diff --git a/include/LCDDisplay.hpp b/include/LCDDisplay.hpp
index 5882c46..c891793 100644
--- a/include/LCDDisplay.hpp
+++ b/include/LCDDisplay.hpp
@@ -19,7 +19,6 @@ class LCDDisplay {
     void write(const uint8_t* cmdbuf, uint8_t len);
     void close();
 
-    void writeLines(std::array<std::string, 4> lines);             // do not use
     // we avoid using these, use buffer (even if these are faster for small writes, perhaps a rewrite is in order)
     void writeStr(std::string str);
     void writeStr(uint8_t row, uint8_t col, std::string str);