diff --git a/.gitignore b/.gitignore
index b74f217..64e04e3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -31,7 +31,6 @@ bld/
 [Oo]bj/
 [Ll]og/
 [Ll]ogs/
-[Ss]ystem.md
 [Ss]ystem*.md
 
 # Visual Studio 2015/2017 cache/options directory