diff --git a/asm/minishSizedArchway.s b/asm/minishSizedArchway.s
deleted file mode 100644
index cc3b1074..00000000
--- a/asm/minishSizedArchway.s
+++ /dev/null
@@ -1,40 +0,0 @@
-	.include "asm/macros.inc"
-
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-
-	thumb_func_start MinishSizedArchway
-MinishSizedArchway: @ 0x080973E4
-	push {r4, lr}
-	adds r4, r0, #0
-	ldrb r0, [r4, #0xc]
-	cmp r0, #0
-	bne _0809741E
-	movs r0, #1
-	strb r0, [r4, #0xc]
-	ldrb r0, [r4, #0xa]
-	strb r0, [r4, #0x1e]
-	adds r1, r4, #0
-	adds r1, #0x38
-	movs r0, #2
-	strb r0, [r1]
-	adds r0, r4, #0
-	bl UpdateSpriteForCollisionLayer
-	bl CheckIsDungeon
-	cmp r0, #0
-	beq _0809741E
-	adds r2, r4, #0
-	adds r2, #0x29
-	ldrb r1, [r2]
-	movs r0, #8
-	rsbs r0, r0, #0
-	ands r0, r1
-	movs r1, #1
-	orrs r0, r1
-	strb r0, [r2]
-_0809741E:
-	pop {r4, pc}
diff --git a/include/functions.h b/include/functions.h
index 097c9a73..d6ce6fb3 100644
--- a/include/functions.h
+++ b/include/functions.h
@@ -62,7 +62,7 @@ extern void CreateDust(Entity*);
 extern u32 IsItemEquipped(u32);
 extern void DeleteManager(Manager*);
 extern bool32 CheckPlayerInRegion(u32 centerX, u32 centerY, u32 radiusX, u32 radiusY);
-extern u32 CheckIsDungeon();
+extern u32 CheckIsDungeon(void);
 extern u32 GetTileTypeByEntity(Entity*);
 
 // Unidentified
diff --git a/linker.ld b/linker.ld
index 507f1cc7..4a55674c 100644
--- a/linker.ld
+++ b/linker.ld
@@ -799,7 +799,7 @@ SECTIONS {
         asm/minecartDoor.o(.text);
         asm/objectOnPillar.o(.text);
         src/object/mineralWaterSource.o(.text);
-        asm/minishSizedArchway.o(.text);
+        src/object/minishSizedArchway.o(.text);
         asm/object70.o(.text);
         asm/pushableGrave.o(.text);
         asm/object72.o(.text);
diff --git a/src/object/archway.c b/src/object/archway.c
index 39975ee7..aa26762f 100644
--- a/src/object/archway.c
+++ b/src/object/archway.c
@@ -1,26 +1,17 @@
 #include "global.h"
 #include "entity.h"
 #include "sprite.h"
-
-extern u32 CheckIsDungeon();
+#include "functions.h"
 
 void Archway(Entity* this) {
-    u32 v1;
-    u32 v2;
-    u32 v3;
-
     if (this->action == 0) {
-        v1 = this->action = 1;
-        v2 = this->spriteSettings.raw;
-        v1 = v1 - 0x5;
-        v1 = v1 & v2;
-        this->spriteSettings.raw = v1 | 1;
+        this->action = 1;
+        this->spriteSettings.b.draw = 1;
         this->frameIndex = this->type2;
         this->collisionLayer = 2;
         UpdateSpriteForCollisionLayer(this);
-        v3 = CheckIsDungeon();
-        if (v3 != 0) {
-            this->spritePriority.b0 = (this->spritePriority.b0 & 0xf8) | 1;
+        if (CheckIsDungeon()) {
+            this->spritePriority.b0 = 1;
         }
     }
 }
diff --git a/src/object/minishSizedArchway.c b/src/object/minishSizedArchway.c
new file mode 100644
index 00000000..cc1b63d3
--- /dev/null
+++ b/src/object/minishSizedArchway.c
@@ -0,0 +1,16 @@
+#include "global.h"
+#include "entity.h"
+#include "sprite.h"
+#include "functions.h"
+
+void MinishSizedArchway(Entity* this) {
+    if (this->action == 0) {
+        this->action = 1;
+        this->frameIndex = this->type;
+        this->collisionLayer = 2;
+        UpdateSpriteForCollisionLayer(this);
+        if (CheckIsDungeon()) {
+            this->spritePriority.b0 = 1;
+        }
+    }
+}