diff --git a/Runtime/Camera/CCameraShakeData.cpp b/Runtime/Camera/CCameraShakeData.cpp
index ab926ad7f..490b3c9de 100644
--- a/Runtime/Camera/CCameraShakeData.cpp
+++ b/Runtime/Camera/CCameraShakeData.cpp
@@ -122,7 +122,7 @@ CCameraShakeData CCameraShakeData::LoadCameraShakeData(CInputStream& in) {
   return {duration, 100.f, 0, zeus::skZero3f, shakerX, shakerY, shakerZ};
 }
 
-constexpr CCameraShakeData CCameraShakeData::skChargedShotCameraShakeData{
+const CCameraShakeData CCameraShakeData::skChargedShotCameraShakeData{
     0.3f,
     100.f,
     0,
diff --git a/Runtime/Collision/CMaterialFilter.cpp b/Runtime/Collision/CMaterialFilter.cpp
index 7a37f3bed..ddd9b9dfa 100644
--- a/Runtime/Collision/CMaterialFilter.cpp
+++ b/Runtime/Collision/CMaterialFilter.cpp
@@ -1,5 +1,5 @@
 #include "Runtime/Collision/CMaterialFilter.hpp"
 
 namespace urde {
-constexpr CMaterialFilter CMaterialFilter::skPassEverything({0x00000000FFFFFFFF}, {0}, EFilterType::Always);
+const CMaterialFilter CMaterialFilter::skPassEverything({0x00000000FFFFFFFF}, {0}, EFilterType::Always);
 } // namespace urde
diff --git a/Runtime/Graphics/CGraphics.cpp b/Runtime/Graphics/CGraphics.cpp
index 21202380a..48171d31c 100644
--- a/Runtime/Graphics/CGraphics.cpp
+++ b/Runtime/Graphics/CGraphics.cpp
@@ -35,7 +35,7 @@ SViewport g_Viewport = {
 };
 u32 CGraphics::g_FrameCounter = 0;
 
-constexpr std::array<zeus::CMatrix3f, 6> CGraphics::skCubeBasisMats{{
+const std::array<zeus::CMatrix3f, 6> CGraphics::skCubeBasisMats{{
     /* Right */
     {0.f, 1.f, 0.f, 1.f, 0.f, 0.f, 0.f, 0.f, -1.f},
     /* Left */
diff --git a/Runtime/Graphics/Shaders/CColoredQuadFilter.cpp b/Runtime/Graphics/Shaders/CColoredQuadFilter.cpp
index 062f89cd7..d44caf6f5 100644
--- a/Runtime/Graphics/Shaders/CColoredQuadFilter.cpp
+++ b/Runtime/Graphics/Shaders/CColoredQuadFilter.cpp
@@ -113,6 +113,4 @@ void CWideScreenFilter::SetViewportToFull() {
   CGraphics::g_BooMainCommandQueue->setViewport(rect);
 }
 
-constexpr zeus::CRectangle CColoredQuadFilter::DefaultRect{0.f, 0.f, 1.f, 1.f};
-
 } // namespace urde
diff --git a/Runtime/Graphics/Shaders/CColoredQuadFilter.hpp b/Runtime/Graphics/Shaders/CColoredQuadFilter.hpp
index fe42325d4..817e798e3 100644
--- a/Runtime/Graphics/Shaders/CColoredQuadFilter.hpp
+++ b/Runtime/Graphics/Shaders/CColoredQuadFilter.hpp
@@ -27,7 +27,8 @@ class CColoredQuadFilter {
 public:
   static void Initialize();
   static void Shutdown();
-  static const zeus::CRectangle DefaultRect;
+  static constexpr zeus::CRectangle DefaultRect{0.f, 0.f, 1.f, 1.f};
+
   explicit CColoredQuadFilter(EFilterType type);
   explicit CColoredQuadFilter(EFilterType type, const TLockedToken<CTexture>&) : CColoredQuadFilter(type) {}
   void draw(const zeus::CColor& color, const zeus::CRectangle& rect = DefaultRect);
diff --git a/Runtime/Graphics/Shaders/CTexturedQuadFilter.cpp b/Runtime/Graphics/Shaders/CTexturedQuadFilter.cpp
index bcad25682..672893edf 100644
--- a/Runtime/Graphics/Shaders/CTexturedQuadFilter.cpp
+++ b/Runtime/Graphics/Shaders/CTexturedQuadFilter.cpp
@@ -322,8 +322,6 @@ void CTexturedQuadFilter::DrawFilter(EFilterShape shape, const zeus::CColor& col
   }
 }
 
