diff --git a/src/graphics/materials.cpp b/src/graphics/materials.cpp
index 9a68cd3ea..e6a5d6544 100644
--- a/src/graphics/materials.cpp
+++ b/src/graphics/materials.cpp
@@ -746,7 +746,6 @@ const std::tuple<size_t> SkinnedSolid::FirstPassTextures
     = std::tuple<size_t>(1);
 const std::tuple<size_t, size_t, size_t> SkinnedSolid::SecondPassTextures
     = std::tuple<size_t, size_t, size_t>(0, 1, 2);
-const std::tuple<> SkinnedSolid::ShadowTextures;
 const std::tuple<size_t> SkinnedSolid::RSMTextures = std::tuple<size_t>(0);
 
 // ----------------------------------------------------------------------------
@@ -775,7 +774,6 @@ const std::tuple<size_t, size_t> SkinnedNormalMat::FirstPassTextures
     = std::tuple<size_t, size_t>(3, 1);
 const std::tuple<size_t, size_t, size_t> SkinnedNormalMat::SecondPassTextures
     = std::tuple<size_t, size_t, size_t>(0, 1, 2);
-const std::tuple<> SkinnedNormalMat::ShadowTextures;
 const std::tuple<size_t> SkinnedNormalMat::RSMTextures = std::tuple<size_t>(0);
 
 // ----------------------------------------------------------------------------
@@ -784,7 +782,6 @@ const std::tuple<size_t> DefaultMaterial::FirstPassTextures
     = std::tuple<size_t>(1);
 const std::tuple<size_t, size_t, size_t> DefaultMaterial::SecondPassTextures
     = std::tuple<size_t, size_t, size_t>(0, 1, 2);
-const std::tuple<> DefaultMaterial::ShadowTextures;
 const std::tuple<size_t> DefaultMaterial::RSMTextures = std::tuple<size_t>(0);
 
 // ----------------------------------------------------------------------------
@@ -800,7 +797,6 @@ const std::tuple<size_t> AlphaRef::RSMTextures = std::tuple<size_t>(0);
 const InstanceType SphereMap::Instance = InstanceTypeThreeTex;
 const std::tuple<size_t> SphereMap::FirstPassTextures = std::tuple<size_t>(1);
 const std::tuple<size_t> SphereMap::SecondPassTextures = std::tuple<size_t>(0);
-const std::tuple<> SphereMap::ShadowTextures;
 const std::tuple<size_t> SphereMap::RSMTextures = std::tuple<size_t>(0);
 
 // ----------------------------------------------------------------------------
@@ -826,7 +822,6 @@ const std::tuple<size_t, size_t> NormalMat::FirstPassTextures
     = std::tuple<size_t, size_t>(3, 1);
 const std::tuple<size_t, size_t, size_t> NormalMat::SecondPassTextures
     = std::tuple<size_t, size_t, size_t>(0, 1, 2);
-const std::tuple<> NormalMat::ShadowTextures;
 const std::tuple<size_t> NormalMat::RSMTextures = std::tuple<size_t>(0);
 
 // ----------------------------------------------------------------------------
@@ -834,7 +829,6 @@ const InstanceType DetailMat::Instance = InstanceTypeFourTex;
 const std::tuple<size_t> DetailMat::FirstPassTextures = std::tuple<size_t>(1);
 const std::tuple<size_t, size_t, size_t> DetailMat::SecondPassTextures
     = std::tuple<size_t, size_t, size_t>(0, 3, 1);
-const std::tuple<> DetailMat::ShadowTextures;
 const std::tuple<size_t> DetailMat::RSMTextures = std::tuple<size_t>(0);
 
 // ----------------------------------------------------------------------------
@@ -843,7 +837,6 @@ const std::tuple<size_t> SplattingMat::FirstPassTextures
 const std::tuple<size_t, size_t, size_t, size_t, size_t>
     SplattingMat::SecondPassTextures
     = std::tuple<size_t, size_t, size_t, size_t, size_t>(1, 3, 4, 5, 6);
-const std::tuple<> SplattingMat::ShadowTextures;
 const std::tuple<size_t, size_t, size_t, size_t, size_t>
     SplattingMat::RSMTextures
     = std::tuple<size_t, size_t, size_t, size_t, size_t>(1, 3, 4, 5, 6);
diff --git a/src/graphics/materials.hpp b/src/graphics/materials.hpp
index 961cbe9f0..d8f907c5c 100644
--- a/src/graphics/materials.hpp
+++ b/src/graphics/materials.hpp
@@ -445,7 +445,7 @@ struct SkinnedSolid
     static const enum InstanceType Instance;
     static const std::tuple<size_t> FirstPassTextures;
     static const std::tuple<size_t, size_t, size_t> SecondPassTextures;
-    static const std::tuple<> ShadowTextures;
+    static const std::tuple<> constexpr ShadowTextures {};
     static const std::tuple<size_t> RSMTextures;
 };   // SkinnedSolid
 
@@ -487,7 +487,7 @@ struct SkinnedNormalMat
     static const enum InstanceType Instance;
     static const std::tuple<size_t, size_t> FirstPassTextures;
     static const std::tuple<size_t, size_t, size_t> SecondPassTextures;
-    static const std::tuple<> ShadowTextures;
+    static const std::tuple<> constexpr ShadowTextures {};
     static const std::tuple<size_t> RSMTextures;
 };   // SkinnedNormalMat
 
@@ -530,7 +530,7 @@ struct DefaultMaterial
     static const enum InstanceType Instance;
     static const std::tuple<size_t> FirstPassTextures;
     static const std::tuple<size_t, size_t, size_t> SecondPassTextures;
-    static const std::tuple<> ShadowTextures;
+    static const std::tuple<> constexpr ShadowTextures {};
     static const std::tuple<size_t> RSMTextures;
 };   // DefaultMaterial
 
@@ -573,7 +573,7 @@ struct SphereMap
     static const enum InstanceType Instance;
     static const std::tuple<size_t> FirstPassTextures;
     static const std::tuple<size_t> SecondPassTextures;
-    static const std::tuple<> ShadowTextures;
+    static const std::tuple<> constexpr ShadowTextures {};
     static const std::tuple<size_t> RSMTextures;
 };   // SphereMap
 
@@ -639,7 +639,7 @@ struct NormalMat
     static const enum InstanceType Instance;
     static const std::tuple<size_t, size_t> FirstPassTextures;
     static const std::tuple<size_t, size_t, size_t> SecondPassTextures;
-    static const std::tuple<> ShadowTextures;
+    static const std::tuple<> constexpr ShadowTextures {};
     static const std::tuple<size_t> RSMTextures;
 };   // NormalMat
 
@@ -661,7 +661,7 @@ struct DetailMat
     static const enum InstanceType Instance;
     static const std::tuple<size_t> FirstPassTextures;
     static const std::tuple<size_t, size_t, size_t> SecondPassTextures;
-    static const std::tuple<> ShadowTextures;
+    static const std::tuple<> constexpr ShadowTextures {};
     static const std::tuple<size_t> RSMTextures;
 };   // DetailMat
 
@@ -681,7 +681,7 @@ struct SplattingMat
     static const std::tuple<size_t> FirstPassTextures;
     static const std::tuple<size_t, size_t, size_t, size_t, size_t>
                                                          SecondPassTextures;
-    static const std::tuple<> ShadowTextures;
+    static const std::tuple<> constexpr ShadowTextures {};
     static const std::tuple<size_t, size_t, size_t, size_t, size_t>
                                                                 RSMTextures;
 };   // SplattingMat