diff --git a/src/ov_SC07_006/ov_SC07_006_jr_80140608.c b/src/ov_SC07_006/ov_SC07_006_jr_80140608.c
index 185665c9c..f13e74c26 100644
--- a/src/ov_SC07_006/ov_SC07_006_jr_80140608.c
+++ b/src/ov_SC07_006/ov_SC07_006_jr_80140608.c
@@ -365,7 +365,7 @@ extern s32 func_8012E504(s32 a0, s32 a1);
 extern s32 func_8012E544(s32 a0);
 extern s32 func_8012E57C(s32 a0, s32 a1);
 extern s32 RotTransPers(s32 a0, s32 a1, s32 *a2, s32 *a3);
-extern void func_8012E5CC(s32 param_1, u16 param_2, u16 param_3);
+extern s32 func_8012E5CC(s32 a0, s32 a1, s32 a2);
 extern void func_8012E688(s32 param_1, u16 param_2, u16 param_3);
 extern s32 func_8012E778(int param_1, int param_2);
 extern void func_8012E88C(u8 *a0);
@@ -536,7 +536,7 @@ extern void func_80136C54(void);
 extern void func_80136D00(void);
 extern void SetLineG2(void *);
 extern void func_80136D08(s32 arg0, s32 arg1);
-extern u16 D_80126CC4;
+extern s16 D_80126CC4;
 extern M2C_UNK func_800153CC(M2C_UNK, u16, M2C_UNK, M2C_UNK, s32, s32);
 extern void func_80136DFC(void);
 extern void func_80136EC4(void);
@@ -3366,7 +3366,7 @@ DEFINE_func_801472F0()  /* dedup: shared engine-core @0x801472f0 (src/shared) */
 extern s16 currentLocationId;
 extern s32 D_80126B58;
 extern void func_80015978(s32, s32*);
-extern void func_8012E5CC(s32, u16, u16);
+extern s32 func_8012E5CC(s32, s32, s32);
 extern void func_8002D4C8(s32 a0, s32 a1);
 
 void func_80147364(u16 param_1, u16 param_2) {
@@ -5942,7 +5942,7 @@ DEFINE_func_8014F3E8()  /* dedup: shared engine-core @0x8014F3E8 (src/shared) */
 
 
 
-extern void func_8014F4C0();
+extern s32 func_8014F4C0();
 
 s32 func_8014F468(void)
 {
diff --git a/src/ov_SC07_007/ov_SC07_007_jr_80140608.c b/src/ov_SC07_007/ov_SC07_007_jr_80140608.c
index 8de4456e4..7fe4b2e6f 100644
--- a/src/ov_SC07_007/ov_SC07_007_jr_80140608.c
+++ b/src/ov_SC07_007/ov_SC07_007_jr_80140608.c
@@ -529,7 +529,7 @@ extern void func_80136C54(void);
 extern void func_80136D00(void);
 extern void SetLineG2(void *);
 extern void func_80136D08(s32 arg0, s32 arg1);
-extern u16 D_80126CC4;
+extern s16 D_80126CC4;
 extern M2C_UNK func_800153CC(M2C_UNK, u16, M2C_UNK, M2C_UNK, s32, s32);
 extern void func_80136DFC(void);
 extern void func_80136EC4(void);
@@ -5725,7 +5725,7 @@ DEFINE_func_8014F2E0()  /* dedup: shared engine-core @0x8014f2e0 (src/shared) */
 DEFINE_func_8014F3E8()  /* dedup: shared engine-core @0x8014F3E8 (src/shared) */
 
 
-extern void func_8014F4C0(u8 *a0);
+extern s32 func_8014F4C0();
 
 s32 func_8014F468(void)
 {
diff --git a/src/ov_SC07_010/ov_SC07_010_jr_80140608.c b/src/ov_SC07_010/ov_SC07_010_jr_80140608.c
index 15fc66dc2..dccd9fa92 100644
--- a/src/ov_SC07_010/ov_SC07_010_jr_80140608.c
+++ b/src/ov_SC07_010/ov_SC07_010_jr_80140608.c
@@ -4766,7 +4766,7 @@ DEFINE_func_8014F2E0()  /* dedup: shared engine-core @0x8014f2e0 (src/shared) */
 DEFINE_func_8014F3E8()  /* dedup: shared engine-core @0x8014F3E8 (src/shared) */
 
 
-extern void func_8014F4C0(u8 *a0);
+extern s32 func_8014F4C0();
 
 s32 func_8014F468(void)
 {
diff --git a/src/ov_SC07_011/ov_SC07_011_jr_80140608.c b/src/ov_SC07_011/ov_SC07_011_jr_80140608.c
index 118939bb0..f9fc2dd1d 100644
--- a/src/ov_SC07_011/ov_SC07_011_jr_80140608.c
+++ b/src/ov_SC07_011/ov_SC07_011_jr_80140608.c
@@ -529,7 +529,7 @@ extern void func_80136C54(void);
 extern void func_80136D00(void);
 extern void SetLineG2(void *);
 extern void func_80136D08(s32 arg0, s32 arg1);
-extern u16 D_80126CC4;
+extern s16 D_80126CC4;
 extern M2C_UNK func_800153CC(M2C_UNK, u16, M2C_UNK, M2C_UNK, s32, s32);
 extern void func_80136DFC(void);
 extern void func_80136EC4(void);
@@ -5727,7 +5727,7 @@ DEFINE_func_8014F2E0()  /* dedup: shared engine-core @0x8014f2e0 (src/shared) */
 DEFINE_func_8014F3E8()  /* dedup: shared engine-core @0x8014F3E8 (src/shared) */
 
 
-extern void func_8014F4C0(u8 *a0);
+extern s32 func_8014F4C0();
 
 s32 func_8014F468(void)
 {
diff --git a/src/shared/engine_core.h b/src/shared/engine_core.h
index a0f0c5ce4..b3273622e 100644
--- a/src/shared/engine_core.h
+++ b/src/shared/engine_core.h
@@ -20581,7 +20581,7 @@
     extern void func_80147324(s32 arg0); \
     extern s32 func_80146A6C(s32 a0, void *a1, s32 a2, s32 a3, s32 a4, s32 a5, s32 a6); \
     extern void func_80147364(); \
-    extern void func_80146C3C(void); \
+    extern void func_80146C3C(); \
     void func_8016A08C(s32 param_1) { \
         register s32 s0 __asm__("$16"); \
         register void *s1 __asm__("$17"); \
@@ -22406,7 +22406,7 @@
     extern u8 D_80078EBF; \
     extern void func_80147324(s32 arg0); \
     extern void func_80147364(); \
-    extern void func_80146C3C(void); \
+    extern void func_80146C3C(); \
     void func_8016A1CC(int param_1) \
     { \
         register int iVar1 __asm__("$2"); \