diff --git a/libraries/AP_HAL_VRBRAIN/RCOutput.cpp b/libraries/AP_HAL_VRBRAIN/RCOutput.cpp
index 1b724a0961..b2b7897634 100644
--- a/libraries/AP_HAL_VRBRAIN/RCOutput.cpp
+++ b/libraries/AP_HAL_VRBRAIN/RCOutput.cpp
@@ -182,13 +182,6 @@ void VRBRAINRCOutput::write(uint8_t ch, uint16_t period_us)
     }
 }
 
-void VRBRAINRCOutput::write(uint8_t ch, uint16_t* period_us, uint8_t len)
-{
-    for (uint8_t i=0; i<len; i++) {
-        write(i, period_us[i]);
-    }
-}
-
 uint16_t VRBRAINRCOutput::read(uint8_t ch)
 {
     if (ch >= VRBRAIN_NUM_OUTPUT_CHANNELS) {
diff --git a/libraries/AP_HAL_VRBRAIN/RCOutput.h b/libraries/AP_HAL_VRBRAIN/RCOutput.h
index f054bff447..6aa21563b3 100644
--- a/libraries/AP_HAL_VRBRAIN/RCOutput.h
+++ b/libraries/AP_HAL_VRBRAIN/RCOutput.h
@@ -16,7 +16,6 @@ public:
     void     enable_ch(uint8_t ch);
     void     disable_ch(uint8_t ch);
     void     write(uint8_t ch, uint16_t period_us);
-    void     write(uint8_t ch, uint16_t* period_us, uint8_t len);
     uint16_t read(uint8_t ch);
     void     read(uint16_t* period_us, uint8_t len);
     void     set_safety_pwm(uint32_t chmask, uint16_t period_us);