diff --git a/source/games/duke/src/actors_d.cpp b/source/games/duke/src/actors_d.cpp
index b8b1605b0..14dd77e42 100644
--- a/source/games/duke/src/actors_d.cpp
+++ b/source/games/duke/src/actors_d.cpp
@@ -73,13 +73,13 @@ void SerializeActorGlobals(FSerializer& arc)
 	{
 		fire.Clear();
 		if (!res) return;
-		auto length = arc.ArraySize() / 2;
+		int length = arc.ArraySize() / 2;
 		int key;
 		FireProj value;
 
 		for (int i = 0; i < length; i++)
 		{
-			Serialize(arc, nullptr, key, nullptr);
+			arc(nullptr, key);
 			Serialize(arc, nullptr, value, nullptr);
 			fire.Insert(key, value);
 		}
@@ -144,10 +144,9 @@ bool floorspace_d(int sectnum)
 //
 //---------------------------------------------------------------------------
 
-void check_fta_sounds_d(int i)
+void check_fta_sounds_d(DDukeActor* actor)
 {
-	auto spri = &sprite[i];
-	if (spri->extra > 0) switch (spri->picnum)
+	if (actor->s.extra > 0) switch (actor->s.picnum)
 	{
 	case LIZTROOPONTOILET:
 	case LIZTROOPJUSTSIT:
@@ -156,56 +155,56 @@ void check_fta_sounds_d(int i)
 	case LIZTROOPDUCKING:
 	case LIZTROOPRUNNING:
 	case LIZTROOP:
-		S_PlayActorSound(PRED_RECOG, i);
+		S_PlayActorSound(PRED_RECOG, actor);
 		break;
 	case LIZMAN:
 	case LIZMANSPITTING:
 	case LIZMANFEEDING:
 	case LIZMANJUMP:
-		S_PlayActorSound(CAPT_RECOG, i);
+		S_PlayActorSound(CAPT_RECOG, actor);
 		break;
 	case PIGCOP:
 	case PIGCOPDIVE:
-		S_PlayActorSound(PIG_RECOG, i);
+		S_PlayActorSound(PIG_RECOG, actor);
 		break;
 	case RECON:
-		S_PlayActorSound(RECO_RECOG, i);
+		S_PlayActorSound(RECO_RECOG, actor);
 		break;
 	case DRONE:
-		S_PlayActorSound(DRON_RECOG, i);
+		S_PlayActorSound(DRON_RECOG, actor);
 		break;
 	case COMMANDER:
 	case COMMANDERSTAYPUT:
-		S_PlayActorSound(COMM_RECOG, i);
+		S_PlayActorSound(COMM_RECOG, actor);
 		break;
 	case ORGANTIC:
-		S_PlayActorSound(TURR_RECOG, i);
+		S_PlayActorSound(TURR_RECOG, actor);
 		break;
 	case OCTABRAIN:
 	case OCTABRAINSTAYPUT:
-		S_PlayActorSound(OCTA_RECOG, i);
+		S_PlayActorSound(OCTA_RECOG, actor);
 		break;
 	case BOSS1:
 		S_PlaySound(BOS1_RECOG);
 		break;
 	case BOSS2:
-		if (spri->pal == 1)
+		if (actor->s.pal == 1)
 			S_PlaySound(BOS2_RECOG);
 		else S_PlaySound(WHIPYOURASS);
 		break;
 	case BOSS3:
-		if (spri->pal == 1)
+		if (actor->s.pal == 1)
 			S_PlaySound(BOS3_RECOG);
 		else S_PlaySound(RIPHEADNECK);
 		break;
 	case BOSS4:
 	case BOSS4STAYPUT:
-		if (spri->pal == 1)
+		if (actor->s.pal == 1)
 			S_PlaySound(BOS4_RECOG);
 		S_PlaySound(BOSS4_FIRSTSEE);
 		break;
 	case GREENSLIME:
-		S_PlayActorSound(SLIM_RECOG, i);
+		S_PlayActorSound(SLIM_RECOG, actor);
 		break;
 	}
 }
@@ -781,7 +780,7 @@ void movefta_d(void)
 
 						default:
 							ht->timetosleep = 0;
-							fi.check_fta_sounds(i);
+							check_fta_sounds_d(&hittype[i]);
 							changespritestat(i, STAT_ACTOR);
 							break;
 					}
diff --git a/source/games/duke/src/actors_r.cpp b/source/games/duke/src/actors_r.cpp
index 6f02d0554..89d8eb888 100644
--- a/source/games/duke/src/actors_r.cpp
+++ b/source/games/duke/src/actors_r.cpp
@@ -92,18 +92,18 @@ bool floorspace_r(int sectnum)
 //
 //---------------------------------------------------------------------------
 
