Index: firmware/source/sys_mpu.asm
===================================================================
diff -u -reff7b1575f008f81b29ef906f6346fac6012d3ab -rd2dfbe0338029375e84218c3f090f1971d9878ae
--- firmware/source/sys_mpu.asm	(.../sys_mpu.asm)	(revision eff7b1575f008f81b29ef906f6346fac6012d3ab)
+++ firmware/source/sys_mpu.asm	(.../sys_mpu.asm)	(revision d2dfbe0338029375e84218c3f090f1971d9878ae)
@@ -181,16 +181,6 @@
         mcr   p15, #0,    r0, c6, c1, #2
 
 
-        ; Enable mpu background region
-        mrc   p15, #0, r0,      c1, c0, #0
-        orr   r0,  r0, #0x20000
-        mcr   p15, #0, r0,      c1, c0, #0
-        ; Enable mpu
-        mrc   p15, #0, r0, c1, c0, #0
-        orr   r0,  r0, #1
-        dsb
-        mcr   p15, #0, r0, c1, c0, #0
-        isb
         bx    lr
 
 r1Base  .word 0x00000000