diff --git a/include/core1/core1.h b/include/core1/core1.h
index e1fb239c..a6ef1e11 100644
--- a/include/core1/core1.h
+++ b/include/core1/core1.h
@@ -25,8 +25,6 @@
 
 /* need to sort out in individual header files */
 
-void mlMtx_apply_vec3f(f32[3], f32[3]);
-void func_80252C08(f32 arg0[3], f32 arg1[3], f32 scale, f32 arg3[3]);
 void glcrc_calc_checksum(void *start, void *end, u32 checksum[2]);
 
 void func_80250530(s32 arg0, u16 chan_mask, f32 arg2);
diff --git a/include/core1/mlmtx.h b/include/core1/mlmtx.h
index 0bf54369..be949db6 100644
--- a/include/core1/mlmtx.h
+++ b/include/core1/mlmtx.h
@@ -12,7 +12,9 @@ void mlMtx_push_mtx(f32* mtx);
 void mlMtx_push_multiplied(f32* l_mtx);
 void mlMtx_push_multiplied_2(MtxF * l_mtx, MtxF * r_mtx);
 void mlMtxIdent(void);
+void func_80251B5C(f32 x, f32 y, f32 z);
 void mlMtxSet(MtxF* arg0);
+void mlMtxRotate(f32 a, f32 x, f32 y, f32 z);
 void mlMtxRotPitch(f32 arg0);
 void mlMtxRotYaw(f32 arg0);
 void mlMtxRotRoll(f32 arg0);
@@ -21,11 +23,23 @@ void mlMtx_rotate_yaw_deg(f32 arg0);
 void mlMtxRotatePYR(f32 pitch, f32 yaw, f32 roll);
 void mlMtxScale_xyz(f32 x, f32 y, f32 z);
 void mlMtxScale(f32 scale);
+void func_80252330(f32 x, f32 y, f32 z);
+void mlMtx_apply_vec3f(f32 dst[3], f32 src[3]);
+void mlMtx_apply_vec3f_restricted(f32 dst[3], f32 src[3]);
 void mlMtx_apply_f3(f32 dst[3], f32 x, f32 y, f32 z);
 void mlMtx_apply_vec3s(s16 dst[3], s16 src[3]);
+void func_8025276C(s32 arg0[3], s32 arg1[3], s32 arg2[3], s32 arg3[3]);
 void mlMtxTranslate(f32 x, f32 y, f32 z);
-
-MtxF *func_8024DD90(void);
-MtxF *func_8024DD9C(void);
+void func_80252A38(f32 x, f32 y, f32 z);
+void func_80252AF0(f32 arg0[3], f32 arg1[3], f32 rotation[3], f32 scale, f32 arg4[3]);
+void func_80252C08(f32 arg0[3], f32 rotation[3], f32 scale, f32 arg3[3]);
+void func_80252CC4(f32 position[3], f32 rotation[3], f32 scale, f32 arg3[3]);
+void func_80252D8C(f32 position[3], f32 rotation[3]);
+void func_80252DDC(f32 position[3], f32 rotation[3]);
+void func_80252E4C(f32 position[3], f32 rotation[3]);
+void func_80252EC8(f32 position[3], f32 rotation[3]);
+void func_80252F50(f32 rotation[3]);
+void func_80252F8C(f32 rotation[3]);
+void func_80252FC8(f32 rotation[3]);
 
 #endif
diff --git a/src/core2/code_5FD90.c b/src/core2/code_5FD90.c
index 93274fce..430171ae 100644
--- a/src/core2/code_5FD90.c
+++ b/src/core2/code_5FD90.c
@@ -4,8 +4,6 @@
 
 #include "model.h"
 
-extern void func_80252C08(f32[3],f32[3], f32, f32[3]);
-extern void func_80252CC4(f32[3],s32, f32, s32);
 extern f32  vtxList_getGlobalNorm(BKVertexList *);
 extern void points_to_boundingBoxWithMargin(f32 arg0[3], f32 arg1[3], f32 margin, f32 min[3], f32 max[3]);
 
diff --git a/src/core2/code_637D0.c b/src/core2/code_637D0.c
index 66e4091d..677f32d3 100644
--- a/src/core2/code_637D0.c
+++ b/src/core2/code_637D0.c
@@ -2,8 +2,6 @@
 #include "functions.h"
 #include "variables.h"
 
-extern void func_80252C08(f32[3], f32[3], f32, f32[3]);
-extern void func_80252CC4(f32[3], f32[3], f32, f32[3]);
 extern void mlMtx_apply_f3(f32[3], f32, f32, f32);
 extern  s32 func_802EBAE0(BKModelUnk14List *arg0, f32 position[3], f32 rotation[3], f32 scale, f32 arg4[3], AnimMtxList* arg5, f32 arg6[3], f32 arg7, f32 arg8[3]);
 extern MtxF *animMtxList_get(AnimMtxList *this, s32 arg1);
diff --git a/src/core2/code_654C0.c b/src/core2/code_654C0.c
index 11d97d28..00aca9a9 100644
--- a/src/core2/code_654C0.c
+++ b/src/core2/code_654C0.c
@@ -3,7 +3,6 @@
 #include "functions.h"
 #include "variables.h"
 
-extern void func_80252CC4(f32[3], f32 [3], f32, f32[3]);
 extern f32 func_8034A9D0(f32[4], f32);
 
 /*.bss */
diff --git a/src/core2/code_6B030.c b/src/core2/code_6B030.c
index ed2b237e..26396bd1 100644
--- a/src/core2/code_6B030.c
+++ b/src/core2/code_6B030.c
@@ -3,11 +3,6 @@
 #include "functions.h"
 #include "variables.h"
 
