diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index 14edd57a37..2bf37dd15e 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -267,12 +267,6 @@ typedef enum X86Seg {
 #define CR4_FRED_MASK   0
 #endif
 
-#ifdef TARGET_X86_64
-#define CR4_FRED_MASK   (1ULL << 32)
-#else
-#define CR4_FRED_MASK   0
-#endif
-
 #define CR4_RESERVED_MASK \
 (~(target_ulong)(CR4_VME_MASK | CR4_PVI_MASK | CR4_TSD_MASK \
                 | CR4_DE_MASK | CR4_PSE_MASK | CR4_PAE_MASK \