diff --git a/asm/object/eyeSwitch.s b/asm/object/eyeSwitch.s
deleted file mode 100644
index d1b48f89..00000000
--- a/asm/object/eyeSwitch.s
+++ /dev/null
@@ -1,209 +0,0 @@
-	.include "asm/macros.inc"
-
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-
-	thumb_func_start EyeSwitch
-EyeSwitch: @ 0x0808868C
-	push {lr}
-	ldr r2, _080886A0 @ =gUnk_08120B20
-	ldrb r1, [r0, #0xc]
-	lsls r1, r1, #2
-	adds r1, r1, r2
-	ldr r1, [r1]
-	bl _call_via_r1
-	pop {pc}
-	.align 2, 0
-_080886A0: .4byte gUnk_08120B20
-
-	thumb_func_start sub_080886A4
-sub_080886A4: @ 0x080886A4
-	push {r4, r5, r6, lr}
-	adds r4, r0, #0
-	ldrb r1, [r4, #0xa]
-	movs r6, #3
-	adds r0, r6, #0
-	ands r0, r1
-	strb r0, [r4, #0x14]
-	adds r2, r4, #0
-	adds r2, #0x29
-	ldrb r1, [r2]
-	movs r0, #8
-	rsbs r0, r0, #0
-	ands r0, r1
-	movs r1, #6
-	orrs r0, r1
-	strb r0, [r2]
-	adds r1, r4, #0
-	adds r1, #0x3c
-	movs r0, #7
-	strb r0, [r1]
-	adds r1, #4
-	movs r0, #0x48
-	strb r0, [r1]
-	adds r0, r4, #0
-	adds r0, #0x3f
-	movs r5, #1
-	strb r5, [r0]
-	subs r1, #5
-	movs r0, #2
-	strb r0, [r1]
-	ldr r0, _08088700 @ =gHitbox_1
-	str r0, [r4, #0x48]
-	adds r0, r4, #0
-	adds r0, #0x84
-	ldrh r0, [r0]
-	bl CheckFlags
-	cmp r0, #0
-	beq _08088704
-	strb r6, [r4, #0xc]
-	ldrb r1, [r4, #0x14]
-	adds r1, #4
-	adds r0, r4, #0
-	bl InitializeAnimation
-	b _08088716
-	.align 2, 0
-_08088700: .4byte gHitbox_1
-_08088704:
-	strb r5, [r4, #0xc]
-	ldrb r0, [r4, #0x10]
-	movs r1, #0x80
-	orrs r0, r1
-	strb r0, [r4, #0x10]
-	ldrb r1, [r4, #0x14]
-	adds r0, r4, #0
-	bl InitializeAnimation
-_08088716:
-	pop {r4, r5, r6, pc}
-
-	thumb_func_start sub_08088718
-sub_08088718: @ 0x08088718
-	push {r4, lr}
-	adds r4, r0, #0
-	adds r0, #0x41
-	ldrb r0, [r0]
-	cmp r0, #0x95
-	beq _08088728
-	cmp r0, #0x8e
-	bne _0808875A
-_08088728:
-	ldr r0, [r4, #0x4c]
-	ldrb r1, [r0, #0x15]
-	adds r1, #4
-	movs r0, #0x18
-	ands r1, r0
-	asrs r1, r1, #3
-	ldrb r2, [r4, #0x14]
-	movs r0, #3
-	ands r0, r2
-	cmp r1, r0
-	bne _0808875A
-	movs r0, #2
-	strb r0, [r4, #0xc]
-	ldrb r1, [r4, #0x10]
-	movs r0, #0x7f
-	ands r0, r1
-	strb r0, [r4, #0x10]
-	ldr r0, _0808875C @ =0x00000111
-	bl EnqueueSFX
-	adds r0, r4, #0
-	adds r0, #0x86
-	ldrh r0, [r0]
-	bl SetFlag
-_0808875A:
-	pop {r4, pc}
-	.align 2, 0
-_0808875C: .4byte 0x00000111
-
-	thumb_func_start sub_08088760
-sub_08088760: @ 0x08088760
-	push {r4, lr}
-	adds r4, r0, #0
-	bl GetNextFrame
-	adds r0, r4, #0
-	adds r0, #0x5a
-	ldrb r1, [r0]
-	movs r0, #0x80
-	ands r0, r1
-	cmp r0, #0
-	beq _0808878E
-	movs r0, #3
-	strb r0, [r4, #0xc]
-	ldrb r0, [r4, #0xe]
-	lsls r0, r0, #1
-	adds r1, r4, #0
-	adds r1, #0x70
