diff --git a/rbutil/mkamsboot/.gitignore b/rbutil/mkamsboot/.gitignore
new file mode 100644
index 0000000000..568b1d5a87
--- /dev/null
+++ b/rbutil/mkamsboot/.gitignore
@@ -0,0 +1,2 @@
+build/
+mkamsboot
diff --git a/rbutil/mkamsboot/dualboot/.gitignore b/rbutil/mkamsboot/dualboot/.gitignore
new file mode 100644
index 0000000000..a0ed5f4ee1
--- /dev/null
+++ b/rbutil/mkamsboot/dualboot/.gitignore
@@ -0,0 +1,3 @@
+*.arm-bin
+*.o
+bin2c