diff --git a/src/cpu/cpu_ppc64.c b/src/cpu/cpu_ppc64.c
index c7caaa9608..314d2f7c86 100644
--- a/src/cpu/cpu_ppc64.c
+++ b/src/cpu/cpu_ppc64.c
@@ -379,32 +379,15 @@ ppc64LoadMap(void)
     return g_steal_pointer(&map);
 }
 
-static virCPUData *
-ppc64MakeCPUData(virArch arch,
-                 virCPUppc64Data *data)
-{
-    g_autoptr(virCPUData) cpuData = NULL;
-
-    cpuData = g_new0(virCPUData, 1);
-    cpuData->arch = arch;
-
-    if (ppc64DataCopy(&cpuData->data.ppc64, data) < 0)
-        return NULL;
-
-    return g_steal_pointer(&cpuData);
-}
-
 static virCPUCompareResult
 ppc64Compute(virCPUDef *host,
              const virCPUDef *other,
-             virCPUData **guestData,
              char **message)
 {
     g_autoptr(virCPUppc64Map) map = NULL;
     g_autoptr(virCPUppc64Model) host_model = NULL;
     g_autoptr(virCPUppc64Model) guest_model = NULL;
     g_autoptr(virCPUDef) cpu = NULL;
-    virArch arch;
     size_t i;
 
     /* Ensure existing configurations are handled correctly */
@@ -431,9 +414,6 @@ ppc64Compute(virCPUDef *host,
 
             return VIR_CPU_COMPARE_INCOMPATIBLE;
         }
-        arch = cpu->arch;
-    } else {
-        arch = host->arch;
     }
 
     if (cpu->vendor &&
@@ -506,10 +486,6 @@ ppc64Compute(virCPUDef *host,
         return VIR_CPU_COMPARE_INCOMPATIBLE;
     }
 
-    if (guestData)
-        if (!(*guestData = ppc64MakeCPUData(arch, &guest_model->data)))
-            return VIR_CPU_COMPARE_ERROR;
-
     return VIR_CPU_COMPARE_IDENTICAL;
 }
 
@@ -532,7 +508,7 @@ virCPUppc64Compare(virCPUDef *host,
         return VIR_CPU_COMPARE_INCOMPATIBLE;
     }
 
-    ret = ppc64Compute(host, cpu, NULL, &message);
+    ret = ppc64Compute(host, cpu, &message);
 
     if (failIncompatible && ret == VIR_CPU_COMPARE_INCOMPATIBLE) {
         ret = VIR_CPU_COMPARE_ERROR;