diff --git a/Makefile b/Makefile
index a04b0a4a2..5fb903c76 100644
--- a/Makefile
+++ b/Makefile
@@ -70,6 +70,7 @@ $(B_DIR)/lib/ultra/io/contpfs.o: LOOPUNROLL :=
 $(B_DIR)/lib/ultra/io/contramread.o: LOOPUNROLL :=
 $(B_DIR)/lib/ultra/io/contramwrite.o: LOOPUNROLL :=
 $(B_DIR)/lib/ultra/io/pfschecker.o: LOOPUNROLL :=
+$(B_DIR)/lib/ultra/io/pfsfreeblocks.o: LOOPUNROLL :=
 $(B_DIR)/lib/ultra/io/pfsgetstatus.o: LOOPUNROLL :=
 
 $(B_DIR)/lib/ultra/libc/ll.o: MIPSISET := -mips3 -o32
diff --git a/ld/libfiles.ntsc-beta.inc b/ld/libfiles.ntsc-beta.inc
index b58a9bbb5..32a06d81b 100644
--- a/ld/libfiles.ntsc-beta.inc
+++ b/ld/libfiles.ntsc-beta.inc
@@ -165,7 +165,7 @@
 	build/ROMID/lib/ultra/io/contpfs.o (section); \
 	build/ROMID/lib/lib_4cc10.o (section); \
 	build/ROMID/lib/ultra/io/pfsselectbank.o (section); \
-	build/ROMID/lib/lib_4ce60.o (section); \
+	build/ROMID/lib/ultra/io/pfsfreeblocks.o (section); \
 	build/ROMID/lib/lib_4d000.o (section); \
 	build/ROMID/lib/lib_4d480.o (section); \
 	build/ROMID/lib/ultra/io/siacs.o (section); \
diff --git a/ld/libfiles.ntsc-final.inc b/ld/libfiles.ntsc-final.inc
index cc1d4ff34..894b8ed8f 100644
--- a/ld/libfiles.ntsc-final.inc
+++ b/ld/libfiles.ntsc-final.inc
@@ -164,7 +164,7 @@
 	build/ROMID/lib/ultra/io/contpfs.o (section); \
 	build/ROMID/lib/lib_4cc10.o (section); \
 	build/ROMID/lib/ultra/io/pfsselectbank.o (section); \
-	build/ROMID/lib/lib_4ce60.o (section); \
+	build/ROMID/lib/ultra/io/pfsfreeblocks.o (section); \
 	build/ROMID/lib/lib_4d000.o (section); \
 	build/ROMID/lib/lib_4d480.o (section); \
 	build/ROMID/lib/ultra/io/pfschecker.o (section); \
diff --git a/ld/libfiles.pal-final.inc b/ld/libfiles.pal-final.inc
index e4e523199..4f898d602 100644
--- a/ld/libfiles.pal-final.inc
+++ b/ld/libfiles.pal-final.inc
@@ -163,7 +163,7 @@
 	build/ROMID/lib/ultra/io/contpfs.o (section); \
 	build/ROMID/lib/lib_4cc10.o (section); \
 	build/ROMID/lib/ultra/io/pfsselectbank.o (section); \
-	build/ROMID/lib/lib_4ce60.o (section); \
+	build/ROMID/lib/ultra/io/pfsfreeblocks.o (section); \
 	build/ROMID/lib/lib_4d000.o (section); \
 	build/ROMID/lib/lib_4d480.o (section); \
 	build/ROMID/lib/ultra/io/pfschecker.o (section); \
diff --git a/src/game/pak/pak.c b/src/game/pak/pak.c
index 1bf75e216..664007774 100644
