diff --git a/target-ppc/cpu-models.c b/target-ppc/cpu-models.c
index 901cf400331bfec564c95c1106c9aae87db750c7..506dee1ee870fdadae6e0a8323342f1dd84d8e0f 100644
--- a/target-ppc/cpu-models.c
+++ b/target-ppc/cpu-models.c
@@ -1130,10 +1130,6 @@
 #if defined(TODO)
     POWERPC_DEF("POWER6",        CPU_POWERPC_POWER6,                 POWER6,
                 "POWER6")
-    POWERPC_DEF("POWER6_5",      CPU_POWERPC_POWER6_5,               POWER5,
-                "POWER6 running in POWER5 mode")
-    POWERPC_DEF("POWER6A",       CPU_POWERPC_POWER6A,                POWER6,
-                "POWER6A")
 #endif
     POWERPC_DEF("POWER7_v2.3",   CPU_POWERPC_POWER7_v23,             POWER7,
                 "POWER7 v2.3")
diff --git a/target-ppc/cpu-models.h b/target-ppc/cpu-models.h
index 7d9e6a2ca0cf8aa91fe2f479eea2923c4f7092c3..aafbbd7d5d998fcd7784769865f96854fa635961 100644
--- a/target-ppc/cpu-models.h
+++ b/target-ppc/cpu-models.h
@@ -549,8 +549,6 @@ enum {
     CPU_POWERPC_POWER5             = 0x003A0203,
     CPU_POWERPC_POWER5P_v21        = 0x003B0201,
     CPU_POWERPC_POWER6             = 0x003E0000,
-    CPU_POWERPC_POWER6_5           = 0x0F000001, /* POWER6 in POWER5 mode */
-    CPU_POWERPC_POWER6A            = 0x0F000002,
     CPU_POWERPC_POWER_SERVER_MASK  = 0xFFFF0000,
     CPU_POWERPC_POWER7_BASE        = 0x003F0000,
     CPU_POWERPC_POWER7_v23         = 0x003F0203,