diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index a05bb7b..88d9dfa 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -4916,11 +4916,6 @@
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
-    /* XXX : not implemented */
-    spr_register(env, SPR_IABR, "IABR",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_generic, &spr_write_generic,
-                 0x00000000);
     /* Memory management */
     gen_low_BATs(env);
     gen_6xx_7xx_soft_tlb(env, 64, 2);