--- a/src/game/pak/pak.c
+++ b/src/game/pak/pak.c
@@ -16,7 +16,6 @@
 #include "lib/memory.h"
 #include "lib/rng.h"
 #include "lib/lib_4cc10.h"
-#include "lib/lib_4ce60.h"
 #include "lib/lib_4d000.h"
 #include "lib/lib_4d480.h"
 #include "lib/lib_4e090.h"
@@ -1669,7 +1668,7 @@ s32 func0f117c80(OSPfs *pfs, s32 *arg1)
 		joy000150e8(1337, "pak.c");
 #endif
 
-		result = func0004ce60(pfs, arg1);
+		result = osPfsFreeBlocks(pfs, arg1);
 
 #if VERSION >= VERSION_NTSC_1_0
 		joy00015144();
diff --git a/src/include/PR/os_pfs.h b/src/include/PR/os_pfs.h
index 4a912a284..50e4c9313 100644
--- a/src/include/PR/os_pfs.h
+++ b/src/include/PR/os_pfs.h
@@ -94,10 +94,12 @@ typedef struct {
 
 #define PFS_FILE_NAME_LEN       16
 #define PFS_FILE_EXT_LEN        4
-#define BLOCKSIZE		32		/* bytes */
-#define PFS_ONE_PAGE            8		/* blocks */
-#define PFS_MAX_BANKS		62
-#define PFS_LABEL_AREA 7
+#define BLOCKSIZE               32  /* bytes  */
+#define PFS_ONE_PAGE            8   /* blocks */
+#define PFS_MAX_BANKS           62
+#define PFS_LABEL_AREA          7
+#define PFS_INODE_SIZE_PER_PAGE 128
+#define PFS_PAGE_NOT_USED       3
 
 #define PFS_READ                0
 #define PFS_WRITE               1
diff --git a/src/include/lib/lib_4ce60.h b/src/include/lib/lib_4ce60.h
deleted file mode 100644
index 2b195f6b4..000000000
--- a/src/include/lib/lib_4ce60.h
+++ /dev/null
@@ -1,9 +0,0 @@
-#ifndef _IN_LIB_LIB_4CE60_H
-#define _IN_LIB_LIB_4CE60_H
-#include <ultra64.h>
-#include "data.h"
-#include "types.h"
-
-s32 func0004ce60(OSPfs *pfs, s32 *arg1);
-
-#endif
diff --git a/src/lib/lib_06550.c b/src/lib/lib_06550.c
index d57369dfd..216038ab7 100644
--- a/src/lib/lib_06550.c
+++ b/src/lib/lib_06550.c
@@ -5,7 +5,6 @@
 #include "lib/lib_06550.h"
 #include "lib/lib_4b170.h"
 #include "lib/lib_4cc10.h"
-#include "lib/lib_4ce60.h"
 #include "lib/lib_4d000.h"
 #include "lib/lib_4d480.h"
 #include "lib/lib_4e090.h"
@@ -208,7 +207,7 @@ glabel func00006550
 /*     67fc:	0123082a */ 	slt	$at,$t1,$v1
 /*     6800:	01e38023 */ 	subu	$s0,$t7,$v1
 /*     6804:	02008825 */ 	or	$s1,$s0,$zero
-/*     6808:	0c013398 */ 	jal	func0004ce60
+/*     6808:	0c013398 */ 	jal	osPfsFreeBlocks
 /*     680c:	02a02025 */ 	or	$a0,$s5,$zero
 /*     6810:	8fb8008c */ 	lw	$t8,0x8c($sp)
