diff --git a/libraries/AP_HAL_AVR/examples/ArduCopterLibs/ArduCopterLibs.pde b/libraries/AP_HAL_AVR/examples/ArduCopterLibs/ArduCopterLibs.pde
index 3af5bccfb5..d0215ff4de 100644
--- a/libraries/AP_HAL_AVR/examples/ArduCopterLibs/ArduCopterLibs.pde
+++ b/libraries/AP_HAL_AVR/examples/ArduCopterLibs/ArduCopterLibs.pde
@@ -61,45 +61,6 @@ void stream_loopback(AP_HAL::Stream* s, uint32_t time) {
     }
 }
 
-void stream_console_loopback(AP_HAL::Stream* s, AP_HAL::ConsoleDriver* c,
-        uint32_t time) {
-    uint32_t end = hal.scheduler->millis() + time;
-    for(;;) {
-        if (hal.scheduler->millis() >= end && time != 0) {
-            return;
-        }
-
-        /* Read the uart, write to the console backend. */
-        if (s->available() > 0) {
-            int b;
-            b = s->read();
-            if (-1 != b) {
-                uint8_t tmp[1];
-                tmp[0] = (uint8_t) b;
-                c->backend_write(tmp, 1);
-            }
-        }
-        /* Loop back the console upon itself. */
-        {
-            int b;
-            b = c->read();
-            if (-1 != b) {
-                c->write((uint8_t)b);
-            }
-
-        }
-   
-        /* Read the console backend, print to the uart. */
-        { 
-            uint8_t tmp[1];
-            int readback = c->backend_read(tmp, 1);
-            if (readback > 0) {
-                s->write(tmp[0]);
-            }
-
-        }
-    }
-}
 void setup(void)
 {
         //
@@ -114,11 +75,6 @@ void setup(void)
     hal.console->println_P(PSTR("progmem"));
     hal.console->printf("printf %d %u %#x %p %f %S\n", -1000, 1000, 1000, 1000, 1.2345, PSTR("progmem"));
     hal.console->printf_P(PSTR("printf_P %d %u %#x %p %f %S\n"), -1000, 1000, 1000, 1000, 1.2345, PSTR("progmem"));
-
-    hal.console->println("loopback for 10sec:");
-    stream_loopback(hal.console, 10000);
-    hal.console->println("loopback done");
-
     hal.console->println("done.");
     for(;;);
 
diff --git a/libraries/AP_HAL_AVR/examples/ArduPlaneLibs/ArduPlaneLibs.pde b/libraries/AP_HAL_AVR/examples/ArduPlaneLibs/ArduPlaneLibs.pde
index 51175b49fe..ca5d0eead2 100644
--- a/libraries/AP_HAL_AVR/examples/ArduPlaneLibs/ArduPlaneLibs.pde
+++ b/libraries/AP_HAL_AVR/examples/ArduPlaneLibs/ArduPlaneLibs.pde
@@ -41,61 +41,6 @@ const AP_HAL::HAL& hal = AP_HAL_AVR_APM1;
 #endif
 
 
-void stream_loopback(AP_HAL::Stream* s, uint32_t time) {
-    uint32_t end = hal.scheduler->millis() + time;
-    for(;;) {
-        if (hal.scheduler->millis() >= end && time != 0) {
-            return;
-        }
-        if (s->available() > 0) {
-            int c;
-            c = s->read();
-            if (-1 != c) {
-                s->write((uint8_t)c);
-            }
-        }
-    }
-}
-
-void stream_console_loopback(AP_HAL::Stream* s, AP_HAL::ConsoleDriver* c,
-        uint32_t time) {
-    uint32_t end = hal.scheduler->millis() + time;
-    for(;;) {
-        if (hal.scheduler->millis() >= end && time != 0) {
-            return;
-        }
-
-        /* Read the uart, write to the console backend. */
-        if (s->available() > 0) {
-            int b;
-            b = s->read();
-            if (-1 != b) {
-                uint8_t tmp[1];
-                tmp[0] = (uint8_t) b;
-                c->backend_write(tmp, 1);
-            }
-        }
-        /* Loop back the console upon itself. */
-        {
-            int b;
-            b = c->read();
-            if (-1 != b) {
-                c->write((uint8_t)b);
-            }
-
-        }
-   
-        /* Read the console backend, print to the uart. */
-        { 
-            uint8_t tmp[1];
-            int readback = c->backend_read(tmp, 1);
-            if (readback > 0) {
-                s->write(tmp[0]);
-            }
-
-        }
-    }
-}
 void setup(void)
 {
         //
@@ -111,10 +56,6 @@ void setup(void)
     hal.console->printf("printf %d %u %#x %p %f %S\n", -1000, 1000, 1000, 1000, 1.2345, PSTR("progmem"));
     hal.console->printf_P(PSTR("printf_P %d %u %#x %p %f %S\n"), -1000, 1000, 1000, 1000, 1.2345, PSTR("progmem"));
 
