diff --git a/Makefile b/Makefile
index 9e1c222..e7ad809 100644
--- a/Makefile
+++ b/Makefile
@@ -47,10 +47,6 @@ bin/driver.bin: bin obj/driver.o
 
 bin/rom.bin: baserom.bin RDisk1M5-6.dsk bin bin/driver.bin obj/driver_abs.sym obj/entry_rel.sym 
 	cp baserom.bin $@ # Copy base rom
-	# Patch boot
-	printf '\x4E' | dd of=$@ bs=1 seek=5888 count=1 conv=notrunc # Copy JSR opcode into IsFloppy boot routine
-	printf '\xF9' | dd of=$@ bs=1 seek=5889 count=1 conv=notrunc # Copy JSR opcode second byte
-	cat obj/driver_abs.sym | grep "BootCheckEntry" | cut -c1-8 | xxd -r -p - | dd of=$@ bs=1 seek=5890 count=4 conv=notrunc
 	# Patch driver
 	dd if=bin/driver.bin of=$@ bs=1 seek=335248 skip=32 conv=notrunc # Copy driver code
 	printf '\x78' | dd of=$@ bs=1 seek=335168 count=1 conv=notrunc # Set resource flags
diff --git a/entry.s b/entry.s
index d8caacc..f795239 100644
--- a/entry.s
+++ b/entry.s
@@ -7,25 +7,9 @@
 
 dc.l	0x00000000, 0x00000000, 0x00000000, 0x00000000
 dc.l	0x00000000, 0x00000000, 0x00000000, 0x00000000
-.ascii	"\9GWROMDisk\0"
+.ascii	"\RDisk\0"
 .align 4
 
-BootCheckEntry:
-	* Boot if reference number == -5
-	cmp 		#-5, 8(%A2)
-	beq.b 		BootCheckRet
-	* Otherwise don't boot if reference number != -50
-	cmp			#-50, 8(%A2)
-	bne.b		BootCheckRet
-	* Call to check PRAM
-	movem.l		%A0-%A7/%D0-%D7, -(%SP)
-	jsr			RDiskBootCheckPRAM
-	cmp			#0, %D0
-	movem.l		(%SP)+, %A0-%A7/%D0-%D7
-BootCheckRet:
-	rts
-	jmp BootCheckEntry
-
 DOpen:
 	movem.l		%A0-%A1, -(%SP)
 	bsr			RDiskOpen