diff --git a/src/zzz_old.cpp b/src/zzz_old.cpp
index 82e59cbb8..5c6349b5c 100644
--- a/src/zzz_old.cpp
+++ b/src/zzz_old.cpp
@@ -1,4 +1,3 @@
-#ifdef COMMON_STUFF
 
 #include "a_doomglobal.h"
 #include "a_hexenglobal.h"
@@ -706,638 +705,3 @@ void DObject::Serialize(FArchive &arc)
 }
 
 
-void AScriptedMarine::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-
-	if (arc.IsStoring())
-	{
-		arc.WriteSprite(SpriteOverride);
-	}
-	else
-	{
-		SpriteOverride = arc.ReadSprite();
-	}
-	arc << CurrentWeapon;
-}
-
-
-class AHeresiarch : public AActor
-{
-	DECLARE_CLASS(AHeresiarch, AActor)
-public:
-	PClassActor *StopBall;
-	DAngle BallAngle;
-
-	DECLARE_OLD_SERIAL
-};
-
-void AHeresiarch::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << StopBall << BallAngle;
-}
-
-class ASorcBall : public AActor
-{
-	DECLARE_CLASS(ASorcBall, AActor)
-public:
-	DAngle AngleOffset;
-	DAngle OldAngle;
-
-	DECLARE_OLD_SERIAL
-};
-
-void ASorcBall::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << AngleOffset << OldAngle;
-}
-
-class AThrustFloor : public AActor
-{
-	DECLARE_CLASS(AThrustFloor, AActor)
-public:
-	DECLARE_OLD_SERIAL
-
-	TObjPtr<AActor> DirtClump;
-};
-
-void AThrustFloor::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << DirtClump;
-}
-
-void AMinotaurFriend::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << StartTime;
-}
-
-class ARainTracker : public AInventory
-{
-	DECLARE_CLASS(ARainTracker, AInventory)
-public:
-	DECLARE_OLD_SERIAL
-	TObjPtr<AActor> Rain1, Rain2;
-};
-
-void ARainTracker::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << Rain1 << Rain2;
-}
-
-void AInventory::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << Owner << Amount << MaxAmount << RespawnTics << ItemFlags << Icon << PickupSound << SpawnPointClass;
-}
-
-void AHealthPickup::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << autousemode;
-}
-
-void AAmmo::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << BackpackAmount << BackpackMaxAmount;
-}
-
-void AWeapon::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << WeaponFlags
-		<< AmmoType1 << AmmoType2
-		<< AmmoGive1 << AmmoGive2
-		<< MinAmmo1 << MinAmmo2
-		<< AmmoUse1 << AmmoUse2
-		<< Kickback
-		<< YAdjust
-		<< UpSound << ReadySound
-		<< SisterWeaponType
-		<< ProjectileType << AltProjectileType
-		<< SelectionOrder
-		<< MoveCombatDist
-		<< Ammo1 << Ammo2 << SisterWeapon << GivenAsMorphWeapon
-		<< bAltFire
-		<< ReloadCounter
-		<< BobStyle << BobSpeed << BobRangeX << BobRangeY
-		<< FOVScale
-		<< Crosshair
-		<< MinSelAmmo1 << MinSelAmmo2;
-}
-
-void ABackpackItem::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << bDepleted;
-}
-
-void AWeaponGiver::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << DropAmmoFactor;
-}
-
-void ABasicArmor::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << SavePercent << BonusCount << MaxAbsorb << MaxFullAbsorb << AbsorbCount << ArmorType << ActualSaveAmount;
-}
-
-void ABasicArmorPickup::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << SavePercent << SaveAmount << MaxAbsorb << MaxFullAbsorb;
-	arc << DropTime;// in inventory!
