Fix

src/graphics/Screen.cpp

@@ -1503,6 +1503,7 @@ int Screen::handleInputEvent(const InputEvent *event)
         menuHandler::handleMenuSwitch(dispdev);
         return 0;
     }
+    // UP/DOWN in message screen scrolls through message threads
     if (ui->getUiState()->currentFrame == framesetInfo.positions.textMessage) {
 
         if (event->inputEvent == INPUT_BROKER_UP) {

src/graphics/draw/MessageRenderer.cpp

@@ -653,7 +653,6 @@ void drawTextMessageFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16
             }
         }
     } else if (!manualScrolling) {
-        // Only reset when autoscroll is disabled AND user isn't manually scrolling
         scrollY = 0;
     }
 #else

src/graphics/draw/MessageRenderer.h

@@ -62,9 +62,6 @@ void clearMessageCache();
 void scrollUp();
 void scrollDown();
 
-// Determines if a line is a header line
-bool isHeader(const std::string &line);
-
 } // namespace MessageRenderer
 } // namespace graphics
 #endif