diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c
index 43ba32423c..017a3b4b29 100644
--- a/target/ppc/cpu_init.c
+++ b/target/ppc/cpu_init.c
@@ -710,6 +710,15 @@ static void register_603_sprs(CPUPPCState *env)
                  &spr_read_generic, &spr_write_generic,
                  0x00000000);
 
+    spr_register(env, SPR_HID0, "HID0",
+                 SPR_NOACCESS, SPR_NOACCESS,
+                 &spr_read_generic, &spr_write_generic,
+                 0x00000000);
+
+    spr_register(env, SPR_HID1, "HID1",
+                 SPR_NOACCESS, SPR_NOACCESS,
+                 &spr_read_generic, &spr_write_generic,
+                 0x00000000);
 }
 
 /* SPR specific to PowerPC G2 implementation */
@@ -3158,16 +3167,6 @@ static void init_proc_e300(CPUPPCState *env)
     register_sdr1_sprs(env);
     register_603_sprs(env);
     /* hardware implementation registers */
-    spr_register(env, SPR_HID0, "HID0",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_generic, &spr_write_generic,
-                 0x00000000);
-
-    spr_register(env, SPR_HID1, "HID1",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_generic, &spr_write_generic,
-                 0x00000000);
-
     spr_register(env, SPR_HID2, "HID2",
                  SPR_NOACCESS, SPR_NOACCESS,
                  &spr_read_generic, &spr_write_generic,
@@ -3714,16 +3713,7 @@ static void init_proc_603(CPUPPCState *env)
     register_ne_601_sprs(env);
     register_sdr1_sprs(env);
     register_603_sprs(env);
-    /* hardware implementation registers */
-    spr_register(env, SPR_HID0, "HID0",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_generic, &spr_write_generic,
-                 0x00000000);
 
-    spr_register(env, SPR_HID1, "HID1",
-                 SPR_NOACCESS, SPR_NOACCESS,
-                 &spr_read_generic, &spr_write_generic,
-                 0x00000000);
     /* Memory management */
     register_low_BATs(env);
     register_6xx_7xx_soft_tlb(env, 64, 2);