-    hal.console->println("loopback for 10sec:");
-    stream_loopback(hal.console, 10000);
-    hal.console->println("loopback done");
-
     for(;;);
 
 }
diff --git a/libraries/AP_HAL_AVR/examples/Console/Console.pde b/libraries/AP_HAL_AVR/examples/Console/Console.pde
index 3dabbc49de..42168ca0a5 100644
--- a/libraries/AP_HAL_AVR/examples/Console/Console.pde
+++ b/libraries/AP_HAL_AVR/examples/Console/Console.pde
@@ -20,61 +20,6 @@ const AP_HAL::HAL& hal = AP_HAL_AVR_APM2;
 const AP_HAL::HAL& hal = AP_HAL_AVR_APM1;
 #endif
 
-void stream_loopback(AP_HAL::Stream* s, uint32_t time) {
-    uint32_t end = hal.scheduler->millis() + time;
-    for(;;) {
-        if (hal.scheduler->millis() >= end && time != 0) {
-            return;
-        }
-        if (s->available() > 0) {
-            int c;
-            c = s->read();
-            if (-1 != c) {
-                s->write((uint8_t)c);
-            }
-        }
-    }
-}
-
-void stream_console_loopback(AP_HAL::Stream* s, AP_HAL::ConsoleDriver* c,
-        uint32_t time) {
-    uint32_t end = hal.scheduler->millis() + time;
-    for(;;) {
-        if (hal.scheduler->millis() >= end && time != 0) {
-            return;
-        }
-
-        /* Read the uart, write to the console backend. */
-        if (s->available() > 0) {
-            int b;
-            b = s->read();
-            if (-1 != b) {
-                uint8_t tmp[1];
-                tmp[0] = (uint8_t) b;
-                c->backend_write(tmp, 1);
-            }
-        }
-        /* Loop back the console upon itself. */
-        {
-            int b;
-            b = c->read();
-            if (-1 != b) {
-                c->write((uint8_t)b);
-            }
-
-        }
-   
-        /* Read the console backend, print to the uart. */
-        { 
-            uint8_t tmp[1];
-            int readback = c->backend_read(tmp, 1);
-            if (readback > 0) {
-                s->write(tmp[0]);
-            }
-
-        }
-    }
-}
 void setup(void)
 {
         //
@@ -90,10 +35,6 @@ void setup(void)
     hal.console->printf("printf %d %u %#x %p %f %S\n", -1000, 1000, 1000, 1000, 1.2345, PSTR("progmem"));
     hal.console->printf_P(PSTR("printf_P %d %u %#x %p %f %S\n"), -1000, 1000, 1000, 1000, 1.2345, PSTR("progmem"));
 
-    hal.console->println("loopback for 10sec:");
-    stream_loopback(hal.console, 10000);
-    hal.console->println("loopback done");
-
     for(;;);
 
 }
diff --git a/libraries/AP_HAL_FLYMAPLE/examples/Console/Console.pde b/libraries/AP_HAL_FLYMAPLE/examples/Console/Console.pde
index 9fe5b66f27..e2ac770575 100644
--- a/libraries/AP_HAL_FLYMAPLE/examples/Console/Console.pde
+++ b/libraries/AP_HAL_FLYMAPLE/examples/Console/Console.pde
@@ -17,62 +17,6 @@
 
 const AP_HAL::HAL& hal = AP_HAL_BOARD_DRIVER;
 
-void stream_loopback(AP_HAL::Stream* s, uint32_t time) {
-    uint32_t end = hal.scheduler->millis() + time;
-    for(;;) {
-        if (hal.scheduler->millis() >= end && time != 0) {
-            return;
-        }
-        if (s->available() > 0) {
-            int c;
-            c = s->read();
-            if (-1 != c) {
-                s->write((uint8_t)c);
-            }
-        }
-    }
-}
-
-void stream_console_loopback(AP_HAL::Stream* s, AP_HAL::ConsoleDriver* c,
-        uint32_t time) {
-    uint32_t end = hal.scheduler->millis() + time;
-    for(;;) {
-        if (hal.scheduler->millis() >= end && time != 0) {
-            return;
-        }
-
-        /* Read the uart, write to the console backend. */
-        if (s->available() > 0) {
-            int b;
-            b = s->read();
-            if (-1 != b) {
-                uint8_t tmp[1];
-                tmp[0] = (uint8_t) b;
-                c->backend_write(tmp, 1);
-            }
-        }
-
-        /* Loop back the console upon itself. */
-        {
-            int b;
-            b = c->read();
-            if (-1 != b) {
-                c->write((uint8_t)b);
-            }
-
-        }
-   
-        /* Read the console backend, print to the uart. */
-        { 
-            uint8_t tmp[1];
-            int readback = c->backend_read(tmp, 1);
-            if (readback > 0) {
-                s->write(tmp[0]);
-            }
-
-        }
-    }
-}
 void setup(void)
 {
     //