-}
-
-void ABasicArmorBonus::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << SavePercent << SaveAmount << MaxSaveAmount << BonusCount << BonusMax
-		<< MaxAbsorb << MaxFullAbsorb;
-}
-
-void AHexenArmor::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << Slots[0] << Slots[1] << Slots[2] << Slots[3]
-		<< Slots[4]
-		<< SlotsIncrement[0] << SlotsIncrement[1] << SlotsIncrement[2]
-		<< SlotsIncrement[3];
-}
-
-void APuzzleItem::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << PuzzleItemNumber;
-}
-
-class DSectorPlaneInterpolation : public DInterpolation
-{
-	DECLARE_CLASS(DSectorPlaneInterpolation, DInterpolation)
-
-	sector_t *sector;
-	double oldheight, oldtexz;
-	double bakheight, baktexz;
-	bool ceiling;
-	TArray<DInterpolation *> attached;
-
-
-public:
-
-	DSectorPlaneInterpolation() {}
-	DSectorPlaneInterpolation(sector_t *sector, bool plane, bool attach);
-	void Destroy();
-	void UpdateInterpolation();
-	void Restore();
-	void Interpolate(double smoothratio);
-	DECLARE_OLD_SERIAL
-	virtual void Serialize(FSerializer &arc);
-	size_t PointerSubstitution(DObject *old, DObject *notOld);
-	size_t PropagateMark();
-};
-
-//==========================================================================
-//
-//
-//
-//==========================================================================
-
-class DSectorScrollInterpolation : public DInterpolation
-{
-	DECLARE_CLASS(DSectorScrollInterpolation, DInterpolation)
-
-	sector_t *sector;
-	double oldx, oldy;
-	double bakx, baky;
-	bool ceiling;
-
-public:
-
-	DSectorScrollInterpolation() {}
-	DSectorScrollInterpolation(sector_t *sector, bool plane);
-	void Destroy();
-	void UpdateInterpolation();
-	void Restore();
-	void Interpolate(double smoothratio);
-	DECLARE_OLD_SERIAL
-	virtual void Serialize(FSerializer &arc);
-};
-
-
-//==========================================================================
-//
-//
-//
-//==========================================================================
-
-class DWallScrollInterpolation : public DInterpolation
-{
-	DECLARE_CLASS(DWallScrollInterpolation, DInterpolation)
-
-	side_t *side;
-	int part;
-	double oldx, oldy;
-	double bakx, baky;
-
-public:
-
-	DWallScrollInterpolation() {}
-	DWallScrollInterpolation(side_t *side, int part);
-	void Destroy();
-	void UpdateInterpolation();
-	void Restore();
-	void Interpolate(double smoothratio);
-	DECLARE_OLD_SERIAL
-	virtual void Serialize(FSerializer &arc);
-};
-
-//==========================================================================
-//
-//
-//
-//==========================================================================
-
-class DPolyobjInterpolation : public DInterpolation
-{
-	DECLARE_CLASS(DPolyobjInterpolation, DInterpolation)
-
-	FPolyObj *poly;
-	TArray<double> oldverts, bakverts;
-	double oldcx, oldcy;
-	double bakcx, bakcy;
-
-public:
-
-	DPolyobjInterpolation() {}
-	DPolyobjInterpolation(FPolyObj *poly);
-	void Destroy();
-	void UpdateInterpolation();
-	void Restore();
-	void Interpolate(double smoothratio);
-	DECLARE_OLD_SERIAL
-	virtual void Serialize(FSerializer &arc);
-};
-
-void DInterpolation::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << refcount;
-	if (arc.IsLoading())
-	{
-		interpolator.AddInterpolation(this);
-	}
-}
-//==========================================================================
-//
-//
-//
-//==========================================================================
-
-void DSectorPlaneInterpolation::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << sector << ceiling << oldheight << oldtexz << attached;
-}
-
-void DSectorScrollInterpolation::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << sector << ceiling << oldx << oldy;
-}
-void DWallScrollInterpolation::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << side << part << oldx << oldy;
-}
-
-void DPolyobjInterpolation::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	int po = int(poly - polyobjs);
-	arc << po << oldverts;
-	poly = polyobjs + po;
-
-	arc << oldcx << oldcy;
-	if (arc.IsLoading()) bakverts.Resize(oldverts.Size());
-}
-
-void AWeaponHolder::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << PieceMask << PieceWeapon;
-}
-
-void AWeaponPiece::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << WeaponClass << FullWeapon << PieceValue;
-}
-
-void DSectorEffect::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << m_Sector;
-}
-
-void DMover::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << interpolation;
-}
-
-class AAmbientSound : public AActor
-{
-	DECLARE_CLASS(AAmbientSound, AActor)
-public:
-	DECLARE_OLD_SERIAL
-	void Serialize(FSerializer &arc);
-
-	void MarkPrecacheSounds() const;
-	void BeginPlay();
-	void Tick();
-	void Activate(AActor *activator);
-	void Deactivate(AActor *activator);
-
-protected:
-	bool bActive;
-private:
-	void SetTicker(struct FAmbientSound *ambient);
-	int NextCheck;
-};
-
-void AAmbientSound::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << bActive << NextCheck;
-}
-
-class AInterpolationPoint : public AActor
-{
-	DECLARE_CLASS(AInterpolationPoint, AActor)
