diff --git a/asm/include/main_02001A30.inc b/asm/include/main_02001A30.inc
deleted file mode 100644
index 3f59c932..00000000
--- a/asm/include/main_02001A30.inc
+++ /dev/null
@@ -1,2 +0,0 @@
-#pragma once
-
diff --git a/asm/include/overlay_03_0233CA98.inc b/asm/include/overlay_03_0233CA98.inc
index d851ffc8..eedd7d57 100644
--- a/asm/include/overlay_03_0233CA98.inc
+++ b/asm/include/overlay_03_0233CA98.inc
@@ -194,6 +194,7 @@
 .public RandInt
 .public RollRandomItemReward
 .public SetQuestionMarks
+.public SetWindowTitle
 .public ShowKeyboard
 .public StrcpyName
 .public StringFromId
@@ -210,7 +211,6 @@
 .public sub_0202836C
 .public sub_02029F88
 .public sub_02029FBC
-.public sub_02030A2C
 .public sub_02037468
 .public sub_02037570
 .public sub_020376EC
diff --git a/asm/include/overlay_11_022EE5E4.inc b/asm/include/overlay_11_022EE5E4.inc
index a13620f8..70d44c92 100644
--- a/asm/include/overlay_11_022EE5E4.inc
+++ b/asm/include/overlay_11_022EE5E4.inc
@@ -785,6 +785,7 @@
 .public SetNewFriendActor
 .public SetParentMenuState7
 .public SetSpriteIdForAnimationControl
+.public SetWindowTitle
 .public ShowDialogueBox
 .public ShowKeyboard
 .public ShowStringIdInDialogueBox
@@ -871,7 +872,6 @@
 .public sub_0202F3F8
 .public sub_0202F954
 .public sub_020307EC
-.public sub_02030A2C
 .public sub_02034840
 .public sub_0203559C
 .public sub_02035CE4
diff --git a/asm/include/overlay_31_023838E4.inc b/asm/include/overlay_31_023838E4.inc
index 2942e128..b08f6894 100644
--- a/asm/include/overlay_31_023838E4.inc
+++ b/asm/include/overlay_31_023838E4.inc
@@ -234,6 +234,7 @@
 .public SetAdvancedTextBoxState5
 .public SetMonsterActionFields
 .public SetPreprocessorArgsIdVal
+.public SetWindowTitle
 .public ShowStringInDialogueBox
 .public SortItemsInBag
 .public SpecificRecruitCheck
@@ -253,7 +254,6 @@
 .public sub_0202F474
 .public sub_0202F954
 .public sub_020307EC
-.public sub_02030A2C
 .public sub_0203F150
 .public sub_0203F398
 .public sub_0203F990
diff --git a/asm/main_02001A30.s b/asm/main_02001A30.s
deleted file mode 100644
index f2d576cd..00000000
--- a/asm/main_02001A30.s
+++ /dev/null
@@ -1,18 +0,0 @@
-	.include "asm/macros.inc"
-	.include "main_02001A30.inc"
-
-	.text
-
-; https://decomp.me/scratch/bOtSO
-	arm_func_start UFixedPoint64CmpLt
-UFixedPoint64CmpLt: ; 0x02001A30
-	cmp r0, r2
-	movlo r0, #1
-	bxlo lr
-	movhi r0, #0
-	bxhi lr
-	cmp r1, r3
-	movlo r0, #1
-	movhs r0, #0
-	bx lr
-	arm_func_end UFixedPoint64CmpLt
diff --git a/asm/main_0202A3E4.s b/asm/main_0202A3E4.s
index 7d9e6a72..9189010c 100644
--- a/asm/main_0202A3E4.s
+++ b/asm/main_0202A3E4.s
@@ -7769,14 +7769,14 @@ GetWindowIdPageStart: ; 0x02030A18
 	ldmia sp!, {r3, pc}
 	arm_func_end GetWindowIdPageStart
 
