diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f06cdb5
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+cmake-build-debug/
+DIR-600/
+WNR1000/
+CMakeLists.txt
diff --git a/shutter.h b/shutter.h
index 0219d3e..8fbc4f9 100644
--- a/shutter.h
+++ b/shutter.h
@@ -5,8 +5,6 @@
 #ifndef _SHUTTER_H_
 #define _SHUTTER_H_
 
-#include <time.h>
-
 typedef char byte;
 
 typedef struct minitime {