-	strh r0, [r1]
-	ldrb r1, [r4, #0x14]
-	adds r1, #4
-	adds r0, r4, #0
-	bl InitializeAnimation
-_0808878E:
-	pop {r4, pc}
-
-	thumb_func_start sub_08088790
-sub_08088790: @ 0x08088790
-	push {r4, r5, lr}
-	adds r4, r0, #0
-	ldrb r0, [r4, #0xe]
-	cmp r0, #0
-	beq _080887D6
-	adds r0, r4, #0
-	adds r0, #0x86
-	adds r2, r4, #0
-	adds r2, #0x84
-	ldrh r1, [r0]
-	adds r5, r0, #0
-	ldrh r0, [r2]
-	cmp r1, r0
-	beq _080887BC
-	ldrh r0, [r2]
-	bl CheckFlags
-	cmp r0, #0
-	beq _080887BC
-	movs r0, #0
-	strb r0, [r4, #0xe]
-	b _080887D6
-_080887BC:
-	adds r1, r4, #0
-	adds r1, #0x70
-	ldrh r0, [r1]
-	subs r0, #1
-	strh r0, [r1]
-	lsls r0, r0, #0x10
-	cmp r0, #0
-	bne _080887D6
-	movs r0, #4
-	strb r0, [r4, #0xc]
-	ldrh r0, [r5]
-	bl ClearFlag
-_080887D6:
-	pop {r4, r5, pc}
-
-	thumb_func_start sub_080887D8
-sub_080887D8: @ 0x080887D8
-	push {r4, lr}
-	adds r4, r0, #0
-	bl GetNextFrame
-	adds r0, r4, #0
-	adds r0, #0x5a
-	ldrb r1, [r0]
-	movs r0, #0x80
-	ands r0, r1
-	cmp r0, #0
-	beq _08088802
-	movs r0, #1
-	strb r0, [r4, #0xc]
-	ldrb r1, [r4, #0x10]
-	movs r0, #0x80
-	orrs r0, r1
-	strb r0, [r4, #0x10]
-	ldrb r1, [r4, #0x14]
-	adds r0, r4, #0
-	bl InitializeAnimation
-_08088802:
-	pop {r4, pc}
diff --git a/data/const/object/eyeSwitch.s b/data/const/object/eyeSwitch.s
deleted file mode 100644
index 8d159dca..00000000
--- a/data/const/object/eyeSwitch.s
+++ /dev/null
@@ -1,12 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.section .rodata
-    .align 2
-
-gUnk_08120B20:: @ 08120B20
-	.4byte sub_080886A4
-	.4byte sub_08088718
-	.4byte sub_08088760
-	.4byte sub_08088790
-	.4byte sub_080887D8
diff --git a/linker.ld b/linker.ld
index 826528e2..2299ea2d 100644
--- a/linker.ld
+++ b/linker.ld
@@ -656,7 +656,7 @@ SECTIONS {
         asm/object/object20.o(.text);
         asm/object/object21.o(.text);
         src/object/figurineDevice.o(.text);
-        asm/object/eyeSwitch.o(.text);
+        src/object/eyeSwitch.o(.text);
         src/object/pressurePlate.o(.text);
         src/object/bigBarrel.o(.text);
         src/object/barrelInside.o(.text);
@@ -1381,7 +1381,7 @@ SECTIONS {
         data/const/object/object21.o(.rodata);
         src/object/figurineDevice.o(.rodata);
         data/animations/object/figurineDevice.o(.rodata);
-        data/const/object/eyeSwitch.o(.rodata);
+        src/object/eyeSwitch.o(.rodata);
         data/animations/object/eyeSwitch.o(.rodata);
         src/object/pressurePlate.o(.rodata);
         src/object/bigBarrel.o(.rodata);
diff --git a/src/object/eyeSwitch.c b/src/object/eyeSwitch.c
new file mode 100644
index 00000000..125e68fe