-
-
-
-extern void func_80252330(f32, f32, f32);
-
 typedef struct {
     s16 unk0;
     s16 unk2;
diff --git a/src/core2/code_72060.c b/src/core2/code_72060.c
index 473be387..ca0e5236 100644
--- a/src/core2/code_72060.c
+++ b/src/core2/code_72060.c
@@ -8,8 +8,6 @@ typedef struct {
     f32 unkC[3];
 }Struct_core2_72060_0;
 
-extern void func_80251B5C(f32, f32, f32);
-extern void func_80252A38(f32, f32, f32);
 extern f32 vtxList_getGlobalNorm(BKVertexList *);
 
 struct4Cs *D_80369280 = NULL;
diff --git a/src/core2/code_AC520.c b/src/core2/code_AC520.c
index d3e3ecc1..c7a944df 100644
--- a/src/core2/code_AC520.c
+++ b/src/core2/code_AC520.c
@@ -4,7 +4,6 @@
 
 #include <core2/file.h>
 
-extern void func_80252CC4(f32[3], f32[3], f32, f32[3]);
 extern f32  vtxList_getGlobalNorm(BKVertexList *arg0);
 extern void func_803334B0(f32 position[3], f32 rotation[3], f32 scale, f32[3], f32);
 
diff --git a/src/core2/code_AEDA0.c b/src/core2/code_AEDA0.c
index 7eaaea97..f50ac2f5 100644
--- a/src/core2/code_AEDA0.c
+++ b/src/core2/code_AEDA0.c
@@ -3,7 +3,6 @@
 #include "functions.h"
 #include "variables.h"
 
-void func_80252330(f32, f32, f32);
 void func_803382D8(s32 arg0);
 void func_803382E4(s32 arg0);
 void spriteRender_set1Primative(bool boolean);
diff --git a/src/core2/code_B8860.c b/src/core2/code_B8860.c
index a450a231..8c4b4516 100644
--- a/src/core2/code_B8860.c
+++ b/src/core2/code_B8860.c
@@ -5,7 +5,6 @@
 
 
 extern void mlMtxRotatePYR(f32, f32, f32);
-extern void func_80252330(f32, f32, f32);
 
 typedef struct {
     BKSprite *sprite_0;
diff --git a/src/core2/code_B9090.c b/src/core2/code_B9090.c
index 42303007..b0c66c8e 100644
--- a/src/core2/code_B9090.c
+++ b/src/core2/code_B9090.c
@@ -4,8 +4,6 @@
 
 #define ABS(s) (((s) >= 0) ? (s) : -(s))
 
-extern void func_80252CC4(f32[3], f32[3], f32, f32[3]);
-
 /* .code */
 bool func_80340020(Struct83s *self, f32 position[3], f32 arg2[3], f32 arg3, f32 *arg4, BKVertexList *arg5, f32 arg6[3], f32 arg7[3]) {
     f32 sp6C[3];
diff --git a/src/core2/code_BD100.c b/src/core2/code_BD100.c
index cebf6dea..76c3bed7 100644
--- a/src/core2/code_BD100.c
+++ b/src/core2/code_BD100.c
@@ -5,7 +5,6 @@
 
 
 extern void spriteRender_drawWithSegment(Gfx**, Vtx**, BKSprite *, s32, s32);
-extern void func_80252330(f32, f32, f32);\
 extern void func_80349AD0(void);
 
 
diff --git a/src/core2/code_C9F00.c b/src/core2/code_C9F00.c
index 495f1872..571fdf5d 100644
--- a/src/core2/code_C9F00.c
+++ b/src/core2/code_C9F00.c
@@ -2,7 +2,6 @@
 #include "functions.h"
 #include "variables.h"
 
-extern void func_80252CC4(f32[3], f32[3], f32, s32);
 extern int func_802E805C(BKCollisionList *arg0, BKVertexList *vtxList, f32 arg2[3], f32 arg3[3], f32 arg4, s32 arg5, s32 arg6, s32 arg7, s32 arg8);
 extern int func_802E9118(BKCollisionList *arg0, BKVertexList *vtxList, f32 arg2[3], f32 arg3[3], f32 arg4, s32 arg5, s32 arg6, f32 arg7, s32 arg8, s32 arg9, s32 arg10);
 extern int func_802E9DD8(BKCollisionList *arg0, BKVertexList *vtxList, f32 arg2[3], f32 arg3[3], f32 arg4, s32 arg5, f32 arg6, s32 arg7, s32 arg8);
diff --git a/src/core2/gc/zoombox.c b/src/core2/gc/zoombox.c
index 06a6d86c..b582a350 100644
--- a/src/core2/gc/zoombox.c
+++ b/src/core2/gc/zoombox.c
@@ -6,7 +6,6 @@
 #include "zoombox.h"
 
 
-void func_80252330(f32, f32, f32);
 extern f32 func_8033DDB8(void);
 extern void func_80344090(BKSpriteDisplayData *self, s32 frame, Gfx **gfx);
 BKSprite *func_8033B6C4(enum asset_e sprite_id, BKSpriteDisplayData **arg1);
diff --git a/src/core2/modelRender.c b/src/core2/modelRender.c
index 4bf95aad..ffed8de8 100644
--- a/src/core2/modelRender.c
+++ b/src/core2/modelRender.c
@@ -11,7 +11,6 @@
 
 extern bool func_802ED420(BKModelUnk20List *arg0, u8 *arg1, u32 arg2);
 extern void func_802ED52C(BKModelUnk20List *, f32[3], f32);
-extern void func_80252AF0(f32[3], f32[3], f32[3], f32, f32[3]);
 extern void mlMtxRotatePYR(f32, f32, f32);
 extern void assetCache_free(BKModelBin *);
 extern s32 func_8024DB50(f32[3], f32);