 /*     6814:	32d200ff */ 	andi	$s2,$s6,0xff
diff --git a/src/lib/lib_4ce60.c b/src/lib/lib_4ce60.c
deleted file mode 100644
index 686a837f1..000000000
--- a/src/lib/lib_4ce60.c
+++ /dev/null
@@ -1,129 +0,0 @@
-#include <ultra64.h>
-#include "libultra_internal.h"
-#include "constants.h"
-#include "bss.h"
-#include "data.h"
-#include "types.h"
-
-GLOBAL_ASM(
-glabel func0004ce60
-/*    4ce60:	27bdfeb0 */ 	addiu	$sp,$sp,-336
-/*    4ce64:	afbf002c */ 	sw	$ra,0x2c($sp)
-/*    4ce68:	afb50028 */ 	sw	$s5,0x28($sp)
-/*    4ce6c:	afb40024 */ 	sw	$s4,0x24($sp)
-/*    4ce70:	afb30020 */ 	sw	$s3,0x20($sp)
-/*    4ce74:	afb2001c */ 	sw	$s2,0x1c($sp)
-/*    4ce78:	afb10018 */ 	sw	$s1,0x18($sp)
-/*    4ce7c:	afb00014 */ 	sw	$s0,0x14($sp)
-/*    4ce80:	afa50154 */ 	sw	$a1,0x154($sp)
-/*    4ce84:	8c8e0000 */ 	lw	$t6,0x0($a0)
-/*    4ce88:	0080a025 */ 	or	$s4,$a0,$zero
-/*    4ce8c:	00008025 */ 	or	$s0,$zero,$zero
-/*    4ce90:	31cf0001 */ 	andi	$t7,$t6,0x1
-/*    4ce94:	15e00003 */ 	bnez	$t7,.L0004cea4
-/*    4ce98:	00000000 */ 	nop
-/*    4ce9c:	1000004d */ 	b	.L0004cfd4
-/*    4cea0:	24020005 */ 	addiu	$v0,$zero,0x5
-.L0004cea4:
-/*    4cea4:	0c013218 */ 	jal	__osCheckId
-/*    4cea8:	02802025 */ 	or	$a0,$s4,$zero
-/*    4ceac:	50400004 */ 	beqzl	$v0,.L0004cec0
-/*    4ceb0:	92980064 */ 	lbu	$t8,0x64($s4)
-/*    4ceb4:	10000048 */ 	b	.L0004cfd8
-/*    4ceb8:	8fbf002c */ 	lw	$ra,0x2c($sp)
-/*    4cebc:	92980064 */ 	lbu	$t8,0x64($s4)
-.L0004cec0:
-/*    4cec0:	00009825 */ 	or	$s3,$zero,$zero
-/*    4cec4:	24150080 */ 	addiu	$s5,$zero,0x80
-/*    4cec8:	1b00003e */ 	blez	$t8,.L0004cfc4
-/*    4cecc:	27b20148 */ 	addiu	$s2,$sp,0x148
-/*    4ced0:	24110003 */ 	addiu	$s1,$zero,0x3
-.L0004ced4:
-/*    4ced4:	02802025 */ 	or	$a0,$s4,$zero
-/*    4ced8:	27a50048 */ 	addiu	$a1,$sp,0x48
-/*    4cedc:	00003025 */ 	or	$a2,$zero,$zero
-/*    4cee0:	0c01324d */ 	jal	__osPfsRWInode
-/*    4cee4:	326700ff */ 	andi	$a3,$s3,0xff
-/*    4cee8:	10400003 */ 	beqz	$v0,.L0004cef8
-/*    4ceec:	00000000 */ 	nop
-/*    4cef0:	10000039 */ 	b	.L0004cfd8
-/*    4cef4:	8fbf002c */ 	lw	$ra,0x2c($sp)
-.L0004cef8:
-/*    4cef8:	5a600004 */ 	blezl	$s3,.L0004cf0c
-/*    4cefc:	8e850060 */ 	lw	$a1,0x60($s4)
-/*    4cf00:	10000002 */ 	b	.L0004cf0c
-/*    4cf04:	24050001 */ 	addiu	$a1,$zero,0x1
