diff --git a/UnrealHyperTwist/Source/UnrealHyperTwist/Private/HyperTwistSimulation/HyperTwistClassicCubeActor.cpp b/UnrealHyperTwist/Source/UnrealHyperTwist/Private/HyperTwistSimulation/HyperTwistClassicCubeActor.cpp
index b3c4a5a..03e1bf5 100644
--- a/UnrealHyperTwist/Source/UnrealHyperTwist/Private/HyperTwistSimulation/HyperTwistClassicCubeActor.cpp
+++ b/UnrealHyperTwist/Source/UnrealHyperTwist/Private/HyperTwistSimulation/HyperTwistClassicCubeActor.cpp
@@ -1,6 +1,4 @@
 #include "HyperTwistSimulation/HyperTwistClassicCubeActor.h"
-#include "Materials/Material.h"
-#include "Materials/MaterialExpressionConstant3Vector.h"
 
 AHyperTwistClassicCubeActor::AHyperTwistClassicCubeActor()
 {
@@ -40,76 +38,8 @@ void AHyperTwistClassicCubeActor::ClearPieces()
 	PieceMeshes.Empty();
 }
 
-void AHyperTwistClassicCubeActor::EnsureDefaultMaterials()
-{
-	if (bDefaultMaterialsCreated)
-	{
-		return;
-	}
-
-	// Standard Rubik's cube colors (unlit)
-	const TArray<FLinearColor> Colors = {
-		FLinearColor(1.0f, 1.0f, 1.0f),      // Up    - White
-		FLinearColor(1.0f, 0.84f, 0.0f),      // Down  - Yellow
-		FLinearColor(0.0f, 0.62f, 0.27f),     // Front - Green
-		FLinearColor(0.0f, 0.27f, 0.68f),     // Back  - Blue
-		FLinearColor(1.0f, 0.35f, 0.0f),      // Left  - Orange
-		FLinearColor(0.72f, 0.07f, 0.07f)     // Right - Red
-	};
-
-	for (int32 i = 0; i < 6; ++i)
-	{
-		UMaterial* Mat = NewObject<UMaterial>(this, *FString::Printf(TEXT("FaceMat_%d"), i));
-		Mat->SetShadingModel(MSM_Unlit);
-
-		UMaterialExpressionConstant3Vector* ColorNode = NewObject<UMaterialExpressionConstant3Vector>(Mat);
-		ColorNode->Constant = Colors[i];
-		Mat->Expressions.Add(ColorNode);
-
-		Mat->EmissiveColor.Expression = ColorNode;
-		Mat->PostEditChange();
-
-		DefaultFaceMats.Add(Mat);
-	}
-
-	// Internal material - near-black
-	UMaterial* IntMat = NewObject<UMaterial>(this, TEXT("InternalMat"));
-	IntMat->SetShadingModel(MSM_Unlit);
-	UMaterialExpressionConstant3Vector* IntColorNode = NewObject<UMaterialExpressionConstant3Vector>(IntMat);
-	IntColorNode->Constant = FLinearColor(0.05f, 0.05f, 0.05f);
-	IntMat->Expressions.Add(IntColorNode);
-	IntMat->EmissiveColor.Expression = IntColorNode;
-	IntMat->PostEditChange();
-	DefaultInternalMat = IntMat;
-
-	bDefaultMaterialsCreated = true;
-}
-
-UMaterialInterface* AHyperTwistClassicCubeActor::GetFaceMaterial(EHyperTwistClassicCubeFace Face)
-{
-	int32 Index = static_cast<int32>(Face);
-	if (FaceMaterials.IsValidIndex(Index) && FaceMaterials[Index] != nullptr)
-	{
-		return FaceMaterials[Index];
-	}
-	EnsureDefaultMaterials();
-	return DefaultFaceMats.IsValidIndex(Index) ? DefaultFaceMats[Index] : nullptr;
-}
-
-UMaterialInterface* AHyperTwistClassicCubeActor::GetInternalMat()
-{
-	if (InternalMaterial != nullptr)
-	{
-		return InternalMaterial;
-	}
-	EnsureDefaultMaterials();
-	return DefaultInternalMat;
-}
-
 void AHyperTwistClassicCubeActor::GenerateCube()
 {
-	EnsureDefaultMaterials();
-
 	struct FPieceDef
 	{
 		FVector GridPos;
@@ -167,7 +97,20 @@ void AHyperTwistClassicCubeActor::CreatePiece(const FVector& GridPos, const TArr
 	for (int32 i = 0; i < 6; ++i)
 	{
 		EHyperTwistClassicCubeFace Face = static_cast<EHyperTwistClassicCubeFace>(i);
-		UMaterialInterface* Mat = ColoredFaces.Contains(Face) ? GetFaceMaterial(Face) : GetInternalMat();
+		
+		// Look up material: use FaceMaterials if assigned, otherwise default (null)
+		UMaterialInterface* Mat = nullptr;
+		int32 FaceIndex = static_cast<int32>(Face);
+		if (FaceMaterials.IsValidIndex(FaceIndex) && FaceMaterials[FaceIndex] != nullptr
+			&& ColoredFaces.Contains(Face))
+		{
+			Mat = FaceMaterials[FaceIndex];
+		}
+		else if (InternalMaterial != nullptr && !ColoredFaces.Contains(Face))
+		{
+			Mat = InternalMaterial;
+		}
+		
 		CreateCubeletFace(Mesh, i, Center, HalfSize, Face, Mat);
 	}
 }
diff --git a/UnrealHyperTwist/Source/UnrealHyperTwist/Public/HyperTwistSimulation/HyperTwistClassicCubeActor.h b/UnrealHyperTwist/Source/UnrealHyperTwist/Public/HyperTwistSimulation/HyperTwistClassicCubeActor.h
index ca713e7..2f835cc 100644
--- a/UnrealHyperTwist/Source/UnrealHyperTwist/Public/HyperTwistSimulation/HyperTwistClassicCubeActor.h
+++ b/UnrealHyperTwist/Source/UnrealHyperTwist/Public/HyperTwistSimulation/HyperTwistClassicCubeActor.h
@@ -27,14 +27,14 @@ public:
 	bool bGenerateOnConstruction = true;
 
 	/**
-	 * Override materials for each face.
+	 * Override materials for each outward face.
 	 * Index order matches EHyperTwistClassicCubeFace: Up, Down, Front, Back, Left, Right.
-	 * If an entry is null, a default unlit color is generated at runtime.
+	 * If null, the default engine material is used.
 	 */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "HyperTwist|Cube")
 	TArray<UMaterialInterface*> FaceMaterials;
 
-	/** Material for internal (non-visible) faces. If null, a dark gray default is used. */
+	/** Material for internal (non-visible) faces. If null, the default engine material is used. */
 	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "HyperTwist|Cube")
 	UMaterialInterface* InternalMaterial;
 
@@ -51,12 +51,5 @@ private:
 		const FVector& Center, float HalfSize, EHyperTwistClassicCubeFace Face,
 		UMaterialInterface* Material);
 
-	UMaterialInterface* GetFaceMaterial(EHyperTwistClassicCubeFace Face);
-	UMaterialInterface* GetInternalMat();
-	void EnsureDefaultMaterials();
-
 	TArray<UProceduralMeshComponent*> PieceMeshes;
-	TArray<UMaterialInterface*> DefaultFaceMats;
-	UMaterialInterface* DefaultInternalMat = nullptr;
-	bool bDefaultMaterialsCreated = false;
 };