diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 83f8981b62..35d868db19 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -801,10 +801,6 @@ typedef struct FeatureWordInfo {
         /* If type==MSR_FEATURE_WORD */
         struct {
             uint32_t index;
-            struct {   /*CPUID that enumerate this MSR*/
-                FeatureWord cpuid_class;
-                uint32_t    cpuid_flag;
-            } cpuid_dep;
         } msr;
     };
     uint32_t tcg_features; /* Feature flags supported by TCG */
@@ -1218,10 +1214,6 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
         },
         .msr = {
             .index = MSR_IA32_ARCH_CAPABILITIES,
-            .cpuid_dep = {
-                FEAT_7_0_EDX,
-                CPUID_7_0_EDX_ARCH_CAPABILITIES
-            }
         },
     },
     [FEAT_CORE_CAPABILITY] = {
@@ -1238,14 +1230,30 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
         },
         .msr = {
             .index = MSR_IA32_CORE_CAPABILITY,
-            .cpuid_dep = {
-                FEAT_7_0_EDX,
-                CPUID_7_0_EDX_CORE_CAPABILITY,
-            },
         },
     },
 };
 
+typedef struct FeatureMask {
+    FeatureWord index;
+    uint32_t mask;
+} FeatureMask;
+
+typedef struct FeatureDep {
+    FeatureMask from, to;
+} FeatureDep;
+
+static FeatureDep feature_dependencies[] = {
+    {
+        .from = { FEAT_7_0_EDX,             CPUID_7_0_EDX_ARCH_CAPABILITIES },
+        .to = { FEAT_ARCH_CAPABILITIES,     ~0u },
+    },
+    {
+        .from = { FEAT_7_0_EDX,             CPUID_7_0_EDX_CORE_CAPABILITY },
+        .to = { FEAT_CORE_CAPABILITY,       ~0u },
+    },
+};
+
 typedef struct X86RegisterInfo32 {
     /* Name of register */
     const char *name;
@@ -5063,9 +5071,26 @@ static void x86_cpu_expand_features(X86CPU *cpu, Error **errp)
 {
     CPUX86State *env = &cpu->env;
     FeatureWord w;
+    int i;
     GList *l;
     Error *local_err = NULL;
 
+    for (l = plus_features; l; l = l->next) {
+        const char *prop = l->data;
+        object_property_set_bool(OBJECT(cpu), true, prop, &local_err);
+        if (local_err) {
+            goto out;
+        }
+    }
+
+    for (l = minus_features; l; l = l->next) {
+        const char *prop = l->data;
+        object_property_set_bool(OBJECT(cpu), false, prop, &local_err);
+        if (local_err) {
+            goto out;
+        }
+    }
+
     /*TODO: Now cpu->max_features doesn't overwrite features
      * set using QOM properties, and we can convert
      * plus_features & minus_features to global properties
@@ -5083,19 +5108,18 @@ static void x86_cpu_expand_features(X86CPU *cpu, Error **errp)
         }
     }
 
-    for (l = plus_features; l; l = l->next) {
-        const char *prop = l->data;
-        object_property_set_bool(OBJECT(cpu), true, prop, &local_err);
-        if (local_err) {
-            goto out;
-        }
-    }
+    for (i = 0; i < ARRAY_SIZE(feature_dependencies); i++) {
+        FeatureDep *d = &feature_dependencies[i];
+        if (!(env->features[d->from.index] & d->from.mask)) {
+            uint32_t unavailable_features = env->features[d->to.index] & d->to.mask;
 
-    for (l = minus_features; l; l = l->next) {
-        const char *prop = l->data;
-        object_property_set_bool(OBJECT(cpu), false, prop, &local_err);
-        if (local_err) {
-            goto out;
+            /* Not an error unless the dependent feature was added explicitly.  */
+            mark_unavailable_features(cpu, d->to.index,
+                                      unavailable_features & env->user_features[d->to.index],
+                                      "This feature depends on other features that were not requested");
+
+            env->user_features[d->to.index] |= unavailable_features;
+            env->features[d->to.index] &= ~unavailable_features;
         }
     }