diff --git a/include/game/sprite.h b/include/game/sprite.h
index c08cf105..d944cc74 100644
--- a/include/game/sprite.h
+++ b/include/game/sprite.h
@@ -113,6 +113,9 @@ void HuSprGrpCenterSet(s16 group, float x, float y);
 void HuSprGrpZRotSet(s16 group, float z_rot);
 void HuSprGrpScaleSet(s16 group, float x, float y);
 void HuSprGrpTPLvlSet(s16 group, float tp_lvl);
+#ifndef HUSPR_USE_OLD_DEFS
+void HuSprGrpDrawNoSet(s16 group, s32 draw_no);
+#endif
 void HuSprDrawNoSet(s16 group, s16 member, s32 draw_no);
 void HuSprPriSet(s16 group, s16 member, s16 prio);
 void HuSprGrpScissorSet(s16 group, s16 x, s16 y, s16 w, s16 h);
diff --git a/src/REL/instDll/main.c b/src/REL/instDll/main.c
index 4ba2b989..7c9ea6d0 100644
--- a/src/REL/instDll/main.c
+++ b/src/REL/instDll/main.c
@@ -21,8 +21,6 @@
 
 #include "rel_sqrt_consts.h"
 
-void HuSprGrpDrawNoSet(s16 group, s32 draw_no);
-
 static s16 lbl_1_data_0 = 1;
 
 static omObjData *lbl_1_bss_60;
diff --git a/src/REL/modeltestDll/main.c b/src/REL/modeltestDll/main.c
index 444cea7a..f72c1fc2 100644
--- a/src/REL/modeltestDll/main.c
+++ b/src/REL/modeltestDll/main.c
@@ -1,3 +1,4 @@
+#define HUSPR_USE_OLD_DEFS
 #include "math.h"
 #include "game/chrman.h"
 #include "game/object.h"
diff --git a/src/game/board/lottery.c b/src/game/board/lottery.c
index 783e4d63..f5689a87 100755
--- a/src/game/board/lottery.c
+++ b/src/game/board/lottery.c
@@ -23,8 +23,6 @@
 
 #include "math.h"
 
-void HuSprGrpDrawNoSet(s16 group, s32 draw_no);
-
 #define ABS(x) (((x) < 0) ? -(x) : (x))
 
 typedef struct {