diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index beff7c090d2..40389c0e38c 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -52,7 +52,7 @@ static int		exclude_other = 1;
 
 static char		callchain_default_opt[] = "fractal,0.5";
 
-struct symbol_conf	symbol_conf;
+static struct symbol_conf	symbol_conf;
 
 
 static size_t
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 3b212bb2e4d..296e809c253 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -80,7 +80,7 @@ static int			dump_symtab                     =      0;
 static bool			hide_kernel_symbols		=  false;
 static bool			hide_user_symbols		=  false;
 static struct winsize		winsize;
-struct symbol_conf		symbol_conf;
+static struct symbol_conf	symbol_conf;
 
 /*
  * Source