diff --git a/lib/utils.cc b/lib/utils.cc
index 9f73f24..4d9c1a0 100644
--- a/lib/utils.cc
+++ b/lib/utils.cc
@@ -87,7 +87,7 @@ ofdm_param::ofdm_param(Encoding e) {
 }
 
 void
-ofdm_param::print_out() {
+ofdm_param::print() {
 	std::cout << "OFDM Parameters:" << std::endl;
 	std::cout << "endcoding :" << encoding << std::endl;
 	std::cout << "rate_field :" << (int)rate_field << std::endl;
@@ -112,7 +112,7 @@ tx_param::tx_param(ofdm_param &ofdm, int psdu_length) {
 	n_encoded_bits = n_sym * ofdm.n_cbps;
 }
 void
-tx_param::print_out() {
+tx_param::print() {
 	std::cout << "TX Parameters:" << std::endl;
 	std::cout << "psdu_size: " << psdu_size << std::endl;
 	std::cout << "n_sym: " << n_sym << std::endl;
diff --git a/lib/utils.h b/lib/utils.h
index ef1d2d0..a120e7d 100644
--- a/lib/utils.h
+++ b/lib/utils.h
@@ -53,7 +53,7 @@ public:
 	// number of data bits per OFDM symbol
 	int      n_dbps;
 
-	void print_out();
+	void print();
 };
 
 /**
@@ -72,7 +72,7 @@ public:
 	int n_pad;
 	int n_encoded_bits;
 
-	void print_out();
+	void print();
 };
 
 /**