-	arm_func_start sub_02030A2C
-sub_02030A2C: ; 0x02030A2C
+	arm_func_start SetWindowTitle
+SetWindowTitle: ; 0x02030A2C
 	stmdb sp!, {r4, lr}
 	mov r4, r1
 	bl GetWindowContents
 	strh r4, [r0, #0x20]
 	ldmia sp!, {r4, pc}
-	arm_func_end sub_02030A2C
+	arm_func_end SetWindowTitle
 
 	arm_func_start GetAdvancedTextBoxFlags2
 GetAdvancedTextBoxFlags2: ; 0x02030A40
diff --git a/asm/overlay_03_0233CA98.s b/asm/overlay_03_0233CA98.s
index 3f334662..48ffb97a 100644
--- a/asm/overlay_03_0233CA98.s
+++ b/asm/overlay_03_0233CA98.s
@@ -9229,7 +9229,7 @@ ov03_02344970: ; 0x02344970
 	mov r1, r0, lsl #0x10
 	mov r0, r4
 	mov r1, r1, lsr #0x10
-	bl sub_02030A2C
+	bl SetWindowTitle
 #if defined(EUROPE)
 	add r0, r5, #0x5c
 	add r0, r0, #0x3c00
diff --git a/asm/overlay_11_022EE5E4.s b/asm/overlay_11_022EE5E4.s
index e530962e..cb442fdd 100644
--- a/asm/overlay_11_022EE5E4.s
+++ b/asm/overlay_11_022EE5E4.s
@@ -34084,7 +34084,7 @@ ov11_0230A2D0: ; 0x0230A2D0
 	mov r1, r4, lsl #3
 	ldrh r1, [r0, r1]
 	mov r0, r5
-	bl sub_02030A2C
+	bl SetWindowTitle
 #if defined(EUROPE)
 	add r0, r4, #0xc3
 	add r0, r0, #0x3f00
diff --git a/asm/overlay_31_023838E4.s b/asm/overlay_31_023838E4.s
index ea845a59..71e9ef27 100644
--- a/asm/overlay_31_023838E4.s
+++ b/asm/overlay_31_023838E4.s
@@ -6911,7 +6911,7 @@ DrawDungeonHintContents: ; 0x023891A8
 	mov r1, r4, lsl #3
 	ldrh r1, [r0, r1]
 	mov r0, r5
-	bl sub_02030A2C
+	bl SetWindowTitle
 #if defined(EUROPE)
 	add r0, r4, #0xb2
 	add r0, r0, #0x3f00
diff --git a/include/main_020018D0.h b/include/main_020018D0.h
index 253ac59a..7cf5cb6f 100644
--- a/include/main_020018D0.h
+++ b/include/main_020018D0.h
@@ -3,5 +3,6 @@
 
 s32 SinAbs4096(s32 x);
 s32 CosAbs4096(s32 x);
+BOOL UFixedPoint64CmpLt(u32 a_hi, u32 a_lo, u32 b_hi, u32 b_lo);
 
 #endif //PMDSKY_MAIN_020018D0_H
diff --git a/main.lsf b/main.lsf
index 34be38c6..126f22ee 100644
--- a/main.lsf
+++ b/main.lsf
@@ -17,7 +17,6 @@ Static main
 	Object src/main_02001894.o
 	Object asm/main_020018A4.o
 	Object src/main_020018D0.o
-	Object asm/main_02001A30.o
 	Object src/main_02001A54.o
 	Object asm/main_02001B0C.o
 	Object src/main_02001BB4.o
diff --git a/src/main_020018D0.c b/src/main_020018D0.c
index 8b37bc75..8f90c44c 100644
--- a/src/main_020018D0.c
+++ b/src/main_020018D0.c
@@ -36,3 +36,14 @@ s32 CosAbs4096(s32 x)
             return 0;
     }
 }
+
+BOOL UFixedPoint64CmpLt(u32 a_hi, u32 a_lo, u32 b_hi, u32 b_lo)
+{
+    if (a_hi < b_hi) {
+        return TRUE;
+    }
+    if (a_hi > b_hi) {
+        return FALSE;
+    }
+    return a_lo < b_lo;
+}
diff --git a/src/main_02001BB4.c b/src/main_02001BB4.c
index 8032a27b..f5d3a288 100644
--- a/src/main_02001BB4.c
+++ b/src/main_02001BB4.c
@@ -1,7 +1,6 @@
+#include "main_020018D0.h"
 #include "main_02001BB4.h"
 
