diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c
index 6695985e9b..509df35d09 100644
--- a/target/ppc/cpu_init.c
+++ b/target/ppc/cpu_init.c
@@ -5932,7 +5932,6 @@ static void init_proc_7440(CPUPPCState *env)
                  0x00000000);
     /* Memory management */
     register_low_BATs(env);
-    register_74xx_soft_tlb(env, 128, 2);
     init_excp_7450(env);
     env->dcache_line_size = 32;
     env->icache_line_size = 32;
@@ -5956,7 +5955,7 @@ POWERPC_FAMILY(7440)(ObjectClass *oc, void *data)
                        PPC_CACHE_DCBA | PPC_CACHE_DCBZ |
                        PPC_MEM_SYNC | PPC_MEM_EIEIO |
                        PPC_MEM_TLBIE | PPC_MEM_TLBSYNC |
-                       PPC_MEM_TLBIA | PPC_74xx_TLB |
+                       PPC_MEM_TLBIA |
                        PPC_SEGMENT | PPC_EXTERN |
                        PPC_ALTIVEC;
     pcc->msr_mask = (1ull << MSR_VR) |
@@ -5976,7 +5975,7 @@ POWERPC_FAMILY(7440)(ObjectClass *oc, void *data)
                     (1ull << MSR_PMM) |
                     (1ull << MSR_RI) |
                     (1ull << MSR_LE);
-    pcc->mmu_model = POWERPC_MMU_SOFT_74xx;
+    pcc->mmu_model = POWERPC_MMU_32B;
     pcc->excp_model = POWERPC_EXCP_74xx;
     pcc->bus_model = PPC_FLAGS_INPUT_6xx;
     pcc->bfd_mach = bfd_mach_ppc_7400;
@@ -6067,7 +6066,6 @@ static void init_proc_7450(CPUPPCState *env)
                  0x00000000);
     /* Memory management */
     register_low_BATs(env);
-    register_74xx_soft_tlb(env, 128, 2);
     init_excp_7450(env);
     env->dcache_line_size = 32;
     env->icache_line_size = 32;
@@ -6091,7 +6089,7 @@ POWERPC_FAMILY(7450)(ObjectClass *oc, void *data)
                        PPC_CACHE_DCBA | PPC_CACHE_DCBZ |
                        PPC_MEM_SYNC | PPC_MEM_EIEIO |
                        PPC_MEM_TLBIE | PPC_MEM_TLBSYNC |
-                       PPC_MEM_TLBIA | PPC_74xx_TLB |
+                       PPC_MEM_TLBIA |
                        PPC_SEGMENT | PPC_EXTERN |
                        PPC_ALTIVEC;
     pcc->msr_mask = (1ull << MSR_VR) |
@@ -6111,7 +6109,7 @@ POWERPC_FAMILY(7450)(ObjectClass *oc, void *data)
                     (1ull << MSR_PMM) |
                     (1ull << MSR_RI) |
                     (1ull << MSR_LE);
-    pcc->mmu_model = POWERPC_MMU_SOFT_74xx;
+    pcc->mmu_model = POWERPC_MMU_32B;
     pcc->excp_model = POWERPC_EXCP_74xx;
     pcc->bus_model = PPC_FLAGS_INPUT_6xx;
     pcc->bfd_mach = bfd_mach_ppc_7400;
@@ -6205,7 +6203,6 @@ static void init_proc_7445(CPUPPCState *env)
     /* Memory management */
     register_low_BATs(env);
     register_high_BATs(env);
-    register_74xx_soft_tlb(env, 128, 2);
     init_excp_7450(env);
     env->dcache_line_size = 32;
     env->icache_line_size = 32;
@@ -6229,7 +6226,7 @@ POWERPC_FAMILY(7445)(ObjectClass *oc, void *data)
                        PPC_CACHE_DCBA | PPC_CACHE_DCBZ |
                        PPC_MEM_SYNC | PPC_MEM_EIEIO |
