diff --git a/xwords4/android/XWords4-dbg/src/org/eehouse/android/xw4dbg/.gitignore b/xwords4/android/XWords4-dbg/src/org/eehouse/android/xw4dbg/.gitignore
index 4d046be4a..4a7f6fea4 100644
--- a/xwords4/android/XWords4-dbg/src/org/eehouse/android/xw4dbg/.gitignore
+++ b/xwords4/android/XWords4-dbg/src/org/eehouse/android/xw4dbg/.gitignore
@@ -135,3 +135,5 @@ Main.java
 nohup.out
 StudyListFrag.java
 XWFragment.java
+ConfirmingCheckBoxPreference.java
+RelayCheckBoxPreference.java