diff --git a/libraries/AP_Notify/Display.cpp b/libraries/AP_Notify/Display.cpp
index 4045f90cd1..207e990fee 100644
--- a/libraries/AP_Notify/Display.cpp
+++ b/libraries/AP_Notify/Display.cpp
@@ -324,9 +324,6 @@ bool Display::init(void)
         return true;
     }
 
-    _mstartpos = 0; // ticker shift position
-    _movedelay = 4; // ticker delay before shifting after new message displayed
-
     // initialise driver
     for(uint8_t i=0; i<8 && _driver == nullptr; i++) {
         if (! (I2C_BUS_PROBE_MASK & (1<<i))) {
diff --git a/libraries/AP_Notify/Display.h b/libraries/AP_Notify/Display.h
index 96614ee582..afa2c6a1af 100644
--- a/libraries/AP_Notify/Display.h
+++ b/libraries/AP_Notify/Display.h
@@ -34,8 +34,8 @@ private:
 
     bool _healthy;
 
-    uint8_t _mstartpos;
-    uint8_t _movedelay;
+    uint8_t _mstartpos; // ticker shift position
+    uint8_t _movedelay; // ticker delay before shifting after new message displayed
     uint8_t _screenpage;
 
     // stop showing text in display after this many millis: