diff --git a/performance/performance_create_protected.cpp b/performance/performance_create_protected.cpp
index 7eefd5c..050555e 100644
--- a/performance/performance_create_protected.cpp
+++ b/performance/performance_create_protected.cpp
@@ -85,12 +85,10 @@ int main( int argc, char * argv[])
         if ( bind) bind_to_processor( 0);
 
         duration_type overhead_c = overhead_clock();
-        std::cout << "overhead " << overhead_c.count() << " nano seconds" << std::endl;
         boost::uint64_t res = measure_time( overhead_c).count();
         std::cout << "average of " << res << " nano seconds" << std::endl;
 #ifdef BOOST_CONTEXT_CYCLE
         cycle_type overhead_y = overhead_cycle();
-        std::cout << "overhead " << overhead_y << " cpu cycles" << std::endl;
         res = measure_cycles( overhead_y);
         std::cout << "average of " << res << " cpu cycles" << std::endl;
 #endif
diff --git a/performance/performance_create_standard.cpp b/performance/performance_create_standard.cpp
index 89652b0..83f03e7 100644
--- a/performance/performance_create_standard.cpp
+++ b/performance/performance_create_standard.cpp
@@ -85,12 +85,10 @@ int main( int argc, char * argv[])
         if ( bind) bind_to_processor( 0);
 
         duration_type overhead_c = overhead_clock();
-        std::cout << "overhead " << overhead_c.count() << " nano seconds" << std::endl;
         boost::uint64_t res = measure_time( overhead_c).count();
         std::cout << "average of " << res << " nano seconds" << std::endl;
 #ifdef BOOST_CONTEXT_CYCLE
         cycle_type overhead_y = overhead_cycle();
-        std::cout << "overhead " << overhead_y << " cpu cycles" << std::endl;
         res = measure_cycles( overhead_y);
         std::cout << "average of " << res << " cpu cycles" << std::endl;
 #endif
diff --git a/performance/performance_switch.cpp b/performance/performance_switch.cpp
index e8be826..4de11cf 100644
--- a/performance/performance_switch.cpp
+++ b/performance/performance_switch.cpp
@@ -168,7 +168,6 @@ int main( int argc, char * argv[])
         if ( bind) bind_to_processor( 0);
 
         duration_type overhead_c = overhead_clock();
-        std::cout << "overhead " << overhead_c.count() << " nano seconds" << std::endl;
         boost::uint64_t res = measure_time_void( overhead_c).count();
         std::cout << "void: average of " << res << " nano seconds" << std::endl;
         res = measure_time_int( overhead_c).count();
@@ -177,7 +176,6 @@ int main( int argc, char * argv[])
         std::cout << "X: average of " << res << " nano seconds" << std::endl;
 #ifdef BOOST_CONTEXT_CYCLE
         cycle_type overhead_y = overhead_cycle();
-        std::cout << "overhead " << overhead_y << " cpu cycles" << std::endl;
         res = measure_cycles_void( overhead_y);
         std::cout << "void: average of " << res << " cpu cycles" << std::endl;
         res = measure_cycles_int( overhead_y);