-void check_fta_sounds_r(int i)
+void check_fta_sounds_r(DDukeActor* actor)
 {
-	if (sprite[i].extra > 0) switch (sprite[i].picnum)
+	if (actor->s.extra > 0) switch (actor->s.picnum)
 	{
 	case COOT: // LIZTROOP
 		if (!isRRRA() && (krand() & 3) == 2)
-			S_PlayActorSound(PRED_RECOG, i);
+			S_PlayActorSound(PRED_RECOG, actor);
 		break;
 	case BILLYCOCK:
 	case BILLYRAY:
 	case BRAYSNIPER: // PIGCOP
-		S_PlayActorSound(PIG_RECOG, i);
+		S_PlayActorSound(PIG_RECOG, actor);
 		break;
 	}
 }
@@ -606,7 +606,7 @@ void movefta_r(void)
 						if (actorflag(spriteNum, SFLAG_USEACTIVATOR) && sector[sprite[spriteNum].sectnum].lotag & 16384) break;
 #endif
 						hittype[i].timetosleep = 0;
-						fi.check_fta_sounds(i);
+						check_fta_sounds_r(&hittype[i]);
 						changespritestat(i, STAT_ACTOR);
 						break;
 					}
@@ -624,7 +624,7 @@ void movefta_r(void)
 					if (wakeup(i, p))
 					{
 						hittype[i].timetosleep = 0;
-						fi.check_fta_sounds(i);
+						check_fta_sounds_r(&hittype[i]);
 						changespritestat(i, STAT_ACTOR);
 					}
 				}
diff --git a/source/games/duke/src/dispatch.cpp b/source/games/duke/src/dispatch.cpp
index 7e5d48aa9..e0860c3ba 100644
--- a/source/games/duke/src/dispatch.cpp
+++ b/source/games/duke/src/dispatch.cpp
@@ -88,8 +88,6 @@ void move_d(int g_i, int g_p, int g_x);
 void move_r(int g_i, int g_p, int g_x);
 int spawn_d(int j, int pn);
 int spawn_r(int j, int pn);
-void check_fta_sounds_d(int i);
-void check_fta_sounds_r(int i);
 void incur_damage_d(struct player_struct* p);
 void incur_damage_r(struct player_struct* p);
 void shoot_d(int i, int atwith);
@@ -161,7 +159,6 @@ void SetDispatcher()
 		checktimetosleep_d,
 		move_d,
 		spawn_d,
-		check_fta_sounds_d,
 
 		incur_damage_d,
 		shoot_d,
@@ -212,7 +209,6 @@ void SetDispatcher()
 		checktimetosleep_r,
 		move_r,
 		spawn_r,
-		check_fta_sounds_r,
 
 		incur_damage_r,
 		shoot_r,
diff --git a/source/games/duke/src/duke3d.h b/source/games/duke/src/duke3d.h
index 5b07ea072..f929580db 100644
--- a/source/games/duke/src/duke3d.h
+++ b/source/games/duke/src/duke3d.h
@@ -101,7 +101,6 @@ struct Dispatcher
 	void (*checktimetosleep)(int g_i);
 	void (*move)(int g_i, int g_p, int g_x);
 	int (*spawn)(int j, int pn);
-	void (*check_fta_sounds)(int i);
 
 	// player
 	void (*incur_damage)(struct player_struct* p);
diff --git a/source/games/duke/src/funct.h b/source/games/duke/src/funct.h
index 62e9df2f8..5dc2b4235 100644
--- a/source/games/duke/src/funct.h
+++ b/source/games/duke/src/funct.h
@@ -95,6 +95,9 @@ void handle_se128(DDukeActor* i);
 void handle_se130(DDukeActor* i, int countmax, int EXPLOSION2);
 
 void respawn_rrra(DDukeActor* oldact, DDukeActor* newact);
+// This is only called from game specific code so it does not need an indirection.
+void check_fta_sounds_d(DDukeActor* i);
+void check_fta_sounds_r(DDukeActor* i);
 
 int dodge(DDukeActor*);
 void alterang(int ang, DDukeActor* actor, int g_p);
diff --git a/source/games/duke/src/player_r.cpp b/source/games/duke/src/player_r.cpp
index 4992331df..c59b09a56 100644
--- a/source/games/duke/src/player_r.cpp
+++ b/source/games/duke/src/player_r.cpp
@@ -3991,7 +3991,7 @@ HORIZONLY:
 					if (sprite[var60].picnum == BILLYRAY)
 						S_PlayActorSound(404, var60);
 					else
-						fi.check_fta_sounds(var60);
+						check_fta_sounds_r(&hittype[var60]);
 					changespritestat(var60, 1);
 				}
 			}
diff --git a/source/games/duke/src/spawn_d.cpp b/source/games/duke/src/spawn_d.cpp
index 052392f20..8409ae58c 100644
--- a/source/games/duke/src/spawn_d.cpp
+++ b/source/games/duke/src/spawn_d.cpp
@@ -106,7 +106,7 @@ int spawn_d(int j, int pn)
 
 				if (j >= 0) {
 					hittype[i].timetosleep = 0;
-					fi.check_fta_sounds(i);
+                    check_fta_sounds_d(&hittype[i]);
 					changespritestat(i, 1);
 				} else
 					changespritestat(i, 2);
@@ -879,7 +879,7 @@ int spawn_d(int j, int pn)
                     if(j >= 0)
                     {
                         hittype[i].timetosleep = 0;
-                        fi.check_fta_sounds(i);
+                        check_fta_sounds_d(&hittype[i]);
                         changespritestat(i,1);
                     }
                     else changespritestat(i,2);
diff --git a/source/games/duke/src/spawn_r.cpp b/source/games/duke/src/spawn_r.cpp
index b04b9894a..b3d250bb9 100644
--- a/source/games/duke/src/spawn_r.cpp
+++ b/source/games/duke/src/spawn_r.cpp
@@ -1049,7 +1049,7 @@ int spawn_r(int j, int pn)
 					if(j >= 0)
 					{
 						hittype[i].timetosleep = 0;
-						fi.check_fta_sounds(i);
+						check_fta_sounds_r(&hittype[i]);
 						changespritestat(i,1);
 					}
 					else changespritestat(i,2);