-constexpr zeus::CRectangle CTexturedQuadFilter::DefaultRect{0.f, 0.f, 1.f, 1.f};
-
 CTexturedQuadFilterAlpha::CTexturedQuadFilterAlpha(EFilterType type, const boo::ObjToken<boo::ITexture>& tex)
 : CTexturedQuadFilter(tex) {
   CGraphics::CommitResources([&](boo::IGraphicsDataFactory::Context& ctx) {
diff --git a/Runtime/Graphics/Shaders/CTexturedQuadFilter.hpp b/Runtime/Graphics/Shaders/CTexturedQuadFilter.hpp
index 00d7569d6..27c1205f8 100644
--- a/Runtime/Graphics/Shaders/CTexturedQuadFilter.hpp
+++ b/Runtime/Graphics/Shaders/CTexturedQuadFilter.hpp
@@ -44,7 +44,7 @@ public:
   };
   static void Initialize();
   static void Shutdown();
-  static const zeus::CRectangle DefaultRect;
+  static constexpr zeus::CRectangle DefaultRect{0.f, 0.f, 1.f, 1.f};
   explicit CTexturedQuadFilter(EFilterType type, TLockedToken<CTexture> tex, ZTest zTest = ZTest::None);
   explicit CTexturedQuadFilter(EFilterType type, const boo::ObjToken<boo::ITexture>& tex, ZTest zTest = ZTest::None);
   CTexturedQuadFilter(const CTexturedQuadFilter&) = delete;
diff --git a/Runtime/World/CDamageVulnerability.cpp b/Runtime/World/CDamageVulnerability.cpp
index e70954221..a5f64db54 100644
--- a/Runtime/World/CDamageVulnerability.cpp
+++ b/Runtime/World/CDamageVulnerability.cpp
@@ -2,7 +2,7 @@
 
 namespace urde {
 
-constexpr CDamageVulnerability CDamageVulnerability::sNormalVulnerability(
+const CDamageVulnerability CDamageVulnerability::sNormalVulnerability(
     EVulnerability::Normal, EVulnerability::Normal, EVulnerability::Normal, EVulnerability::Normal,
     EVulnerability::Normal, EVulnerability::Normal, EVulnerability::Normal, EVulnerability::Normal,
     EVulnerability::Normal, EVulnerability::Normal, EVulnerability::Normal, EVulnerability::Normal,
@@ -10,7 +10,7 @@ constexpr CDamageVulnerability CDamageVulnerability::sNormalVulnerability(
     EVulnerability::Normal, EVulnerability::Normal, EVulnerability::Normal, EVulnerability::Normal,
     EVulnerability::Normal, EVulnerability::Normal, EVulnerability::Normal, EDeflectType::None);
 
-constexpr CDamageVulnerability CDamageVulnerability::sImmuneVulnerability(
+const CDamageVulnerability CDamageVulnerability::sImmuneVulnerability(
     EVulnerability::Deflect, EVulnerability::Deflect, EVulnerability::Deflect, EVulnerability::Deflect,
     EVulnerability::Deflect, EVulnerability::Deflect, EVulnerability::Deflect, EVulnerability::Deflect,
     EVulnerability::Deflect, EVulnerability::Deflect, EVulnerability::Deflect, EVulnerability::Deflect,
@@ -18,7 +18,7 @@ constexpr CDamageVulnerability CDamageVulnerability::sImmuneVulnerability(
     EVulnerability::Deflect, EVulnerability::Deflect, EVulnerability::Deflect, EVulnerability::Deflect,
     EVulnerability::Deflect, EVulnerability::Deflect, EVulnerability::Deflect, EDeflectType::None);
 
-constexpr CDamageVulnerability CDamageVulnerability::sReflectVulnerability(
+const CDamageVulnerability CDamageVulnerability::sReflectVulnerability(
     EVulnerability::Deflect, EVulnerability::Deflect, EVulnerability::Deflect, EVulnerability::Deflect,
     EVulnerability::Deflect, EVulnerability::Deflect, EVulnerability::Deflect, EVulnerability::Deflect,
     EVulnerability::Deflect, EVulnerability::Deflect, EVulnerability::Deflect, EVulnerability::Deflect,
@@ -26,7 +26,7 @@ constexpr CDamageVulnerability CDamageVulnerability::sReflectVulnerability(
     EVulnerability::Deflect, EVulnerability::Deflect, EVulnerability::Deflect, EVulnerability::Deflect,
     EVulnerability::Deflect, EVulnerability::Deflect, EVulnerability::Deflect, EDeflectType::One);
 
-constexpr CDamageVulnerability CDamageVulnerability::sPassThroughVulnerability(
+const CDamageVulnerability CDamageVulnerability::sPassThroughVulnerability(
     EVulnerability::PassThrough, EVulnerability::PassThrough, EVulnerability::PassThrough, EVulnerability::PassThrough,
     EVulnerability::PassThrough, EVulnerability::PassThrough, EVulnerability::PassThrough, EVulnerability::PassThrough,
     EVulnerability::PassThrough, EVulnerability::PassThrough, EVulnerability::PassThrough, EVulnerability::PassThrough,