diff --git a/dev-python/oslo-serialization/oslo-serialization-1.9.0.ebuild b/dev-python/oslo-serialization/oslo-serialization-1.9.0.ebuild
index 2f9665f31c8db..331065cad4b3a 100644
--- a/dev-python/oslo-serialization/oslo-serialization-1.9.0.ebuild
+++ b/dev-python/oslo-serialization/oslo-serialization-1.9.0.ebuild
@@ -53,7 +53,7 @@ RDEPEND="
 
 python_prepare_all() {
 	use doc && esetup.py build_sphinx
-	sed -i 's/python/python2\.7/g' tools/config/generate_sample.sh || die
+	sed -i '/^hacking/d' test-requirements.txt || die
 	distutils-r1_python_prepare_all
 }