diff --git a/include/field_specials.h b/include/field_specials.h
index 2b67c4ff71..7c29ecbadb 100644
--- a/include/field_specials.h
+++ b/include/field_specials.h
@@ -19,5 +19,9 @@ u8 GetSSTidalLocation(s8 *mapGroup, s8 *mapNum, s16 *x, s16 *y);
 void sub_813A128(void);
 void sub_813A878(u8 a0);
 u8 sub_813BADC(u8 a0);
+bool8 sub_813B9C0(void);
+void SetShoalItemFlag(u16 v0);
+void UpdateFrontierManiac(u16 a0);
+void UpdateFrontierGambler(u16 a0);
 
 #endif // GUARD_FIELD_SPECIALS_H
diff --git a/src/clock.c b/src/clock.c
index aea6c20881..2d4da92ab5 100644
--- a/src/clock.c
+++ b/src/clock.c
@@ -1,7 +1,8 @@
 #include "global.h"
-#include "rom6.h"
 #include "event_data.h"
 #include "rtc.h"
+#include "time_events.h"
+#include "field_specials.h"
 #include "lottery_corner.h"
 #include "dewford_trend.h"
 #include "tv.h"
diff --git a/src/field_specials.c b/src/field_specials.c
index 242dcfdb3d..5e1c86dfe2 100644
--- a/src/field_specials.c
+++ b/src/field_specials.c
@@ -3817,7 +3817,7 @@ void sub_813B9A0(void)
     }
 }
 
-bool32 sub_813B9C0(void)
+bool8 sub_813B9C0(void)
 {
     static const u16 gUnknown_085B3444[] = {
         MAP_OLDALE_TOWN_POKEMON_CENTER_1F,
diff --git a/src/lilycove_lady.c b/src/lilycove_lady.c
index 1012a8e087..3d4f8a90d2 100644
--- a/src/lilycove_lady.c
+++ b/src/lilycove_lady.c
@@ -5,7 +5,9 @@
 #include "global.h"
 #include "main.h"
 #include "overworld.h"
-#include "rom6.h"
+#include "fldeff.h"
+#include "field_specials.h"
+#include "pokeblock.h"
 #include "event_data.h"
 #include "script.h"
 #include "random.h"