diff --git a/Source/Resource/GifResource.cpp b/Source/Resource/GifResource.cpp
index 042d8d8f..85e45680 100644
--- a/Source/Resource/GifResource.cpp
+++ b/Source/Resource/GifResource.cpp
@@ -52,6 +52,15 @@ namespace {
   }
 }
 
+// INLINED
+CBitmapRes::CBitmapRes() {
+}
+
+// OFFSET: 0x0074A250
+// FUNCTION: fn_07862
+CGifRes::CGifRes() : loopCount(0), unknown_0132(0), currentFrame(0), lastFrameTime(0), animated(false), frameChanged(false) {
+}
+
 // INLINED
 CGifRes::CGifRes(BitmapResourceContext& context)
     : CBitmapRes(context), loopCount(0), unknown_0132(0), currentFrame(0), lastFrameTime(0), animated(false), frameChanged(false) {
diff --git a/Source/Resource/GifResource.h b/Source/Resource/GifResource.h
index 58500266..b8174bb1 100644
--- a/Source/Resource/GifResource.h
+++ b/Source/Resource/GifResource.h
@@ -12,6 +12,7 @@ class CGifRes : public CBitmapRes {
 public:
   using Frame = std::pair<std::uint16_t, std::uint32_t*>;
 
+  CGifRes();
   explicit CGifRes(BitmapResourceContext& context);
   ~CGifRes() override;
   void Slot02() override;
diff --git a/Source/Resource/Models/AnimatedModelResource.cpp b/Source/Resource/Models/AnimatedModelResource.cpp
index c1f1ebb3..1266fc14 100644
--- a/Source/Resource/Models/AnimatedModelResource.cpp
+++ b/Source/Resource/Models/AnimatedModelResource.cpp
@@ -241,6 +241,18 @@ GrannyAnimationLibrary::~GrannyAnimationLibrary() {
   }
 }
 
+// OFFSET: 0x00755340
+// FUNCTION: fn_07981
+C3dGrannyModelRes::C3dGrannyModelRes() {
+  this->position[0] = 0.0f;
+  this->position[1] = 0.0f;
+  this->position[2] = 0.0f;
+  this->instance = nullptr;
+  this->model = nullptr;
+  this->job = 0;
+  this->unknown_03B0 = 0;
+}
+
 // INLINED
 C3dGrannyModelRes::C3dGrannyModelRes(ModelResourceContext& context) : m_context(&context) {
   this->position[0] = 0.0f;
diff --git a/Source/Resource/Models/GrannyModelResource.h b/Source/Resource/Models/GrannyModelResource.h
index eb4d80ab..dd815b05 100644
--- a/Source/Resource/Models/GrannyModelResource.h
+++ b/Source/Resource/Models/GrannyModelResource.h
@@ -220,6 +220,7 @@ struct GrannyHairPivot {
 
 class C3dGrannyModelRes : public CRes {
 public:
+  C3dGrannyModelRes();
   explicit C3dGrannyModelRes(ModelResourceContext& context);
   C3dGrannyModelRes* Create() override;
   bool Load(const char* name) override;
diff --git a/Source/UI/Items/UISwapEquipmentWnd.cpp b/Source/UI/Items/UISwapEquipmentWnd.cpp
index 85dd3998..6c4da209 100644
--- a/Source/UI/Items/UISwapEquipmentWnd.cpp
+++ b/Source/UI/Items/UISwapEquipmentWnd.cpp
@@ -29,6 +29,14 @@
 // GLOBAL: gl_24874
 unsigned long g_swapEquipmentTick;
 
