diff --git a/src/d_player.h b/src/d_player.h
index 009af57fa1..774aba83d2 100644
--- a/src/d_player.h
+++ b/src/d_player.h
@@ -99,7 +99,6 @@ public:
 
 	bool ResetAirSupply (bool playgasp = true);
 	int GetMaxHealth(bool withupgrades = false) const;
-	void ActivateMorphWeapon ();
 	AWeapon *PickNewWeapon (PClassActor *ammotype);
 	AWeapon *BestWeapon (PClassActor *ammotype);
 	void GiveDeathmatchInventory ();
diff --git a/src/g_inventory/a_weapons.h b/src/g_inventory/a_weapons.h
index 3f5d34dd8f..73a9d15ece 100644
--- a/src/g_inventory/a_weapons.h
+++ b/src/g_inventory/a_weapons.h
@@ -140,9 +140,7 @@ public:
 		EitherFire
 	};
 	bool CheckAmmo (int fireMode, bool autoSwitch, bool requireAmmo=false, int ammocount = -1);
-	bool DoCheckAmmo(int fireMode, bool autoSwitch, bool requireAmmo, int ammocount);
 	bool DepleteAmmo (bool altFire, bool checkEnough=true, int ammouse = -1);
-	bool DoDepleteAmmo(bool altFire, bool checkEnough, int ammouse);
 
 	enum
 	{
diff --git a/src/p_user.cpp b/src/p_user.cpp
index de67ac55e2..3b3802cc2a 100644
--- a/src/p_user.cpp
+++ b/src/p_user.cpp
@@ -1503,45 +1503,6 @@ void APlayerPawn::GiveDefaultInventory ()
 	}
 }
 
-void APlayerPawn::ActivateMorphWeapon ()
-{
-	PClassActor *morphweapon = PClass::FindActor (MorphWeapon);
-	player->PendingWeapon = WP_NOCHANGE;
-
-	if (player->ReadyWeapon != nullptr)
-	{
-		player->GetPSprite(PSP_WEAPON)->y = WEAPONTOP;
-	}
-
-	if (morphweapon == nullptr || !morphweapon->IsDescendantOf (RUNTIME_CLASS(AWeapon)))
-	{ // No weapon at all while morphed!
-		player->ReadyWeapon = nullptr;
-	}
-	else
-	{
-		player->ReadyWeapon = static_cast<AWeapon *>(player->mo->FindInventory (morphweapon));
-		if (player->ReadyWeapon == nullptr)
-		{
-			player->ReadyWeapon = static_cast<AWeapon *>(player->mo->GiveInventoryType (morphweapon));
-			if (player->ReadyWeapon != nullptr)
-			{
-				player->ReadyWeapon->GivenAsMorphWeapon = true; // flag is used only by new beastweap semantics in P_UndoPlayerMorph
-			}
-		}
-		if (player->ReadyWeapon != nullptr)
-		{
-			P_SetPsprite(player, PSP_WEAPON, player->ReadyWeapon->GetReadyState());
-		}
-	}
-
-	if (player->ReadyWeapon != nullptr)
-	{
-		P_SetPsprite(player, PSP_FLASH, nullptr);
-	}
-
-	player->PendingWeapon = WP_NOCHANGE;
-}
-
 //===========================================================================
 //
 // APlayerPawn :: Die