                        PPC_MEM_TLBIE | PPC_MEM_TLBSYNC |
-                       PPC_MEM_TLBIA | PPC_74xx_TLB |
+                       PPC_MEM_TLBIA |
                        PPC_SEGMENT | PPC_EXTERN |
                        PPC_ALTIVEC;
     pcc->msr_mask = (1ull << MSR_VR) |
@@ -6249,7 +6246,7 @@ POWERPC_FAMILY(7445)(ObjectClass *oc, void *data)
                     (1ull << MSR_PMM) |
                     (1ull << MSR_RI) |
                     (1ull << MSR_LE);
-    pcc->mmu_model = POWERPC_MMU_SOFT_74xx;
+    pcc->mmu_model = POWERPC_MMU_32B;
     pcc->excp_model = POWERPC_EXCP_74xx;
     pcc->bus_model = PPC_FLAGS_INPUT_6xx;
     pcc->bfd_mach = bfd_mach_ppc_7400;
@@ -6345,7 +6342,6 @@ static void init_proc_7455(CPUPPCState *env)
     /* Memory management */
     register_low_BATs(env);
     register_high_BATs(env);
-    register_74xx_soft_tlb(env, 128, 2);
     init_excp_7450(env);
     env->dcache_line_size = 32;
     env->icache_line_size = 32;
@@ -6369,7 +6365,7 @@ POWERPC_FAMILY(7455)(ObjectClass *oc, void *data)
                        PPC_CACHE_DCBA | PPC_CACHE_DCBZ |
                        PPC_MEM_SYNC | PPC_MEM_EIEIO |
                        PPC_MEM_TLBIE | PPC_MEM_TLBSYNC |
-                       PPC_MEM_TLBIA | PPC_74xx_TLB |
+                       PPC_MEM_TLBIA |
                        PPC_SEGMENT | PPC_EXTERN |
                        PPC_ALTIVEC;
     pcc->msr_mask = (1ull << MSR_VR) |
@@ -6389,7 +6385,7 @@ POWERPC_FAMILY(7455)(ObjectClass *oc, void *data)
                     (1ull << MSR_PMM) |
                     (1ull << MSR_RI) |
                     (1ull << MSR_LE);
-    pcc->mmu_model = POWERPC_MMU_SOFT_74xx;
+    pcc->mmu_model = POWERPC_MMU_32B;
     pcc->excp_model = POWERPC_EXCP_74xx;
     pcc->bus_model = PPC_FLAGS_INPUT_6xx;
     pcc->bfd_mach = bfd_mach_ppc_7400;
@@ -6509,7 +6505,6 @@ static void init_proc_7457(CPUPPCState *env)
     /* Memory management */
     register_low_BATs(env);
     register_high_BATs(env);
-    register_74xx_soft_tlb(env, 128, 2);
     init_excp_7450(env);
     env->dcache_line_size = 32;
     env->icache_line_size = 32;
@@ -6533,7 +6528,7 @@ POWERPC_FAMILY(7457)(ObjectClass *oc, void *data)
                        PPC_CACHE_DCBA | PPC_CACHE_DCBZ |
                        PPC_MEM_SYNC | PPC_MEM_EIEIO |
                        PPC_MEM_TLBIE | PPC_MEM_TLBSYNC |
-                       PPC_MEM_TLBIA | PPC_74xx_TLB |
+                       PPC_MEM_TLBIA |
                        PPC_SEGMENT | PPC_EXTERN |
                        PPC_ALTIVEC;
     pcc->msr_mask = (1ull << MSR_VR) |
@@ -6553,7 +6548,7 @@ POWERPC_FAMILY(7457)(ObjectClass *oc, void *data)
                     (1ull << MSR_PMM) |
                     (1ull << MSR_RI) |
                     (1ull << MSR_LE);
-    pcc->mmu_model = POWERPC_MMU_SOFT_74xx;
+    pcc->mmu_model = POWERPC_MMU_32B;
     pcc->excp_model = POWERPC_EXCP_74xx;
     pcc->bus_model = PPC_FLAGS_INPUT_6xx;
     pcc->bfd_mach = bfd_mach_ppc_7400;