-/*    4cf08:	8e850060 */ 	lw	$a1,0x60($s4)
-.L0004cf0c:
-/*    4cf0c:	28a10080 */ 	slti	$at,$a1,0x80
-/*    4cf10:	10200026 */ 	beqz	$at,.L0004cfac
-/*    4cf14:	00a01825 */ 	or	$v1,$a1,$zero
-/*    4cf18:	02a53023 */ 	subu	$a2,$s5,$a1
-/*    4cf1c:	30d90003 */ 	andi	$t9,$a2,0x3
-/*    4cf20:	1320000c */ 	beqz	$t9,.L0004cf54
-/*    4cf24:	03252021 */ 	addu	$a0,$t9,$a1
-/*    4cf28:	00054040 */ 	sll	$t0,$a1,0x1
-/*    4cf2c:	27a90048 */ 	addiu	$t1,$sp,0x48
-/*    4cf30:	01091021 */ 	addu	$v0,$t0,$t1
-.L0004cf34:
-/*    4cf34:	944a0000 */ 	lhu	$t2,0x0($v0)
-/*    4cf38:	24630001 */ 	addiu	$v1,$v1,0x1
-/*    4cf3c:	162a0002 */ 	bne	$s1,$t2,.L0004cf48
-/*    4cf40:	00000000 */ 	nop
-/*    4cf44:	26100001 */ 	addiu	$s0,$s0,0x1
-.L0004cf48:
-/*    4cf48:	1483fffa */ 	bne	$a0,$v1,.L0004cf34
-/*    4cf4c:	24420002 */ 	addiu	$v0,$v0,0x2
-/*    4cf50:	10750016 */ 	beq	$v1,$s5,.L0004cfac
-.L0004cf54:
-/*    4cf54:	00035840 */ 	sll	$t3,$v1,0x1
-/*    4cf58:	27ac0048 */ 	addiu	$t4,$sp,0x48
-/*    4cf5c:	016c1021 */ 	addu	$v0,$t3,$t4
-/*    4cf60:	944d0000 */ 	lhu	$t5,0x0($v0)
-.L0004cf64:
-/*    4cf64:	562d0003 */ 	bnel	$s1,$t5,.L0004cf74
-/*    4cf68:	944e0002 */ 	lhu	$t6,0x2($v0)
-/*    4cf6c:	26100001 */ 	addiu	$s0,$s0,0x1
-/*    4cf70:	944e0002 */ 	lhu	$t6,0x2($v0)
-.L0004cf74:
-/*    4cf74:	562e0003 */ 	bnel	$s1,$t6,.L0004cf84
-/*    4cf78:	944f0004 */ 	lhu	$t7,0x4($v0)
-/*    4cf7c:	26100001 */ 	addiu	$s0,$s0,0x1
-/*    4cf80:	944f0004 */ 	lhu	$t7,0x4($v0)
-.L0004cf84:
-/*    4cf84:	562f0003 */ 	bnel	$s1,$t7,.L0004cf94
-/*    4cf88:	94580006 */ 	lhu	$t8,0x6($v0)
-/*    4cf8c:	26100001 */ 	addiu	$s0,$s0,0x1
-/*    4cf90:	94580006 */ 	lhu	$t8,0x6($v0)
-.L0004cf94:
-/*    4cf94:	24420008 */ 	addiu	$v0,$v0,0x8
-/*    4cf98:	16380002 */ 	bne	$s1,$t8,.L0004cfa4
-/*    4cf9c:	00000000 */ 	nop
-/*    4cfa0:	26100001 */ 	addiu	$s0,$s0,0x1
-.L0004cfa4:
-/*    4cfa4:	5452ffef */ 	bnel	$v0,$s2,.L0004cf64
-/*    4cfa8:	944d0000 */ 	lhu	$t5,0x0($v0)
-.L0004cfac:
-/*    4cfac:	92880064 */ 	lbu	$t0,0x64($s4)
-/*    4cfb0:	26730001 */ 	addiu	$s3,$s3,0x1
-/*    4cfb4:	327900ff */ 	andi	$t9,$s3,0xff
-/*    4cfb8:	0328082a */ 	slt	$at,$t9,$t0
-/*    4cfbc:	1420ffc5 */ 	bnez	$at,.L0004ced4
-/*    4cfc0:	03209825 */ 	or	$s3,$t9,$zero
-.L0004cfc4:
