diff --git a/.gitignore b/.gitignore
index 49240b9b..c049d75f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,9 @@
 /mes
 /mes.h
 /environment.i
+/peg.test
+/syntax.test
+/paren.test
+/syntax-case.test
+?
+?.mes