diff --git a/.gitignore b/.gitignore
index 4d374472..7f67f6c5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,6 @@
 # A built binary. The lab writes one here when pointed at the repository root by mistake;
 # built artifacts belong in build/, which is already ignored.
 /mesh-builder
+/mesh-controller
+/postgres-provisioner
+/redis-provisioner
diff --git a/mesh-controller b/mesh-controller
deleted file mode 100755
index b8fa8cd1..00000000
Binary files a/mesh-controller and /dev/null differ
diff --git a/postgres-provisioner b/postgres-provisioner
deleted file mode 100755
index 99c7af14..00000000
Binary files a/postgres-provisioner and /dev/null differ
diff --git a/redis-provisioner b/redis-provisioner
deleted file mode 100755
index 96b9ea05..00000000
Binary files a/redis-provisioner and /dev/null differ