-/*    4cfc4:	8faa0154 */ 	lw	$t2,0x154($sp)
-/*    4cfc8:	00104a00 */ 	sll	$t1,$s0,0x8
-/*    4cfcc:	00001025 */ 	or	$v0,$zero,$zero
-/*    4cfd0:	ad490000 */ 	sw	$t1,0x0($t2)
-.L0004cfd4:
-/*    4cfd4:	8fbf002c */ 	lw	$ra,0x2c($sp)
-.L0004cfd8:
-/*    4cfd8:	8fb00014 */ 	lw	$s0,0x14($sp)
-/*    4cfdc:	8fb10018 */ 	lw	$s1,0x18($sp)
-/*    4cfe0:	8fb2001c */ 	lw	$s2,0x1c($sp)
-/*    4cfe4:	8fb30020 */ 	lw	$s3,0x20($sp)
-/*    4cfe8:	8fb40024 */ 	lw	$s4,0x24($sp)
-/*    4cfec:	8fb50028 */ 	lw	$s5,0x28($sp)
-/*    4cff0:	03e00008 */ 	jr	$ra
-/*    4cff4:	27bd0150 */ 	addiu	$sp,$sp,0x150
-);
diff --git a/src/lib/lib_4d000.c b/src/lib/lib_4d000.c
index 7cf334f6c..124b84f66 100644
--- a/src/lib/lib_4d000.c
+++ b/src/lib/lib_4d000.c
@@ -4,7 +4,6 @@
 #include "bss.h"
 #include "lib/lib_4b170.h"
 #include "lib/lib_4cc10.h"
-#include "lib/lib_4ce60.h"
 #include "lib/lib_4d000.h"
 #include "data.h"
 #include "types.h"
@@ -70,7 +69,7 @@ glabel func0004d000
 /*    4d0cc:	1000008e */ 	b	.L0004d308
 /*    4d0d0:	24020009 */ 	addiu	$v0,$zero,0x9
 .L0004d0d4:
-/*    4d0d4:	0c013398 */ 	jal	func0004ce60
+/*    4d0d4:	0c013398 */ 	jal	osPfsFreeBlocks
 /*    4d0d8:	27a50054 */ 	addiu	$a1,$sp,0x54
 /*    4d0dc:	8faa0054 */ 	lw	$t2,0x54($sp)
 /*    4d0e0:	0151082a */ 	slt	$at,$t2,$s1
diff --git a/src/lib/ultra/io/pfsfreeblocks.c b/src/lib/ultra/io/pfsfreeblocks.c
new file mode 100644
index 000000000..88cc28a3e
--- /dev/null
+++ b/src/lib/ultra/io/pfsfreeblocks.c
@@ -0,0 +1,42 @@
+#include <ultra64.h>
+#include "libultra_internal.h"
+#include "constants.h"
+#include "bss.h"
+#include "data.h"
+#include "types.h"
+
+s32 osPfsFreeBlocks(OSPfs *pfs, s32 *remaining)
+{
+	s32 j;
+	s32 pages = 0;
+	__OSInode inode;
+	s32 ret = 0;
+	u8 bank;
+	s32 offset;
+
+	if (!(pfs->status & PFS_INITIALIZED)) {
+		return PFS_ERR_INVALID;
+	}
+
+	if ((ret = __osCheckId(pfs)) != 0) {
+		return ret;
+	}
+
+	for (bank = 0; bank < pfs->banks; bank++) {
+		if ((ret = __osPfsRWInode(pfs, &inode, PFS_READ, bank)) != 0) {
+			return ret;
+		}
+
+		offset = ((bank > 0) ? 1 : pfs->inode_start_page);
+
+		for (j = offset; j < PFS_INODE_SIZE_PER_PAGE; j++) {
+			if (inode.inode_page[j].ipage == PFS_PAGE_NOT_USED) {
+				pages++;
+			}
+		}
+	}
+
+	*remaining = pages * PFS_ONE_PAGE * BLOCKSIZE;
+
+	return 0;
+}