diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 2330a8d902..9664e1bd96 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -1497,12 +1497,16 @@ static inline bool accel_uses_host_cpuid(void)
     return kvm_enabled() || hvf_enabled();
 }
 
+#ifndef XBOX
+
 static inline uint64_t x86_cpu_xsave_xcr0_components(X86CPU *cpu)
 {
     return ((uint64_t)cpu->env.features[FEAT_XSAVE_XCR0_HI]) << 32 |
            cpu->env.features[FEAT_XSAVE_XCR0_LO];
 }
 
+#endif
+
 /* Return name of 32-bit register, from a R_* constant */
 static const char *get_register_name_32(unsigned int reg)
 {
@@ -1512,12 +1516,16 @@ static const char *get_register_name_32(unsigned int reg)
     return x86_reg_info_32[reg].name;
 }
 
+#ifndef XBOX
+
 static inline uint64_t x86_cpu_xsave_xss_components(X86CPU *cpu)
 {
     return ((uint64_t)cpu->env.features[FEAT_XSAVE_XSS_HI]) << 32 |
            cpu->env.features[FEAT_XSAVE_XSS_LO];
 }
 
+#endif
+
 /*
  * Returns the set of feature flags that are supported and migratable by
  * QEMU, for a given FeatureWord.