--- /dev/null
+++ b/src/object/eyeSwitch.c
@@ -0,0 +1,86 @@
+#define NENT_DEPRECATED
+#include "entity.h"
+#include "hitbox.h"
+#include "flags.h"
+#include "sound.h"
+
+typedef struct {
+    Entity base;
+    u8 filler[0x8];
+    u16 unk70;
+    u8 filler2[0x12];
+    u16 eyeSwitchFlags;
+    u16 eyeSwitchFlags2;
+} EyeSwitchEntity;
+
+void sub_080886A4(EyeSwitchEntity* this);
+void sub_08088718(EyeSwitchEntity* this);
+void sub_08088760(EyeSwitchEntity* this);
+void sub_08088790(EyeSwitchEntity* this);
+void sub_080887D8(EyeSwitchEntity* this);
+
+void EyeSwitch(Entity* this) {
+    static void (*const actionFuncs[])(EyeSwitchEntity*) = {
+        sub_080886A4, sub_08088718, sub_08088760, sub_08088790, sub_080887D8,
+    };
+    actionFuncs[this->action]((EyeSwitchEntity*)this);
+}
+
+void sub_080886A4(EyeSwitchEntity* this) {
+    super->animationState = super->type & 3;
+    super->spritePriority.b0 = 6;
+    super->field_0x3c = 7;
+    super->hurtType = 0x48;
+    super->hitType = 1;
+    super->flags2 = 2;
+    super->hitbox = (Hitbox*)&gHitbox_1;
+    if (CheckFlags(this->eyeSwitchFlags)) {
+        super->action = 3;
+        InitializeAnimation(super, super->animationState + 4);
+    } else {
+        super->action = 1;
+        super->flags = super->flags | 0x80;
+        InitializeAnimation(super, super->animationState);
+    }
+}
+
+void sub_08088718(EyeSwitchEntity* this) {
+    if ((super->bitfield == 0x95 || super->bitfield == 0x8e) &&
+        (DirectionRoundUp(super->field_0x4c->direction) >> 3 == (super->animationState & 3))) {
+        super->action = 2;
+        COLLISION_OFF(super);
+        EnqueueSFX(SFX_111);
+        SetFlag(this->eyeSwitchFlags2);
+    }
+}
+
+void sub_08088760(EyeSwitchEntity* this) {
+    GetNextFrame(super);
+    if ((super->frame & 0x80) != 0) {
+        super->action = 3;
+        this->unk70 = super->actionDelay << 1;
+        InitializeAnimation(super, super->animationState + 4);
+    }
+}
+
+void sub_08088790(EyeSwitchEntity* this) {
+    if (super->actionDelay != 0) {
+        if ((this->eyeSwitchFlags2 != this->eyeSwitchFlags) && (CheckFlags(this->eyeSwitchFlags))) {
+            super->actionDelay = 0;
+        } else {
+            if (--this->unk70 == 0) {
+                super->action = 4;
+                ClearFlag(this->eyeSwitchFlags2);
+            }
+        }
+    }
+}
+
+void sub_080887D8(EyeSwitchEntity* this) {
+    GetNextFrame(super);
+    if ((super->frame & 0x80) != 0) {
+        super->action = 1;
+        COLLISION_ON(super);
+        InitializeAnimation(super, super->animationState);
+    }
+}