diff --git a/tools/perf/perf-sys.h b/tools/perf/perf-sys.h
index 2aaa7366cdc2..c11f0c76e90c 100644
--- a/tools/perf/perf-sys.h
+++ b/tools/perf/perf-sys.h
@@ -9,14 +9,6 @@
 #include <linux/perf_event.h>
 #include <asm/barrier.h>
 
-#if defined(__i386__)
-#define CPUINFO_PROC	{"model name"}
-#endif
-
-#if defined(__x86_64__)
-#define CPUINFO_PROC	{"model name"}
-#endif
-
 #ifdef __powerpc__
 #define CPUINFO_PROC	{"cpu"}
 #endif
@@ -41,17 +33,10 @@
 #define CPUINFO_PROC	{"cpu model"}
 #endif
 
-#ifdef __ia64__
-#define CPUINFO_PROC	{"model name"}
-#endif
-
 #ifdef __arm__
 #define CPUINFO_PROC	{"model name", "Processor"}
 #endif
 
-#ifdef __aarch64__
-#endif
-
 #ifdef __mips__
 #define CPUINFO_PROC	{"cpu model"}
 #endif
@@ -68,8 +53,8 @@
 #define CPUINFO_PROC	{"core ID"}
 #endif
 
-#ifdef __tile__
-#define CPUINFO_PROC    {"model name"}
+#ifndef CPUINFO_PROC
+#define CPUINFO_PROC	{ "model name", }
 #endif
 
 static inline int
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 28bf4442d577..605bbd5404fb 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -380,9 +380,6 @@ done:
 static int write_cpudesc(struct feat_fd *ff,
 		       struct perf_evlist *evlist __maybe_unused)
 {
-#ifndef CPUINFO_PROC
-#define CPUINFO_PROC {"model name", }
-#endif
 	const char *cpuinfo_procs[] = CPUINFO_PROC;
 	unsigned int i;