diff --git a/platform/mellanox/.gitignore b/platform/mellanox/.gitignore
new file mode 100644
index 000000000000..3c0769067437
--- /dev/null
+++ b/platform/mellanox/.gitignore
@@ -0,0 +1,10 @@
+# Subdirectories
+mlnx-sai/*
+!mlnx-sai/Makefile
+hw-management/*
+!hw-management/Makefile
+mft/*
+!mft/Makefile
+
+# Autogenerated Dockerfiles
+docker-syncd-mlnx/Dockerfile