diff --git a/src/dobjtype.cpp b/src/dobjtype.cpp
index 631a7e6ee..f1726adbf 100644
--- a/src/dobjtype.cpp
+++ b/src/dobjtype.cpp
@@ -2254,7 +2254,7 @@ PField *PStruct::AddNativeField(FName name, PType *type, size_t address, DWORD f
 
 	if (Symbols.AddSymbol(field) == nullptr)
 	{ // name is already in use
-		delete field;
+		field->Destroy();
 		return nullptr;
 	}
 	Fields.Push(field);
diff --git a/src/scripting/thingdef_data.cpp b/src/scripting/thingdef_data.cpp
index f628dec3c..74c685ea8 100644
--- a/src/scripting/thingdef_data.cpp
+++ b/src/scripting/thingdef_data.cpp
@@ -68,14 +68,12 @@ FFlagDef InternalActorFlagDefs[]=
 	DEFINE_FLAG(MF, UNMORPHED, AActor, flags),
 	DEFINE_FLAG(MF2, FLY, AActor, flags2),
 	DEFINE_FLAG(MF2, ONMOBJ, AActor, flags2),
-	DEFINE_FLAG(MF2, DONTTRANSLATE, AActor, flags2),
 	DEFINE_FLAG(MF2, ARGSDEFINED, AActor, flags2),
 	DEFINE_FLAG(MF3, NOSIGHTCHECK, AActor, flags3),
 	DEFINE_FLAG(MF3, CRASHED, AActor, flags3),
 	DEFINE_FLAG(MF3, WARNBOT, AActor, flags3),
 	DEFINE_FLAG(MF3, HUNTPLAYERS, AActor, flags3),
 	DEFINE_FLAG(MF4, NOHATEPLAYERS, AActor, flags4),
-	DEFINE_FLAG(MF4, NOSKIN, AActor, flags4),
 	DEFINE_FLAG(MF4, SCROLLMOVE, AActor, flags4),
 	DEFINE_FLAG(MF4, VFRICTION, AActor, flags4),
 	DEFINE_FLAG(MF4, BOSSSPAWNED, AActor, flags4),