diff --git a/asm/non_matching/common/sub_0801D898.inc b/asm/non_matching/common/sub_0801D898.inc
deleted file mode 100644
index 571024f1..00000000
--- a/asm/non_matching/common/sub_0801D898.inc
+++ /dev/null
@@ -1,39 +0,0 @@
-    .syntax unified
-	push {r4, r5, r6, r7, lr}
-	adds r5, r0, #0
-	adds r4, r1, #0
-	adds r6, r2, #0
-	movs r0, #0x80
-	lsls r0, r0, #8
-	ands r0, r3
-	movs r1, #0x20
-	mov ip, r1
-	cmp r0, #0
-	beq _0801D8B2
-	movs r0, #0x40
-	mov ip, r0
-_0801D8B2:
-	ldr r0, _0801D8D8 @ =0x00007FFF
-	ands r3, r0
-	ldr r1, _0801D8DC @ =0x040000D4
-	movs r2, #0x80
-	lsls r2, r2, #0x18
-	orrs r2, r6
-	lsls r7, r6, #1
-	mov r0, ip
-	lsls r6, r0, #1
-_0801D8C4:
-	str r4, [r1]
-	str r5, [r1, #4]
-	str r2, [r1, #8]
-	ldr r0, [r1, #8]
-	adds r4, r4, r7
-	adds r5, r5, r6
-	subs r3, #1
-	cmp r3, #0
-	bne _0801D8C4
-	pop {r4, r5, r6, r7, pc}
-	.align 2, 0
-_0801D8D8: .4byte 0x00007FFF
-_0801D8DC: .4byte 0x040000D4
-    .syntax divided
diff --git a/src/common.c b/src/common.c
index a7f10150..28560dca 100644
--- a/src/common.c
+++ b/src/common.c
@@ -309,7 +309,7 @@ void LoadGfxGroup(u32 group) {
 }
 
 // regalloc
-NONMATCH("asm/non_matching/common/sub_0801D898.inc", void sub_0801D898(void* dest, void* src, u32 word, u32 size)) {
+void sub_0801D898(void* dest, void* src, u32 word, u32 size) {
     u32 v6;
     u32 i;
 
@@ -318,13 +318,12 @@ NONMATCH("asm/non_matching/common/sub_0801D898.inc", void sub_0801D898(void* des
     else
         v6 = 0x20;
 
-    i = size & ~0x8000;
+    size &= (short)~0x8000;
     do {
         DmaSet(3, src, dest, word | 0x80000000) src += word * 2;
         dest += v6 * 2;
-    } while (--i);
+    } while (--size);
 }
-END_NONMATCH
 
 ASM_FUNC("asm/non_matching/common/zMalloc.inc", void* zMalloc(u32 size));