+// OFFSET: 0x0082F560
+// FUNCTION: fn_10387
+UISwapEquipmentWnd::UISwapEquipmentWnd(UIWindowContext& windows, UIFrameContext& frames)
+    : UIFrameWnd(windows, frames, 0), m_swapButton(nullptr), unknown_00BC(0), unknown_00C0(timeGetTime()), unknown_00D4(-1), unknown_00D8(-1),
+      unknown_00DC(-1) {
+  this->geometry.unknown_0030 = 0;
+}
+
 // OFFSET: 0x0082F990
 // FUNCTION: fn_10390
 void UISwapEquipmentWnd::Slot10(int x, int y, std::intptr_t value) {
diff --git a/Source/UI/Items/UISwapEquipmentWnd.h b/Source/UI/Items/UISwapEquipmentWnd.h
index 5d51f1fa..efbc7f39 100644
--- a/Source/UI/Items/UISwapEquipmentWnd.h
+++ b/Source/UI/Items/UISwapEquipmentWnd.h
@@ -21,6 +21,7 @@ public:
 
 class UISwapEquipmentWnd : public UIFrameWnd {
 public:
+  UISwapEquipmentWnd(UIWindowContext& windows, UIFrameContext& frames);
   void Slot10(int x, int y, std::intptr_t value) override;
   void Slot15(int width, int height) override;
   void Slot26(int x, int y) override;
diff --git a/Source/UI/Quest/UIRenewQuestWnd.cpp b/Source/UI/Quest/UIRenewQuestWnd.cpp
index f944518d..1f9bf961 100644
--- a/Source/UI/Quest/UIRenewQuestWnd.cpp
+++ b/Source/UI/Quest/UIRenewQuestWnd.cpp
@@ -46,6 +46,13 @@ struct PACKET_CZ_ACTIVE_QUEST {
 // GLOBAL: gl_25172
 bool g_renewQuestTitlesPending = true;
 
+// OFFSET: 0x007F9070
+// FUNCTION: fn_09931
+UINpcSprWnd::UINpcSprWnd(UIWindowContext& context)
+    : UIWindow(context, 0), m_mapName(), m_action(nullptr), m_sprite(nullptr), m_destinationX(0), m_destinationY(0) {
+  this->m_mapName.clear();
+}
+
 // OFFSET: 0x007F9240
 // FUNCTION: fn_09933
 void UINpcSprWnd::SetSprite(int width, int height, std::string name) {
diff --git a/Source/UI/Quest/UIRenewQuestWnd.h b/Source/UI/Quest/UIRenewQuestWnd.h
index 75df2254..98e98fa7 100644
--- a/Source/UI/Quest/UIRenewQuestWnd.h
+++ b/Source/UI/Quest/UIRenewQuestWnd.h
@@ -21,10 +21,7 @@ struct UIButtonContext;
 
 class UINpcSprWnd : public UIWindow {
 public:
-  __declspec(noinline) explicit UINpcSprWnd(UIWindowContext& context)
-      : UIWindow(context, 0), m_mapName(), m_action(nullptr), m_sprite(nullptr), m_destinationX(0), m_destinationY(0) {
-    this->m_mapName.clear();
-  }
+  __declspec(noinline) explicit UINpcSprWnd(UIWindowContext& context);
   // INLINED
   ~UINpcSprWnd() override {
     this->m_mapName.clear();
diff --git a/Source/UI/UIStaticItem.cpp b/Source/UI/UIStaticItem.cpp
index 8b901ae1..cb86c41a 100644
--- a/Source/UI/UIStaticItem.cpp
+++ b/Source/UI/UIStaticItem.cpp
@@ -5,3 +5,8 @@
 UIStaticItem::UIStaticItem(UIWindowContext& windows, ItemDescriptions& descriptions, UIButtonContext& controls, WindowManagerWindows& windowList)
     : UIWindow(windows, 0), m_item(), m_descriptions(&descriptions), m_controls(&controls), m_windows(&windowList) {
 }
+
+// OFFSET: 0x00871A00
+// FUNCTION: fn_11109
+UIStaticItem::~UIStaticItem() {
+}
diff --git a/Source/UI/UIStaticItem.h b/Source/UI/UIStaticItem.h
index 1d28a800..da7d76db 100644
--- a/Source/UI/UIStaticItem.h
+++ b/Source/UI/UIStaticItem.h
@@ -11,6 +11,7 @@ class WindowManagerWindows;
 class UIStaticItem : public UIWindow {
 public:
   UIStaticItem(UIWindowContext& windows, ItemDescriptions& descriptions, UIButtonContext& controls, WindowManagerWindows& windowList);
+  ~UIStaticItem() override;
   void Paint() override;
   void Slot28(int x, int y) override;
   void Slot32(int x, int y) override;