diff --git a/.gitignore b/.gitignore
index 6f4dc7a2..637b396c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,3 +25,5 @@ test_results.csv
 .waf-*/
 build/
 host/xmosdfu/xmosdfu
+.build*
+*.pyc
diff --git a/tests/.gitignore b/tests/.gitignore
new file mode 100644
index 00000000..f0bcfb69
--- /dev/null
+++ b/tests/.gitignore
@@ -0,0 +1 @@
+test_results.csv