diff --git a/.gitignore b/.gitignore
index ed351c5..606c743 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,4 @@ lib
 appointment_*.log
 ./build
 ./dist
+./contact_all.xlsx
diff --git a/contact_all.xlsx b/contact_all.xlsx
deleted file mode 100644
index 8bc9e2d..0000000
Binary files a/contact_all.xlsx and /dev/null differ