-extern s32 UFixedPoint64CmpLt(s32, u32, s32, u32);
-
 u32 sub_02001BB4(s32 x, s32 y)
 {
     u32 var_r4;
diff --git a/tools/sync_pmdsky_debug/symbol_details.py b/tools/sync_pmdsky_debug/symbol_details.py
index 71f5b3aa..ae8210d5 100644
--- a/tools/sync_pmdsky_debug/symbol_details.py
+++ b/tools/sync_pmdsky_debug/symbol_details.py
@@ -31,7 +31,13 @@ NONMATCHING_SYMBOLS_ARM9 = {
     'CTRDGi_RestoreAccessCycle': 'Ctrdgi_RestoreAccessCycle',
     'CTRDGi_SendtoPxi': 'Ctrdgi_SendtoPxi',
     'CTRDGi_UnlockByProcessor': 'Ctrdgi_UnlockByProcessor',
+    'DGT_Hash2GetDigest': 'Dgt_Hash2GetDigest',
+    'DGT_Hash2Reset': 'Dgt_Hash2Reset',
+    'DGT_Hash2SetSource': 'Dgt_Hash2SetSource',
     'disableBankForX_': 'DisableBankForX',
+    'FifoCtrlInit': 'FIFO_CTRL_INIT',
+    'fsi_arc_rom': 'FSI_ARC_ROM',
+    'fsi_digest_key_len': 'FSI_DIGEST_KEY_LEN',
     'FX_AtanIdxTable_': 'FX_ATAN_IDX_TABLE',
     'G2x_ChangeBlendBrightness_': 'G2x_ChangeBlendBrightness',
     'G2x_SetBlendAlpha_': 'G2x_SetBlendAlpha',
@@ -132,7 +138,9 @@ NONMATCHING_SYMBOLS_ARM9 = {
     'PXI_SetFifoRecvCallback': 'Pxi_SetFifoRecvCallback',
     'PXIi_HandlerRecvFifoNotEmpty': 'Pxii_HandlerRecvFifoNotEmpty',
     'resetBankForX_': 'EnableVramBanksInSet',
+    'sCallbackTable': 'CALLBACK_TABLE',
     'sClrImg': 'CLR_IMG',
+    'sDayOfYear': 'DAY_OF_YEAR',
     'sDispMode': 'DISP_MODE',
     'sIsDispOn': 'IS_DISP_ON',
     'SND_CommandInit': 'Snd_CommandInit',
@@ -153,14 +161,6 @@ NONMATCHING_SYMBOLS_ARM9 = {
     'VEC_DotProduct': 'Vec_DotProduct',
     'VEC_Normalize': 'Vec_Normalize',
     'VolumeTable': 'VOLUME_TABLE',
-    'DGT_Hash2GetDigest': 'Dgt_Hash2GetDigest',
-    'DGT_Hash2Reset': 'Dgt_Hash2Reset',
-    'DGT_Hash2SetSource': 'Dgt_Hash2SetSource',
-    'fsi_digest_key_len': 'FSI_DIGEST_KEY_LEN',
-    'sDayOfYear': 'DAY_OF_YEAR',
-    'FifoCtrlInit': 'FIFO_CTRL_INIT',
-    'fsi_arc_rom': 'FSI_ARC_ROM',
-    'sCallbackTable': 'CALLBACK_TABLE',
 }
 
 NONMATCHING_SYMBOLS_ARM7 = {