diff --git a/arch/i386/kernel/cpu/proc.c b/arch/i386/kernel/cpu/proc.c
index 47e3ebbfb28d..89d91e6cc972 100644
--- a/arch/i386/kernel/cpu/proc.c
+++ b/arch/i386/kernel/cpu/proc.c
@@ -72,8 +72,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 		"stc",
 		"100mhzsteps",
 		"hwpstate",
-		NULL,
-		NULL,	/* constant_tsc - moved to flags */
+		"",	/* constant_tsc - moved to flags */
 		/* nothing */
 	};
 	struct cpuinfo_x86 *c = v;
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index b9bdfc1b54f8..0a1d539149df 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -979,9 +979,8 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 		"stc",
 		"100mhzsteps",
 		"hwpstate",
-		NULL,	/* tsc invariant mapped to constant_tsc */
-		NULL,
-		/* nothing */	/* constant_tsc - moved to flags */
+		"",	/* tsc invariant mapped to constant_tsc */
+		/* nothing */
 	};