-	HAS_OBJECT_POINTERS
-public:
-	void BeginPlay();
-	void HandleSpawnFlags();
-	void Tick() {}		// Nodes do no thinking
-	AInterpolationPoint *ScanForLoop();
-	void FormChain();
-
-	DECLARE_OLD_SERIAL
-	void Serialize(FSerializer &arc);
-
-	TObjPtr<AInterpolationPoint> Next;
-};
-
-class APathFollower : public AActor
-{
-	DECLARE_CLASS(APathFollower, AActor)
-	HAS_OBJECT_POINTERS
-public:
-	void BeginPlay();
-	void PostBeginPlay();
-	void Tick();
-	void Activate(AActor *activator);
-	void Deactivate(AActor *activator);
-protected:
-	double Splerp(double p1, double p2, double p3, double p4);
-	double Lerp(double p1, double p2);
-	virtual bool Interpolate();
-	virtual void NewNode();
-
-	DECLARE_OLD_SERIAL
-	void Serialize(FSerializer &arc);
-
-	bool bActive, bJustStepped;
-	TObjPtr<AInterpolationPoint> PrevNode, CurrNode;
-	float Time;		// Runs from 0.0 to 1.0 between CurrNode and CurrNode->Next
-	int HoldTime;
-};
-
-void AInterpolationPoint::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << Next;
-}
-
-void APathFollower::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << bActive << bJustStepped << PrevNode << CurrNode << Time << HoldTime;
-}
-
-class AMovingCamera : public APathFollower
-{
-	DECLARE_CLASS(AMovingCamera, APathFollower)
-	HAS_OBJECT_POINTERS
-public:
-	void PostBeginPlay();
-
-	DECLARE_OLD_SERIAL
-	void Serialize(FSerializer &arc);
-protected:
-	bool Interpolate();
-
-	TObjPtr<AActor> Activator;
-};
-
-void AMovingCamera::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << Activator;
-}
-
-void AMorphProjectile::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << PlayerClass << MonsterClass << Duration << MorphStyle << MorphFlash << UnMorphFlash;
-}
-
-void AMorphedMonster::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << UnmorphedMe << UnmorphTime << MorphStyle << MorphExitFlash << FlagsSave;
-}
-
-void ADehackedPickup::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << droppedbymonster;
-}
-
-class ASoundSequenceSlot : public AActor
-{
-	DECLARE_CLASS(ASoundSequenceSlot, AActor)
-	HAS_OBJECT_POINTERS
-public:
-	DECLARE_OLD_SERIAL
-
-	TObjPtr<DSeqNode> Sequence;
-};
-
-void ASoundSequenceSlot::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << Sequence;
-}
-
-void APlayerPawn::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-
-	arc << JumpZ
-		<< MaxHealth
-		<< RunHealth
-		<< SpawnMask
-		<< ForwardMove1
-		<< ForwardMove2
-		<< SideMove1
-		<< SideMove2
-		<< ScoreIcon
-		<< InvFirst
-		<< InvSel
-		<< MorphWeapon
-		<< DamageFade
-		<< PlayerFlags
-		<< FlechetteType;
-	arc << GruntSpeed << FallingScreamMinSpeed << FallingScreamMaxSpeed;
-	arc << UseRange;
-	arc << AirCapacity;
-	arc << ViewHeight;
-}
-
-class APhoenixRod : public AWeapon
-{
-	DECLARE_CLASS(APhoenixRod, AWeapon)
-public:
-	DECLARE_OLD_SERIAL
-	int FlameCount;		// for flamethrower duration
-};
-
-void APhoenixRod::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << FlameCount;
-}
-
-class ACWeapWraithverge : public AClericWeapon
-{
-	DECLARE_CLASS(ACWeapWraithverge, AClericWeapon)
-public:
-	void Serialize(FArchive &arc);
-	BYTE CHolyCount;
-};
-
-void ACWeapWraithverge::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << CHolyCount;
-}
-
-class AMWeapBloodscourge : public AMageWeapon
-{
-	DECLARE_CLASS(AMWeapBloodscourge, AMageWeapon)
-public:
-	void Serialize(FArchive &arc);
-	BYTE MStaffCount;
-};
-
-void AMWeapBloodscourge::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << MStaffCount;
-}
-
-void ASigil::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << NumPieces << DownPieces;
-}
-
-class ASecurityCamera : public AActor
-{
-	DECLARE_CLASS(ASecurityCamera, AActor)
-public:
-	void PostBeginPlay();
-	void Tick();
-
-	void Serialize(FArchive &arc);
-protected:
-	DAngle Center;
-	DAngle Acc;
-	DAngle Delta;
-	DAngle Range;
-};
-
-void ASecurityCamera::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << Center << Acc << Delta << Range;
-}
-
-
-class AAimingCamera : public ASecurityCamera
-{
-	DECLARE_CLASS(AAimingCamera, ASecurityCamera)
-public:
-	void PostBeginPlay();
-	void Tick();
-
-	void Serialize(FArchive &arc);
-protected:
-	DAngle MaxPitchChange;
-};
-
-void AAimingCamera::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << MaxPitchChange;
-}
-
-void APowerupGiver::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << PowerupType;
-	arc << EffectTics << BlendColor << Mode;
-	arc << Strength;
-}
-void APowerup::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << EffectTics << BlendColor << Mode;
-	arc << Strength;
-}
-
-void APowerTorch::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << NewTorch << NewTorchDelta;
-}
-
-void APowerFlight::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << HitCenterFrame;
-}
-
-void APowerSpeed::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << SpeedFlags;
-}
-
-void APowerMorph::Serialize(FArchive &arc)
-{
-	Super::Serialize(arc);
-	arc << PlayerClass << MorphStyle << MorphFlash << UnMorphFlash;
-	arc << Player;
-}
-
-
-#endif
\ No newline at end of file