diff --git a/Source/Display.cpp b/Source/Display.cpp
index 993c5d9..6abf15f 100644
--- a/Source/Display.cpp
+++ b/Source/Display.cpp
@@ -30,7 +30,6 @@ namespace ElektronischeLast
     };
     LL_GPIO_Init(GPIOB, &init);
 
-    this->pin_input = false;
     this->set_backlight(true);
     this->current_state = StateDelay;
     this->next_state = StateInit01;
diff --git a/Source/Display.hpp b/Source/Display.hpp
index b2eb3f5..0b7c072 100644
--- a/Source/Display.hpp
+++ b/Source/Display.hpp
@@ -96,7 +96,6 @@ namespace ElektronischeLast
     private:
       State_t current_state;
       State_t next_state;
-      bool pin_input;
       std::uint32_t timer;
       bool timer_elapsed(void);
       void start_timer(std::uint32_t timeout);