diff --git a/com.ibm.wala.core.testdata/.gitignore b/com.ibm.wala.core.testdata/.gitignore
new file mode 100644
index 000000000..598c83f99
--- /dev/null
+++ b/com.ibm.wala.core.testdata/.gitignore
@@ -0,0 +1 @@
+/kawa-chess/