diff --git a/.gitignore b/.gitignore
index 12a510753ad22d0f5d0e9da3a85dcea302fcc0ec..50d10749760617c3bfa827d744188a99bb06aae1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,6 @@
 /relast-compiler.jar
 /src/generated/
 /.gradle
+
+/.idea/
+*.iml
diff --git a/tests/valid/All.java b/tests/valid/All.java
index 37714237aed28f475c76d935a951a4f92993933d..80bddeaee6b683515fa37ed219273be48ca178a1 100644
--- a/tests/valid/All.java
+++ b/tests/valid/All.java
@@ -1,6 +1,7 @@
 import AST.*;
 import java.util.*;
 
+@SuppressWarnings("ArraysAsListWithZeroOrOneArgument")
 public class All extends AbstractTests {
 	private Root r;
 	private A a1;