diff --git a/.gitignore b/.gitignore
index 2dcf45db7..ee3a6b563 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,6 +10,8 @@ bld/
 [Bb]in/
 [Oo]bj/
 
+*.v12.suo
+
 #performance reports & sessions
 *.vsp
 *.psess
diff --git a/Subsurface_Solution.v12.suo b/Subsurface_Solution.v12.suo
deleted file mode 100644
index fd7b05d75..000000000
Binary files a/Subsurface_Solution.v12.suo and /dev/null differ