
 public:
diff --git a/src/KingSystem/ActorSystem/actBaseProcLink.h b/src/KingSystem/ActorSystem/actBaseProcLink.h
index 4d42d642..5d997c29 100644
--- a/src/KingSystem/ActorSystem/actBaseProcLink.h
+++ b/src/KingSystem/ActorSystem/actBaseProcLink.h
@@ -87,6 +87,7 @@ KSYS_CHECK_SIZE_NX150(BaseProcLinkData, 0x58);
 
 class BaseProcLinkDataMgr {
     SEAD_SINGLETON_DISPOSER(BaseProcLinkDataMgr)
+    BaseProcLinkDataMgr() = default;
 
 public:
     bool acquireLink(BaseProc* proc);
diff --git a/src/KingSystem/ActorSystem/actDebug.h b/src/KingSystem/ActorSystem/actDebug.h
index 29495c25..8e7b10d8 100644
--- a/src/KingSystem/ActorSystem/actDebug.h
+++ b/src/KingSystem/ActorSystem/actDebug.h
@@ -8,6 +8,7 @@ namespace ksys::act {
 
 class ActorDebug {
     SEAD_SINGLETON_DISPOSER(ActorDebug)
+    ActorDebug();
     virtual ~ActorDebug();
 
 public:
diff --git a/src/KingSystem/Damage/dmgDamageInfoManager.h b/src/KingSystem/Damage/dmgDamageInfoManager.h
index e9c0a052..dc09e2bf 100644
--- a/src/KingSystem/Damage/dmgDamageInfoManager.h
+++ b/src/KingSystem/Damage/dmgDamageInfoManager.h
@@ -13,6 +13,8 @@ namespace ksys::dmg {
 class DamageInfoMgr {
 public:
     SEAD_SINGLETON_DISPOSER(DamageInfoMgr);
+    DamageInfoMgr();
+    virtual ~DamageInfoMgr();
 
 public:
     // FIXME: incomplete
@@ -22,7 +24,7 @@ public:
         sead::SafeArray<u8, 3> mCanTakeDamageFromType;
     };
 
-    u8 TEMP1[0x5F8];                         // Fields
+    u8 TEMP1[0x5F0];                         // Fields
     res::Handle* mReactionTable;             // 0x5D0
     sead::Buffer<DamageItem> mDamagesArray;  // 0x620
 };
diff --git a/src/KingSystem/Map/mapPlacementMgr.h b/src/KingSystem/Map/mapPlacementMgr.h
index adac1cc2..8a8f0220 100644
--- a/src/KingSystem/Map/mapPlacementMgr.h
+++ b/src/KingSystem/Map/mapPlacementMgr.h
@@ -103,12 +103,15 @@ KSYS_CHECK_SIZE_NX150(PlacementActors, 0x2A80D0);
 
 class PlacementMgr {
     SEAD_SINGLETON_DISPOSER(PlacementMgr)
+    PlacementMgr();
+    virtual ~PlacementMgr();
+
 public:
     enum class MgrFlag {
         _1000000 = 0x1000000,
     };
 
-    u8 TEMP1[0x1D0];
+    u8 TEMP1[0x1C8];
     PlacementActors* mPlacementActors;
     u8 TEMP2[0x48C];
     sead::TypedBitFlag<MgrFlag, sead::Atomic<u32>> mFlags;
diff --git a/src/KingSystem/Resource/resCurrentResNameMgr.h b/src/KingSystem/Resource/resCurrentResNameMgr.h
index ed63e01d..b46487b7 100644
--- a/src/KingSystem/Resource/resCurrentResNameMgr.h
+++ b/src/KingSystem/Resource/resCurrentResNameMgr.h
@@ -10,6 +10,8 @@ namespace ksys::res {
 /// Stubbed in release builds.
 class CurrentResNameMgr {
     SEAD_SINGLETON_DISPOSER(CurrentResNameMgr)
+    CurrentResNameMgr() = default;
+
 public:
     void init(sead::Heap* heap);
     sead::SafeString getCurrentResName() const;
diff --git a/src/KingSystem/Sound/sndResource.h b/src/KingSystem/Sound/sndResource.h
index c17e570a..31a502fa 100644
--- a/src/KingSystem/Sound/sndResource.h
+++ b/src/KingSystem/Sound/sndResource.h
@@ -8,6 +8,7 @@ namespace ksys::snd {
 // FIXME: incomplete
 class SoundResource {
     SEAD_SINGLETON_DISPOSER(SoundResource)
+    SoundResource() = default;
     virtual ~SoundResource();
 
 public:
diff --git a/src/KingSystem/System/KingEditor.h b/src/KingSystem/System/KingEditor.h
index 2b103d2f..ffd97660 100644
--- a/src/KingSystem/System/KingEditor.h
+++ b/src/KingSystem/System/KingEditor.h
@@ -16,6 +16,7 @@ public:
 // FIXME
 class KingEditor {
     SEAD_SINGLETON_DISPOSER(KingEditor)
+    KingEditor() = default;
 
 public:
     void registerComponent(KingEditorComponent* component);
diff --git a/src/KingSystem/System/PlayReportMgr.h b/src/KingSystem/System/PlayReportMgr.h
index 12c43940..bfcca3aa 100644
--- a/src/KingSystem/System/PlayReportMgr.h
+++ b/src/KingSystem/System/PlayReportMgr.h
@@ -19,6 +19,7 @@ class ProductReporter;
 
 class PlayReportMgr {
     SEAD_SINGLETON_DISPOSER(PlayReportMgr)
+    PlayReportMgr() = default;
     virtual ~PlayReportMgr();
 
 public:
diff --git a/src/KingSystem/Utils/HeapUtil.cpp b/src/KingSystem/Utils/HeapUtil.cpp
index 30118e44..5a8ae4b4 100644
--- a/src/KingSystem/Utils/HeapUtil.cpp
+++ b/src/KingSystem/Utils/HeapUtil.cpp
@@ -7,6 +7,8 @@ namespace ksys::util {
 // Name, layout and purpose unknown; this is stubbed in release builds
 class DebugHeapHolder {
     SEAD_SINGLETON_DISPOSER(DebugHeapHolder)
+    DebugHeapHolder() = default;
+
 public:
     virtual ~DebugHeapHolder() = default;
     virtual sead::Heap* getHeap() { return nullptr; }
@@ -17,6 +19,8 @@ SEAD_SINGLETON_DISPOSER_IMPL(DebugHeapHolder)
 // Name, layout and purpose unknown; this is stubbed in release builds
 class DebugHeapHolder2 {
     SEAD_SINGLETON_DISPOSER(DebugHeapHolder2)
+    DebugHeapHolder2() = default;
+
 public:
     virtual ~DebugHeapHolder2() = default;
     virtual sead::Heap* getHeap() { return nullptr; }