diff --git a/ml-proto/travis/build-test.sh b/ml-proto/travis/build-test.sh
index fddb9d4077..28d80f5de3 100755
--- a/ml-proto/travis/build-test.sh
+++ b/ml-proto/travis/build-test.sh
@@ -11,13 +11,7 @@ export PATH=$PWD/ocaml/install/bin:$PATH
 
 cd src
 
-make clean
-rm -f lexer.ml
-rm -f parser.ml
-rm -f parser.mli
-
 ocamlbuild -libs "bigarray, str" main.native
-make
 
 cd ..